{"id":11987,"date":"2026-08-04T05:47:10","date_gmt":"2026-08-04T05:47:10","guid":{"rendered":"https:\/\/www.krlpower.com\/?p=11987"},"modified":"2026-08-04T14:34:56","modified_gmt":"2026-08-04T14:34:56","slug":"bess-factory-acceptance-test-checklist-for-epc-buyers","status":"publish","type":"post","link":"https:\/\/www.krlpower.com\/ar\/bess\/bess-factory-acceptance-test-checklist-for-epc-buyers\/","title":{"rendered":"BESS Factory Acceptance Test Checklist for EPC Buyers"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"11987\" class=\"elementor elementor-11987\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7664b897 auto-p elementor-widget elementor-widget-heading\" data-id=\"7664b897\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">KRL Power supports commercial &amp; industrial energy-storage projects where a shipment should be released only after the supplied system is traceable to the contracted design. From a 10-year C&amp;I energy-storage perspective, a BESS factory acceptance test is not a factory tour or a generic demonstration. It is the EPC buyer&rsquo;s last controlled opportunity to verify the exact equipment, evidence, protection logic, interfaces, and open issues before ocean freight, site installation, and commissioning make correction slower and more expensive.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60084879 auto-image elementor-widget elementor-widget-image\" data-id=\"60084879\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Test-Hero-1024x576.jpg\" class=\"attachment-large size-large wp-image-11984\" alt=\"KRL-branded commercial battery energy storage cabinet undergoing a factory acceptance inspection.\" srcset=\"https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Test-Hero-1024x576.jpg 1024w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Test-Hero-300x169.jpg 300w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Test-Hero-768x432.jpg 768w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Test-Hero-1536x864.jpg 1536w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Test-Hero-600x338.jpg 600w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Test-Hero.jpg 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"\/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f260e913 auto-p elementor-widget elementor-widget-heading\" data-id=\"f260e913\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">For an EPC team, the objective is simple: leave the factory with an acceptance record that proves what was inspected, what passed, which evidence remains outstanding, and who owns every remaining action. That record should match the purchase order, approved submittals, single-line diagram, bill-of-material boundary, communication architecture, and project-specific test plan. It should not rely on photographs of a similar cabinet or a verbal assurance that the production unit is equivalent.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c5410cc auto-list elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"0c5410cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Confirm the exact serial numbers and model numbers before any functional test begins.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Agree pass, fail, witness, and re-test rules before the FAT date.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Record actual observations, measured values, software versions, and exceptions.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Release equipment only after the agreed closure path is documented.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Keep FAT evidence separate from later site acceptance and grid-commissioning obligations.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-068ab47e elementor-align-center auto-cta elementor-widget elementor-widget-button\" data-id=\"068ab47e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6Ijc5MSIsInRvZ2dsZSI6ZmFsc2V9\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Request a KRL BESS FAT Checklist<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ccc2824 auto-h2 elementor-widget elementor-widget-heading\" data-id=\"5ccc2824\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAT Scope and Contract Boundary<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c7c68b1 auto-p elementor-widget elementor-widget-heading\" data-id=\"5c7c68b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">The most costly FAT failures usually begin before the first test. The buyer arrives with a broad idea of the system; the factory demonstrates what is available; neither party compares the final production configuration against a controlled acceptance schedule. Avoid that gap by attaching the FAT plan to the contract or approved technical submittal. The plan should name the equipment boundary, test sequence, instruments, document set, acceptance criteria, witness rights, deviation process, and release authority.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8b06fac auto-table elementor-widget elementor-widget-text-editor\" data-id=\"a8b06fac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"cea-table-wrap\"><table><thead><tr><th>FAT boundary<\/th><th>EPC buyer should verify<\/th><th>Evidence to retain<\/th><\/tr><\/thead><tbody><tr><td>Equipment identity<\/td><td>Model, serial number, quantity, configured options, and approved substitutions<\/td><td>Photographs, nameplate register, packing list, and signed configuration sheet<\/td><\/tr><tr><td>Electrical architecture<\/td><td>Battery, PCS, protection, auxiliary supply, emergency stop, grounding, and interface boundary<\/td><td>Approved SLD, wiring records, settings list, and test record<\/td><\/tr><tr><td>Controls and communications<\/td><td>BMS, EMS, PCS, SCADA or gateway interface, alarms, user roles, and protocol boundary<\/td><td>Software-version register, point list, screenshots, and communication test result<\/td><\/tr><tr><td>Project documents<\/td><td>Datasheet applicability, certificates, manuals, shipping documents, and warranty boundary<\/td><td>Document index with revision, model applicability, and unresolved items<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0effc12e auto-p elementor-widget elementor-widget-heading\" data-id=\"0effc12e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">KRL&rsquo;s public C&amp;I portfolio includes cabinet and container configurations with different power, energy, cooling, protection, and parallel-operation boundaries. A buyer may use published pages as a starting point, including <strong><a href=\"https:\/\/www.krlpower.com\/ar\/%d8%a7%d9%84%d8%a8%d8%b7%d8%a7%d8%b1%d9%8a%d8%a7%d8%aa\/ci-energy-storage-system\/\" target=\"_blank\" style=\"color:#046bd2\">KRL commercial &amp; industrial energy-storage solutions<\/a><\/strong>, but a published family description is not FAT proof. The FAT record must identify the actual quoted configuration, including the final interfaces and project options.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b1c2000 auto-h2 elementor-widget elementor-widget-heading\" data-id=\"2b1c2000\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pre-FAT Document Package<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f488d834 auto-p elementor-widget elementor-widget-heading\" data-id=\"f488d834\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Ask for the document package early enough to review it before travel or remote witnessing. The purpose is not to collect the largest possible folder. It is to identify the documents that control design, quality, safety, shipment, and handover. If a document is still preliminary, mark it as preliminary and state the required final revision date.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78e769d4 auto-list elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"78e769d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Approved technical specification, purchase-order scope, and deviation log<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Model-specific datasheet, nameplate information, BOM boundary, and single-line diagram<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Battery, PCS, BMS, EMS, fire-protection, cooling, and auxiliary-system interface descriptions<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Certificate copies with the applicable model, configuration, and destination-market boundary identified<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Factory test procedure, calibrated-instrument list, test forms, and pass\/fail criteria<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Packing method, lifting information, dangerous-goods documents, transport responsibility, and preservation instructions<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Commissioning plan, site acceptance boundary, warranty process, and technical-escalation contacts<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ce27f9c0 auto-p elementor-widget elementor-widget-heading\" data-id=\"ce27f9c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Treat certificate claims carefully. A certificate that names a different model, a different enclosure, or a cell-only sample cannot automatically validate the complete delivered system. The same principle applies to public performance statements. KRL pages describe functions such as BMS, PCS, EMS, cooling, fire protection, and generator interfaces in different solution contexts; the relevant question is whether the exact system configuration and project document set include them. For component roles, use <strong><a href=\"https:\/\/www.krlpower.com\/ar\/bess\/ci-energy-storage-bms-pcs-ems-krl-power\/\" target=\"_blank\" style=\"color:#046bd2\">KRL&#x2019;s BMS, PCS, and EMS overview<\/a><\/strong> as background, then request the project-specific interface map.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65b31f2a auto-image elementor-widget elementor-widget-image\" data-id=\"65b31f2a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"520\" src=\"https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Document-Review-1024x520.jpg\" class=\"attachment-large size-large wp-image-11986\" alt=\"EPC and factory engineers reviewing BESS FAT documents beside a KRL-branded battery energy storage cabinet.\" srcset=\"https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Document-Review-1024x520.jpg 1024w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Document-Review-300x152.jpg 300w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Document-Review-768x390.jpg 768w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Document-Review-1536x780.jpg 1536w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Document-Review-600x305.jpg 600w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Document-Review.jpg 1760w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"\/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d5b9a8f auto-h2 elementor-widget elementor-widget-heading\" data-id=\"0d5b9a8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Production Identity and Build Quality<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f0a39ca auto-p elementor-widget elementor-widget-heading\" data-id=\"5f0a39ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">A sound FAT begins with identity, then moves to workmanship. The buyer should be able to connect the cabinet in the test bay to the shipment list, final BOM boundary, and contractual configuration. This is especially important where a system combines battery modules, PCS, PV inputs, liquid or air cooling, fire equipment, an EMS, and a generator interface. A successful power-on demonstration does not replace this traceability check.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a848c97 auto-list elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"5a848c97\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Match cabinet, battery-rack, PCS, and controller serial numbers to the acceptance register.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Check enclosure condition, labels, cable routing, terminations, grounding, access panels, seals, and service clearances.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Verify that installed options match the approved BOM and that substitutions are listed in writing.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Confirm cooling, fire-protection, and auxiliary-equipment interfaces against the approved drawings.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Record missing labels, workmanship defects, shipping-protection gaps, and incomplete covers as punch-list items.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-94623b87 auto-p elementor-widget elementor-widget-heading\" data-id=\"94623b87\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">When selecting the sample depth, use project risk rather than a convenient demonstration. A single cabinet may be sufficient for a repeatable batch only if the contract defines the production-control basis and traceability. For a first-of-kind integration, custom EMS interface, or critical-load project, the buyer may require a more detailed witness scope. EPC teams evaluating cabinet architecture can also review <strong><a href=\"https:\/\/www.krlpower.com\/ar\/bess\/100kw-energy-storage-inverter\/\" target=\"_blank\" style=\"color:#046bd2\">KRL&#x2019;s energy-storage inverter guide<\/a><\/strong>, while keeping the FAT acceptance criteria tied to the contracted inverter model.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db3fd38b auto-h2 elementor-widget elementor-widget-heading\" data-id=\"db3fd38b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Electrical Protection and Functional Tests<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3191443f auto-p elementor-widget elementor-widget-heading\" data-id=\"3191443f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Functional testing should prove the agreed control sequence, not merely show that a screen turns on. The test procedure must define preconditions, expected response, measured result, and restoration method for each sequence. Site grid studies, final utility permission, and full-load site performance may remain SAT responsibilities; record that boundary instead of trying to simulate every site condition in a factory bay.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ca163d7 auto-table elementor-widget elementor-widget-text-editor\" data-id=\"7ca163d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"cea-table-wrap\"><table><thead><tr><th>Test area<\/th><th>FAT acceptance focus<\/th><th>Release decision<\/th><\/tr><\/thead><tbody><tr><td>Power-up and shutdown<\/td><td>Defined start-up, normal stop, emergency stop, alarm reset, and safe recovery sequence<\/td><td>All required states respond as specified and are recorded<\/td><\/tr><tr><td>Protection chain<\/td><td>Configured alarms, trips, interlocks, communication-loss behavior, and emergency-stop boundary<\/td><td>Each witnessed function has a pass\/fail record and unresolved functions are blocked from release<\/td><\/tr><tr><td>Battery and PCS control<\/td><td>Status exchange, enable logic, operating limits, and fault indication at the agreed interface<\/td><td>Evidence identifies software version and tested configuration<\/td><\/tr><tr><td>Communications<\/td><td>Required BMS\/PCS\/EMS or SCADA points, timestamps, command authority, and alarm visibility<\/td><td>Point list is witnessed or a documented remote\/SAT closure route exists<\/td><\/tr><tr><td>Auxiliaries<\/td><td>Cooling, fire-system interface, heaters or HVAC if included, and auxiliary-power alarm response<\/td><td>Contract boundary and observed response are clear<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30188ef1 auto-image elementor-widget elementor-widget-image\" data-id=\"30188ef1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"520\" src=\"https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Electrical-Inspection-1024x520.jpg\" class=\"attachment-large size-large wp-image-11985\" alt=\"Technician performing an electrical inspection on an open KRL-branded commercial battery energy storage cabinet.\" srcset=\"https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Electrical-Inspection-1024x520.jpg 1024w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Electrical-Inspection-300x152.jpg 300w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Electrical-Inspection-768x390.jpg 768w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Electrical-Inspection-1536x779.jpg 1536w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Electrical-Inspection-600x304.jpg 600w, https:\/\/www.krlpower.com\/wp-content\/uploads\/2026\/08\/KRL-BESS-Factory-Acceptance-Electrical-Inspection.jpg 1760w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"\/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e95a7246 auto-p elementor-widget elementor-widget-heading\" data-id=\"e95a7246\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Do not convert broad claims into acceptance criteria. For example, an online statement about fast switching, efficiency, or system safety can help identify a question, but the FAT should state the approved configuration, method, conditions, instrument, and acceptance limit. For a safety-architecture discussion that must be followed by model-specific evidence, see <strong><a href=\"https:\/\/www.krlpower.com\/ar\/bess\/solid-state-battery-energy-storage-safety-solution\/\" target=\"_blank\" style=\"color:#046bd2\">KRL&#x2019;s battery-safety overview<\/a><\/strong>.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb55b199 elementor-align-center auto-cta elementor-widget elementor-widget-button\" data-id=\"fb55b199\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6Ijc5MSIsInRvZ2dsZSI6ZmFsc2V9\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Request a Project-Specific FAT Plan<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b262ca0e auto-h2 elementor-widget elementor-widget-heading\" data-id=\"b262ca0e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAT Records and Shipment Release<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41a5453f auto-p elementor-widget elementor-widget-heading\" data-id=\"41a5453f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">An EPC buyer should not finish the FAT with a verbal conclusion. The release file should make a future audit possible without relying on the people who attended the test. It should include the approved procedure, the final configuration register, completed test forms, instrument traceability, photographs where useful, open-item log, deviation approvals, and signatures or electronic approvals from the authorized parties.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-121cf3c0 auto-list elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"121cf3c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Class A: shipment blocker&#x2014;an item that affects safety, contracted function, identity, documentation, or required certification.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Class B: controlled pre-shipment closure&#x2014;an item that can close before packing when evidence and owner are defined.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Class C: site-stage item&#x2014;an item explicitly moved to SAT or commissioning with a test method, owner, date, and commercial boundary.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">No category: a verbal promise&#x2014;do not treat it as closed until it is entered into the signed action register.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32f2b361 auto-p elementor-widget elementor-widget-heading\" data-id=\"32f2b361\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">This classification protects both sides. It prevents the EPC buyer from withholding shipment over a site-only test, and it prevents the supplier from shipping a known factory nonconformity without an agreed remedy. The same discipline applies to delivery documentation. If the project includes overseas logistics, packaging and transport responsibility must be named rather than assumed. KRL&rsquo;s experience in global C&amp;I projects is relevant context in <strong><a href=\"https:\/\/www.krlpower.com\/ar\/bess\/why-global-businesses-choose-krl-power-ci-energy-storage-systems\/\" target=\"_blank\" style=\"color:#046bd2\">why global businesses choose KRL Power C&amp;I systems<\/a><\/strong>, but each order still needs its own shipment and acceptance record.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd3a0562 auto-h2 elementor-widget elementor-widget-heading\" data-id=\"cd3a0562\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAT and Site Acceptance Responsibilities<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bb39269 auto-p elementor-widget elementor-widget-heading\" data-id=\"1bb39269\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">FAT and SAT serve different purposes. FAT validates the manufactured configuration and agreed factory-test sequences. SAT confirms the installed system, local wiring, site safety arrangements, grid or generator behavior, communications, and actual operating environment. The most reliable projects define both before the factory test, so a factory limitation is not misread as a product failure and a site issue is not deferred indefinitely.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c2046ea auto-table elementor-widget elementor-widget-text-editor\" data-id=\"9c2046ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"cea-table-wrap\"><table><thead><tr><th>Typically verified at FAT<\/th><th>Typically verified at SAT<\/th><th>Boundary to document<\/th><\/tr><\/thead><tbody><tr><td>Production identity, controlled build, cabinet functions, local alarms, internal communications, and agreed simulated sequences<\/td><td>Site cabling, grounding, civil interfaces, utility requirements, generator behavior, SCADA integration, and actual load operation<\/td><td>Which party supplies test equipment, simulators, permits, personnel, and final acceptance sign-off<\/td><\/tr><tr><td>Factory records, shipment readiness, preservation, and packing evidence<\/td><td>Installation quality, energization, performance under site conditions, and handover training<\/td><td>Warranty start point, defect-notification route, and closure evidence<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93db3658 auto-p elementor-widget elementor-widget-heading\" data-id=\"93db3658\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">For projects that combine solar, storage, diesel, or critical loads, the SAT plan should also define operating modes and command priority. These interfaces are often more important than a generic capacity comparison. Relevant application context appears in <strong><a href=\"https:\/\/www.krlpower.com\/ar\/bess\/nigeria-industrial-off-grid-energy-storage-diesel-hybrid-ess-solution\/\" target=\"_blank\" style=\"color:#046bd2\">KRL&#x2019;s industrial diesel-hybrid microgrid case<\/a><\/strong> and <strong><a href=\"https:\/\/www.krlpower.com\/ar\/bess\/nigeria-ev-charging-station-energy-storage-solution-261kwh-ci-ess\/\" target=\"_blank\" style=\"color:#046bd2\">KRL&#x2019;s EV-charging energy-storage case<\/a><\/strong>. Use cases are not substitutes for the acceptance schedule; they help EPC teams identify interfaces that need a project-level test.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef36d78b auto-h2 elementor-widget elementor-widget-heading\" data-id=\"ef36d78b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Procurement Decision Before Shipment<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a5b6530b auto-p elementor-widget elementor-widget-heading\" data-id=\"a5b6530b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">A BESS FAT earns its value when it converts uncertainty into a controlled decision. The buyer is not looking for a flawless presentation. The buyer is looking for a traceable record that shows the exact system, confirms the agreed tests, identifies remaining risk, and assigns every action to a named owner. That evidence protects the EPC contractor, the owner, the supplier, and the commissioning team.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-712e6716 auto-list elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"712e6716\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Release the shipment when all shipment blockers pass and all remaining actions have documented owners and dates.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Hold the shipment when configuration identity, safety function, required document applicability, or contractual test evidence remains unresolved.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Move only defined site-stage items to SAT, with an agreed test method and commercial boundary.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Request KRL technical clarification when the final quotation, SLD, product configuration, and FAT evidence do not align.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66a4f816 auto-p elementor-widget elementor-widget-heading\" data-id=\"66a4f816\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">The buyer&#x2019;s leverage is greatest before shipment, but the process should remain factual and fair. Use the same FAT template for every qualified supplier, require evidence that applies to the actual project, and score the response against the approved acceptance schedule. For wider project-design context, review <strong><a href=\"https:\/\/www.krlpower.com\/ar\/bess\/how-to-design-commercial-energy-storage-system\/\" target=\"_blank\" style=\"color:#046bd2\">KRL&#x2019;s commercial energy-storage design guide<\/a><\/strong> and <strong><a href=\"https:\/\/www.krlpower.com\/ar\/bess\/how-to-choose-commercial-energy-storage-system\/\" target=\"_blank\" style=\"color:#046bd2\">KRL&rsquo;s C&amp;I system-selection guide<\/a><\/strong>.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fea7612d elementor-align-center auto-cta elementor-widget elementor-widget-button\" data-id=\"fea7612d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6Ijc5MSIsInRvZ2dsZSI6ZmFsc2V9\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Discuss Your EPC Acceptance Requirements<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b99af4fa e-con-full auto-faq e-flex e-con e-child\" data-id=\"b99af4fa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b63d5dd2 elementor-widget elementor-widget-heading\" data-id=\"b63d5dd2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0d4ab2f elementor-widget elementor-widget-n-accordion\" data-id=\"c0d4ab2f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings='{\"default_state\":\"all_collapsed\",\"max_items_expended\":\"one\",\"n_accordion_animation_duration\":{\"unit\":\"ms\",\"size\":400,\"sizes\":[]}}' data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"\u0627\u0644\u0623\u0643\u0648\u0631\u062f\u064a\u0648\u0646. \u0627\u0641\u062a\u062d \u0627\u0644\u0631\u0648\u0627\u0628\u0637 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0641\u062a\u0627\u062d \u00abEnter\u00bb \u0623\u0648 \u0645\u0641\u062a\u0627\u062d \u0627\u0644\u0645\u0633\u0627\u0641\u0629\u060c \u0648\u0623\u063a\u0644\u0642\u0647\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0641\u062a\u0627\u062d \u00abEscape\u00bb\u060c \u0648\u062a\u0646\u0642\u0644 \u0628\u064a\u0646\u0647\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0641\u0627\u062a\u064a\u062d \u0627\u0644\u0623\u0633\u0647\u0645\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-3230\" class=\"e-n-accordion-item\">\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-3230\">\n\t\t\t\t\t<span class=\"e-n-accordion-item-title-header\"><div class=\"e-n-accordion-item-title-text\"> What is a BESS factory acceptance test? <\/div><\/span>\n\t\t\t\t\t\t\t<span class=\"e-n-accordion-item-title-icon\">\n\t\t\t<span class=\"e-opened\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class=\"e-closed\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-3230\" class=\"elementor-element elementor-element-ef7c0104 e-con-full e-flex e-con e-child\" data-id=\"ef7c0104\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5e581cb6 elementor-widget elementor-widget-heading\" data-id=\"5e581cb6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">A BESS factory acceptance test is a controlled pre-shipment inspection and functional-test process. It verifies the agreed production configuration, selected functions, records, exceptions, and shipment-release conditions against an approved plan.<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-3231\" class=\"e-n-accordion-item\">\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-3231\">\n\t\t\t\t\t<span class=\"e-n-accordion-item-title-header\"><div class=\"e-n-accordion-item-title-text\"> What documents should an EPC buyer request before BESS FAT? <\/div><\/span>\n\t\t\t\t\t\t\t<span class=\"e-n-accordion-item-title-icon\">\n\t\t\t<span class=\"e-opened\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class=\"e-closed\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-3231\" class=\"elementor-element elementor-element-dd0c261f e-con-full e-flex e-con e-child\" data-id=\"dd0c261f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6f8f9cd0 elementor-widget elementor-widget-heading\" data-id=\"6f8f9cd0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Request the approved specification, model-specific datasheet, SLD, BOM boundary, interface information, certificate applicability, FAT procedure, calibration records, packing documents, open-item log, commissioning boundary, and warranty process.<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-3232\" class=\"e-n-accordion-item\">\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-3232\">\n\t\t\t\t\t<span class=\"e-n-accordion-item-title-header\"><div class=\"e-n-accordion-item-title-text\"> Can a BESS pass FAT if all site tests are not complete? <\/div><\/span>\n\t\t\t\t\t\t\t<span class=\"e-n-accordion-item-title-icon\">\n\t\t\t<span class=\"e-opened\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class=\"e-closed\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-3232\" class=\"elementor-element elementor-element-896cf7f8 e-con-full e-flex e-con e-child\" data-id=\"896cf7f8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e35cc6d elementor-widget elementor-widget-heading\" data-id=\"2e35cc6d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Yes, if the acceptance plan clearly separates factory tests from SAT. Site-only functions need a documented SAT method, owner, date, and release boundary; factory shipment blockers should not be deferred without formal approval.<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-3233\" class=\"e-n-accordion-item\">\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-3233\">\n\t\t\t\t\t<span class=\"e-n-accordion-item-title-header\"><div class=\"e-n-accordion-item-title-text\"> Should public product claims be used as FAT acceptance criteria? <\/div><\/span>\n\t\t\t\t\t\t\t<span class=\"e-n-accordion-item-title-icon\">\n\t\t\t<span class=\"e-opened\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class=\"e-closed\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-3233\" class=\"elementor-element elementor-element-fc66c820 e-con-full e-flex e-con e-child\" data-id=\"fc66c820\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-56c56594 elementor-widget elementor-widget-heading\" data-id=\"56c56594\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">No. Public claims may identify questions, but FAT criteria should be based on the contracted configuration, approved method, conditions, instruments, and pass\/fail limits.<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-3234\" class=\"e-n-accordion-item\">\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-3234\">\n\t\t\t\t\t<span class=\"e-n-accordion-item-title-header\"><div class=\"e-n-accordion-item-title-text\"> What should block BESS shipment after FAT? <\/div><\/span>\n\t\t\t\t\t\t\t<span class=\"e-n-accordion-item-title-icon\">\n\t\t\t<span class=\"e-opened\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class=\"e-closed\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-3234\" class=\"elementor-element elementor-element-19e99ece e-con-full e-flex e-con e-child\" data-id=\"19e99ece\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0743a75d elementor-widget elementor-widget-heading\" data-id=\"0743a75d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Examples include unresolved equipment identity, an unproven required protection function, missing applicable project documentation, unapproved deviations, or a failed contractual test with no signed closure plan.<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-3235\" class=\"e-n-accordion-item\">\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-3235\">\n\t\t\t\t\t<span class=\"e-n-accordion-item-title-header\"><div class=\"e-n-accordion-item-title-text\"> Does FAT replace site acceptance testing? <\/div><\/span>\n\t\t\t\t\t\t\t<span class=\"e-n-accordion-item-title-icon\">\n\t\t\t<span class=\"e-opened\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class=\"e-closed\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-3235\" class=\"elementor-element elementor-element-56a39953 e-con-full e-flex e-con e-child\" data-id=\"56a39953\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d94cc8d5 elementor-widget elementor-widget-heading\" data-id=\"d94cc8d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">No. FAT checks the manufactured system and agreed factory sequences. SAT confirms installed performance, site wiring, local interfaces, operating environment, and the project&#x2019;s final acceptance requirements.<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>A practical factory acceptance test checklist for EPC buyers of commercial and industrial battery energy storage systems. Verify the exact configuration, records, protections, and release conditions before 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