{"id":4010,"date":"2026-01-27T07:43:09","date_gmt":"2026-01-27T07:43:09","guid":{"rendered":"https:\/\/www.krlpower.com\/?post_type=product&p=4010"},"modified":"2026-03-30T12:27:54","modified_gmt":"2026-03-30T12:27:54","slug":"22-4v-28ah-underwater-surveying-robot-with-lithium-iron-phosphate-battery","status":"publish","type":"product","link":"https:\/\/www.krlpower.com\/ar\/battery\/22-4v-28ah-underwater-surveying-robot-with-lithium-iron-phosphate-battery\/","title":{"rendered":"\u0631\u0648\u0628\u0648\u062a \u0645\u0633\u062d \u062a\u062d\u062a \u0627\u0644\u0645\u0627\u0621 \u0628\u062c\u0647\u062f 22.4 \u0641\u0648\u0644\u062a \u0648\u0633\u0639\u0629 28 \u0623\u0645\u0628\u064a\u0631\/\u0633\u0627\u0639\u0629 \u0645\u0632\u0648\u062f \u0628\u0628\u0637\u0627\u0631\u064a\u0629 \u0644\u064a\u062b\u064a\u0648\u0645 \u0641\u0648\u0633\u0641\u0627\u062a \u0627\u0644\u062d\u062f\u064a\u062f"},"content":{"rendered":"
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Product Number: 08DQ0011-03
Cell model: 26650 \u2013 3500mAh \u2013 3.2V
Battery specification: 26650 \u2013 7S8P \u2013 28Ah \u2013 22.4V
Rated voltage: 22.4V
Rated capacity: 28Ah
Charging voltage: 25.2V
Charging current: \u2264 14A
Discharge current: 5.6A
Instantaneous discharge current: 20A
Discharge cut-off voltage: 17.5V
Internal resistance of the finished product: \u2264 200 m\u03a9
Battery weight: 5500g
Product dimensions: Height 240mm, Diameter 168mm
Charging temperature: 0 \u2013 45\u2103
Discharge temperature: -20 to 60 \u2103
Storage temperature: -20 to 35 \u2103
Battery housing: Sheet metal metal housing
Lithium battery protection: short circuit protection, overcharge protection, overdischarge protection, overtemperature protection, overcurrent protection, ESD protection, etc.
Application fields: Inspection robots, power monitoring robots, mapping robots and other robot-related fields<\/p>

Product features<\/p>

The sheet metal casing enhances the reliability and stability of the battery, and makes it easy to install, transport and carry.
Wire output terminal: It adopts a high-temperature-resistant wire output method to enhance electrical conductivity reliability and high-temperature resistance.
Data communication management: RS485 communication for precise data transmission and accurate temperature control, minimizing potential safety hazards to the greatest extent.<\/p>

The battery pack is safe, has excellent discharge performance and a long cycle life.
The battery pack has a long cycle life, which is in line with the value concepts of low carbon, energy conservation and environmental protection.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Engineered for Harsh Subsea Environments<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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    • Rugged Sheet Metal Housing:<\/b> Unlike standard plastic casings, this underwater robot battery is protected by a heavy-duty sheet metal housing. This design significantly enhances the structural reliability and stability of the battery, making it easy to install, transport, and highly resistant to deep-water pressure and impact.<\/p><\/li>

    • Intelligent RS485 BMS:<\/b> Data communication is crucial for underwater robotics. The built-in smart Battery Management System (BMS) features RS485 communication, allowing your robot’s main controller to achieve precise data transmission, accurate temperature control, and real-time battery health monitoring.<\/p><\/li>

    • High-Temperature Wire Output:<\/b> It adopts a specialized high-temperature-resistant wire output method, ensuring exceptional electrical conductivity and zero failure under continuous high-current discharge in complex environments.<\/p><\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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      Powering the Future of Intelligent Subsea Robotics<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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      This 22.4V 28Ah LiFePO4 battery pack offers excellent discharge performance and a long cycle life, aligning with low-carbon and environmental protection concepts. It is the ultimate power source for:<\/p>

      • Underwater Surveying and Mapping Robots<\/p><\/li>

      • Subsea Inspection ROVs\u00a0<\/p><\/li>

      • Power Grid Monitoring Robots\u00a0<\/p><\/li>

      • Industrial Pipeline Crawlers\u00a0<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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        Custom Underwater Battery Packs to Fit Your ROV<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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        Every underwater vehicle has unique spatial and power requirements. As a direct battery manufacturer, KRL Power offers complete engineering support from prototype to mass production. Whether you need a different cell configuration (18650, 21700, or prismatic), customized waterproof IP ratings, specific housing dimensions, or advanced CAN Bus\/SMBus communication protocols, our R&D team will design the perfect solution for your project.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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        Frequently Asked Questions (FAQ)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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        Can the sheet metal housing be customized for specific waterproof depths? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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        Yes, we can upgrade the housing materials and sealing technologies (such as potting or specialized O-rings) to meet your specific IP rating and depth pressure requirements for deep-sea surveying.<\/p>\t\t\t\t\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

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        Does this battery support series or parallel connections? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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        The standard RS485 BMS is designed for standalone use. However, if your robotic application requires higher voltage or capacity, our engineering team can customize the BMS to safely support series or parallel configurations.<\/p>\t\t\t\t\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

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        What is the lead time for a custom underwater robot battery prototype? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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        For standard modifications based on this 22.4V 28Ah design, prototypes typically take 2-3 weeks. For completely new designs requiring custom metal fabrication and BMS programming, please contact us for a detailed engineering timeline.<\/p>\t\t\t\t\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":"

        Lithium iron phosphate batteries suitable for intelligent robots<\/p>\n

        Product Number: 08DQ0011-03
        \nRated voltage: 22.4V
        \nRated capacity: 28000mAh
        \nBattery size: 240*\u03c6168mm
        \nCharging temperature: 0 \u2013 45\u2103
        \nDischarge temperature: -20 to 60 degrees Celsius
        \nApplication field: Surveying and mapping<\/p>","protected":false},"featured_media":6826,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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iron phosphate batteries suitable for intelligent robots Product Number: 08DQ0011-03 Rated voltage: 22.4V Rated capacity: 28000mAh Battery size: 240*\u03c6168mm Charging temperature: 0 \u2013 45\u2103 Discharge temperature: -20 to 60 degrees Celsius Application field: Surveying and 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