41AQ586(3S3P iiseli zeLi-ion 18650)
The 41AQ586 is well-suited for low-temperature applications, as it can operate at temperatures as low as -20°C. A key note: for low-temperature use cases, we strongly recommend conducting tests within your specific application to confirm it meets performance needs. Additionally, with an 8A discharge capability, this battery works perfectly as a compact “hot-swap” battery, keeping the device running for a brief period while the main battery is being charged.
Length X Width X Height (Inches):
8.5″ X 3.1″ X 0.9″
Length X Width X Height (mm):
215.9mm X 78.7mm X 22.86mm
Energy (Wh):
91
Shape:
Rectangular
Chemistry / Cell Array:
9 Li-ion 18650 cells / 3S3P array
Equivalent Lithium Content:
≤7.8g
Cavity Size:
23.5mm x 80mm cross section
Fuel Gauge Display:
Always on 5-Bar LCD
IP Rating:
None
These smart Li-ion batteries (custom 18650 battery pack) support customization to fit your unique specifications. You’ll have access to options like customized labeling, tailored firmware, and a selection of performance-focused features. Plus, developing custom hybrid solutions using standard batteries is a core part of Large-battery’s proven expertise.
Engineered for Extreme & Continuous Operations
-20°C Low-Temperature Reliability: Standard lithium batteries fail in freezing conditions. The 41AQ586 custom 18650 battery pack is engineered with specialized low-temperature electrolytes, ensuring stable discharge performance even in harsh environments down to -20°C, making it perfect for cold-chain logistics and winter outdoor equipment.
Compact “Hot-Swap” Capability: Designed with an 8A discharge capability, this battery pack functions perfectly as a reliable hot-swappable backup power source. It keeps your critical industrial devices running continuously during main battery replacements, eliminating downtime.
Smart 5-Bar LCD Fuel Gauge: Equipped with a built-in intelligent fuel gauge and an intuitive 5-bar LCD display, allowing users to monitor real-time battery capacity at a glance without needing external software.
Powering Mission-Critical Industrial Devices
With its compact rectangular shape (91Wh) and smart BMS, this 3S3P Li-ion 18650 cell array is widely used in high-end applications, including:
Rugged Laptops and Tablets
Handheld Barcode Scanners for Cold Storage
Portable Medical Devices and Carts
Military and Tactical Communication Gear
OEM & ODM Custom Battery Solutions
Tailored Firmware & Custom Smart Battery Solutions
As a direct battery manufacturer, KRL Power understands that off-the-shelf products don’t always fit your unique industrial designs. These smart Li-ion batteries support deep customization. You will have access to comprehensive OEM/ODM options, including customized labeling, tailored BMS firmware protocols (SMBus/I2C), adjusted discharge currents, and redesigned casing dimensions. Developing reliable custom hybrid solutions is a core part of KRL Power’s proven expertise.
Frequently Asked Questions (FAQ)
Can the smart BMS communicate with our device's mainboard?
Yes, our custom 18650 battery packs can be programmed with customized firmware to support standard communication protocols like SMBus, I2C, or HDQ, allowing seamless data integration with your host device.
Do you offer UN38.3 and MSDS certifications for this 91Wh battery?
Absolutely. Because this battery pack is rated at 91Wh (under the 100Wh limit for air transport), it is highly optimized for global shipping. We provide complete UN38.3, MSDS, and CE certifications for smooth international logistics.
What is the minimum order quantity (MOQ) for custom firmware modifications?
We support flexible MOQs for engineering testing. Please contact our R&D team with your specific protocol requirements, and we will provide a rapid prototyping schedule and competitive wholesale pricing.
