Product Details
Product Overview
The 51.2V 628Ah DIY Lithium Battery Box (LiFePO₄) is a high - capacity, user - customizable energy storage solution for home solar, off - grid, or backup power systems. Equipped with a JK PB2A16S30P 300A BMS, 4.3” touch LCD, and 250A circuit breaker, it ensures efficient management, real - time monitoring, and safety (fire protection included).
With dimensions of 740 * 440 * 578.5mm (with wheels), it offers:
-
Wide Compatibility: Fits 3.2V LiFePO₄ cells (32pcs 280AH/314AH or 16pcs 628AH supported).
-
Easy Mobility & Installation: 4 wheels for portability; 4 detachable M12 * 100mm lifting rings for flexible handling.
-
Safety & Efficiency: Features like 2A active balancer, Bluetooth/app - based monitoring, and optional heating + fire - extinguishing design for reliability.
Delivering 32kWh (51.2V 628Ah) of energy, it supports RS485, CAN, and RS232 communication, and is widely compatible with most inverters. Ideal for maximizing solar self - consumption, reducing electricity bills, and ensuring stable power supply.
Why Build With AmpBird
Everything for a safe, reliable DIY pack.
Complete DIY Hardware Kit
Includes the BMS, busbars, terminal hardware, wiring, and essential assembly components. Grade A LiFePO₄ cells can be purchased separately from AmpBird.
Grade A Matched Cells
We offer cells that are capacity-tested and voltage-matched as a set, so your pack balances faster and lasts longer.
Pre-Programmed BMS
The included BMS ships configured for your cell count and chemistry. No laptop, no parameter guesswork.
Save vs Pre-Built
Building your own pack costs significantly less per kWh than a finished battery -- with the same Grade A cells.
Custom Capacity
Choose your cell count and configuration to build exactly the voltage and kWh your system needs.
Full Build Documentation
Step-by-step assembly guide, wiring diagrams, and torque specs included. Support if you get stuck.
Technical Specifications
Kit components and electrical specs
| Translation missing: en.products.product.specification | Translation missing: en.products.product.detail |
|---|---|
| System Configuration | 16S1P |
| Nominal Voltage | 51.2V |
| Compatible Cells | 628Ah LiFePO4 |
| Compatible Brands | EVE |
| Smart BMS | JK PB2A16S30P |
| LCD Display | 4.3-inch |
| Maximum Charge Current | 300A |
| Maximum Discharge Current | 300A |
| Active Balancing | 2A |
| Circuit Breaker | 250A DC |
| Communication | CAN / RS232 / RS485 / Bluetooth |
| Expandable | Heating Pad Supported |
| Dimensions | 440 × 740 × 578.5 mm |
| Waterproof Grade | IP21 |
| Operating Temperature | Charge 0–45°C / Discharge -20–60°C |
| Recommended SOC | 15–95% |
QUESTIONS & ANSWERS
