51.2V 200Ah LiFePO4 Battery Pack (Waterproof Type)
Product Overview
The 51.2V 200Ah waterproof LiFePO4 battery is a high‑performance, safe, and long‑life energy storage module designed for solar‑storage systems, off‑grid power, home backup, industrial emergency power, and mobile energy applications. It features a robust waterproof structure, intelligent BMS, flexible parallel expansion, and stable operation in harsh environments.
Key Features
Premium LiFePO4 Chemistry
Non‑toxic, eco‑friendly, high thermal stability, >6000 cycles, 10+ years design life.
Intelligent BMS with Full Protection
Built‑in BMS provides over‑charge, over‑discharge, over‑current, short‑circuit, high/low temperature, and voltage imbalance protection. Supports cell balancing.
Waterproof & Rugged Build
Durable waterproof enclosure for reliable use in humid, dusty, and outdoor environments.
Flexible Parallel Expansion
Support multi‑unit parallel connection via DIP address setting to expand capacity and power.
Clear LED Status Display
Real‑time indication of power (SOC), running status, alarm, and fault.
Wide Temperature Adaptability
Charge: 0°C–50°C; Discharge: -20°C–55°C; no memory effect.
Low Self‑Discharge
Can be stored up to 10 months before recharging.
Core Specifications
| Item | Specification |
|---|
| Nominal Voltage | 51.2V |
| Nominal Capacity | 200Ah |
| Nominal Energy | 10240Wh |
| Usable Energy | 9216Wh |
| Charge Voltage | 58.4V |
| Cut‑off Voltage | 40V |
| Recommended Charge/Discharge Current | 50A |
| Max Charge/Discharge Current | 100A |
| Communication | CAN / RS485 / RS232 |
| Dimension | 985×577×200mm |
| Cycle Life | >6000 times |
| Certifications | CE, IEC, UL, UN38.3, MSDS |
Protection Functions
Over voltage / Under voltage protection
Over charge / Over discharge protection
Over current / Short circuit protection
Over temperature / Under temperature protection
Automatic sleep after 72 hours of no load / communication
Applications
Solar & wind hybrid energy storage
Home energy storage & backup power
Off‑grid power supply systems
Industrial & commercial emergency power
RV, marine, and mobile energy storage
Why Choose Us
High safety and stability
Waterproof design for outdoor use
Smart BMS for reliable operation
Easy installation and parallel expansion
Long cycle life, low maintenance
