Safe LiFePO₄ Chemistry
Non-flammable, stable cells deliver dependable performance and safer operation than other lithium technologies.
14.3kWh
Lithium Iron Phosphate Battery
ELFP-51V280Ah
14.3 kWh Capacity · Long Life Residential Storage
High-performance LiFePO₄ battery with integrated BMS, flexible parallel scaling, and dependable backup energy for homes and off-grid installations.
14.3kWh
Max Energy
51.2V
Nominal Voltage
16
Units Parallel
Integrated BMS
Built-in battery management for safe charging, balancing, and protection.
Parallel Ready
Supports expansion with up to 16 parallel units for greater capacity.
Long Service Life
Designed for 10–20 years of reliable operation with high cycle durability.
Product Advantages
The ELFP-51V280Ah battery delivers stable LiFePO₄ storage for residential and off-grid systems, with robust protection and flexible expandability.
Robust Protection
Built-in overcharge, over-discharge, over-current, short-circuit and temperature protection.
Flexible System Scaling
Connect up to 16 units in parallel for larger energy capacity and extended backup time.
Fast Charge Support
125A charging and discharging current supports fast energy replenishment and strong load delivery.
Durable Cycle Life
More than 6,000 cycles normally and over 8,000 cycles at 70% depth of discharge.
Stable Operating Range
Wide temperature and humidity tolerance for dependable energy storage in real environments.
Technical Parameters
Key electrical, environmental, and protection specifications for the ELFP-51V280Ah 14.3kWh LiFePO₄ battery.
| Item | Parameter |
|---|---|
| Battery | |
| Model | ELFP-51V280Ah |
| Battery type | Lithium Iron Phosphate (LiFePO₄) |
| Nominal voltage | 51.2V |
| Nominal capacity | 314Ah |
| Maximum capacity | 280Ah |
| Nominal energy | 16kWh |
| Maximum energy | 14.3kWh |
| Cycle life (80% DOD) | ≥ 6000 cycles |
| Cycle life (70% DOD) | ≥ 8000 cycles |
| Charge voltage | 55.2 ± 0.2V |
| Discharge cut-off voltage | 46.4 ± 0.2V |
| Standard charge current | 125A |
| Continuous discharge current | 125A |
| Environmental Parameters | |
| Charge temperature | 0 ~ 55°C |
| Discharge temperature | -20 ~ 60°C |
| Storage temperature | -10 ~ 55°C |
| Humidity | ≤ 85% RH |
Protection & Features
- • Built-in Battery Management System (BMS)
- • Overcharge protection
- • Over-discharge protection
- • Over-current and short-circuit protection
- • Temperature protection
- • Supports Parallel Connection (up to 16 units)
- • RS485 / CAN communication interface / WiFi / Bluetooth
- • Long service life (10–20 years typical)
Safety Warning
- • Do not short-circuit the battery terminals.
- • Do not expose the battery to fire or high temperatures.
- • Do not puncture, crush, or disassemble the battery.
- • Do not use if the battery is swollen, leaking, or damaged.
- • Keep away from children.
- • Charge only with a compatible, approved charger.
- • Do not immerse in water or allow moisture to enter.