- Stock: In Stock
- Model: REPT 280-US
- Weight: 5.45kg
- Dimensions: 20.00cm x 17.50cm x 7.20cm
Overview
The REPT 280Ah 3.2V LiFePO4 battery is a top-tier energy storage solution designed for solar power systems. Engineered for efficiency and durability, this ESS-grade battery offers a high capacity of 280Ah and a nominal voltage of 3.2V, making it ideal for residential and commercial solar setups. With laser-welded studs for secure connections and a robust lithium iron phosphate chemistry, this battery ensures long-lasting performance in demanding environments.
Key Features
- High Capacity: 280Ah capacity ensures ample energy storage for solar systems, supporting extended runtime.
- Stable Chemistry: Lithium iron phosphate (LiFePO4) offers superior safety, with no risk of thermal runaway.
- Laser-Welded Studs: Enhances connection reliability, reducing resistance and improving efficiency.
- Wide Operating Temperature: Performs reliably from -30°C to 55°C, ideal for diverse climates.
- High Energy Density: Delivers 166Wh/kg and up to 352Wh/L, maximizing storage in compact spaces.
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Specification
| Item | Specification | Comment |
|---|---|---|
| Nominal Capacity | 280Ah | 25±2℃, 0.5C/0.5C |
| Nominal Voltage | 3.2V | - |
| Operating Voltage | 2.5-3.65V | 0℃＜T≤55℃ |
| 2.0-3.65V | -30℃≤T≤0℃ | |
| Standard Discharging Current | 140A | 25±2℃ |
| Maximum Continuous Discharging Current | 280A | 25±2℃ |
| Maximum Discharging Current | 560A | @60s, SOC ≥20% |
| Standard Charging Current | 140A | 25±2℃ |
| Maximum Continuous Charging Current | 280A | 25±2℃ |
| Maximum Charging Current | 560A | @60s, SOC ≤80% |
| Operating Temperature | 0℃＜T≤55℃ | Charge |
| -30℃≤T≤55℃ | Discharge | |
| Storage Temperature | -30℃~60℃ | Storage ambient humidity ＜95%ROH, no condensation |
| Typical Dimension | Thickness: 71.7±0.50mm Width: 174.00±0.50mm Shoulder Height: 204.40±0.60mm Total Height: 206.80±0.60mm | @3000±200N, 40%SOC |
| Cathode Material | LiFePO4 | - |
| Cell Weight | 5.40±0.15kg | - |
| Energy Density | 166Wh/kg ~352Wh/L | - |
| ACR (1KHz) | ≤0.30mΩ | 25%~50%SOC |
| Standard Charging Method (CC&CV) | In an ambient temperature of 25±5℃, battery is charged with constant current of 0.5I1(A) until 3.65V. Then it is charged at a constant voltage of 3.65V until the current is less than 0.05I1(A), and rest one hour. | - |
Applications
The REPT 280Ah LiFePO4 battery is versatile and suited for a wide range of renewable energy applications, including:
Golf Cart
Reliable power for longer, smoother rides on the course.
RV
Dependable energy for off-grid camping and road trips.
DIY Energy Projects
Perfect for building custom, sustainable energy solutions.
Emergency Backup Systems
Ensures consistent power during unexpected outages.
Frequently Asked Questions
What is a LiFePO4 battery, and why is it good for solar?
A LiFePO4 battery uses lithium iron phosphate as its cathode material, offering high safety, long cycle life, and thermal stability. It’s ideal for solar due to its ability to handle deep discharges and maintain consistent performance in varying temperatures.
Is the REPT 280Ah battery safe for home solar systems?
Absolutely. Its LiFePO4 chemistry minimizes risks of fire or explosion, and the laser-welded studs ensure secure connections, enhancing safety.
How do I charge the REPT 280Ah LiFePO4 battery?
Charge at 25±5°C with a constant current of 0.5I1(A) until 3.65V, then at a constant voltage of 3.65V until the current drops below 0.05I1(A), followed by a one-hour rest.
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