- Stock: Out Of Stock
- Model: REPT 280
- Weight: 5.45kg
- Dimensions: 20.00cm x 17.50cm x 7.20cm
Overview
The REPT 280Ah 3.2V LiFePO4 Battery is a premium energy storage solution designed for reliability and efficiency in demanding applications.
With a high nominal capacity of 280Ah and a stable 3.2V output, this lithium iron phosphate battery excels in solar energy storage systems (ESS), electric vehicles (EVs), and off-grid power solutions.
Its robust construction, featuring laser-welded studs, ensures secure connections and long-term performance, making it a top choice for sustainable energy projects.
Key Features
- High Capacity: Delivers 280Ah for extended energy storage, ideal for large-scale ESS.
- Stable Voltage: Operates at a nominal 3.2V, with a range of 2.5-3.65V (0℃ to 55℃) or 2.0-3.65V (-30℃ to 0℃).
- High Energy Density: Offers 166Wh/kg and up to 352Wh/L, maximizing power in compact designs.
- Durable Design: Weighing 5.40±0.15kg, with laser-welded studs for enhanced reliability.
- Wide Operating Temperature: Charges from 0℃ to 55℃ and discharges from -30℃ to 55℃, ensuring versatility.
- Low Internal Resistance: ACR ≤0.30mΩ (25% to 50% SOC) for efficient power delivery.
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℃ |
| Operating Voltage | 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 (Charge) | 0℃＜T≤55℃ | Charge |
| Operating Temperature (Discharge) | -30℃≤T≤55℃ | Discharge |
| Storage Temperature | -30℃~60℃ | Storage ambient humidity ＜95%RH, 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 3.2V LiFePO4 Battery is versatile and suitable for various high-demand 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
Is the REPT 280Ah LiFePO4 battery safe for solar ESS?
Absolutely. Its lithium iron phosphate chemistry ensures high thermal stability and safety, ideal for solar energy storage systems.
How do I charge the 3.2V LiFePO4 battery?
Use a constant current/constant voltage (CC/CV) method at 25±5℃. Charge with 0.5I1(A) to 3.65V, then maintain 3.65V until the current drops below 0.05I1(A).
What are the dimensions of the REPT 280Ah battery?
The battery measures 71.7±0.50mm (thickness), 174.00±0.50mm (width), 204.40±0.60mm (shoulder height), and 206.80±0.60mm (total height).
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