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A 7.68 kWh LiFePO4 (Lithium Iron Phosphate) battery is a versatile and efficient energy storage solution, suitable for mid-sized solar systems, home energy storage, off-grid applications, and backup power solutions. Here’s a detailed overview of its typical specifications and features:
Key Specifications:
- Battery Type: Lithium Iron Phosphate (LiFePO4)
- Capacity: 7.68 kWh (kilowatt-hours)
- Voltage: Usually 48V (though other voltages may be available depending on the model)
- Rated Capacity: Typically around 150-200 Ah (Amp-hours)
- Cycle Life: Often rated for 3000-7000 cycles at 80% Depth of Discharge (DoD), ensuring longevity
- Efficiency: High round-trip efficiency, generally between 95-98%
- Operating Temperature:
- Discharge: -20°C to 60°C
- Charge: 0°C to 45°C
- Weight: Approximately 60-90 kg, depending on the specific model and configuration
- Dimensions: Designed for compact installation, often compatible with wall-mount or rack-mount setups
Features:
- Safety: LiFePO4 chemistry is known for stability, reducing the risk of overheating, thermal runaway, and fires, making it one of the safest lithium battery options.
- Longevity: These batteries are optimized for a long lifespan, suitable for applications requiring frequent charge-discharge cycles, such as renewable energy systems.
- Battery Management System (BMS): Equipped with advanced BMS for monitoring voltage, current, temperature, and overall system health, ensuring safety and maximizing battery life.
- Scalability: The system allows for series or parallel connections to increase voltage or capacity, making it adaptable for expanding energy needs.
Specifications:
| Electrical Characteristics | Nominal Voltage | 51.2V |
| Nominal Capacity | 150Ah (C5,25°C) | |
| Energy | 7680Wh | |
| Internal Resistance | <50mΩ | |
| Cycle Life | >10000 cycles @25°C | |
| Months Self Discharge | <3% | |
| Efficiency of Charge | 100% @0.2C | |
| Efficiency of Discharge | 96~99% @1C | |
| Standard Charge | Charge Voltage | 58.4V |
| Charge Mode | 0.2C to 58.4V, then 58.4V charge current 0.02C(CC/CV) | |
| Charger Current | 20A | |
| Max. Charge Current | 50A | |
| Charge Cut-off Voltage | <59.2V | |
| Standard Discharge | Continuous Current | 75A |
| Max. Pulse Current | 110A(<3s) | |
| Discharge Cut-off Voltage | 44V | |
| Environmental | Charge Temperature | 0°C to 45°C (32F to 113F) @60±25% Relative Humidity |
| Discharge Temperature | -20°C to 60°C (-4F to 140F) @60±25% Relative Humidity | |
| Storage Temperature | 0°C to 40°C (32F to 104F) @60±25% Relative Humidity | |
| Water Dust Resistance | ||
| Mechanical | Cell & Method | 3.2V50AH-16S2P |
| Plastic Case | ||
| Dimensions (in./mm.) | 600*420*210±2mm | |
| Weight (lbs./kg.) | 75Kg | |
| Terminal | 180A terminal | |
| Protocol (optional) | RS485/CAN | |
| BMS | 16S100A |
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