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Product Description
LiFePO4 Battery
| Item | Description | Specification | Remark |
| 1 | Rated capacity | 500Ah | 250A standard discharging after 250A standard charging |
| 2 | Rated voltage | 3.2V | Working voltage |
| 3 | Cycle Life | ≥4000cycles |
◆discharging：250A discharge to 2.5V ◆Suspend：30min ◆Temperature：25±5℃ ◆ The capacity exceeds 80% of the initial capacity after 4000 cycles |
| 4 | End-off discharge voltage | 2.5V | |
| 5 | End-off charge voltage | 3.65V | |
| 6 | internal resistance | ≤0.4mΩ | Measuring internal resistance with AC method under full charge, use, New battery measurements less than one week after shipment and less than 5 cycles |
| 7 | Standard charging current | 0.5C (250A) | |
| 8 | Standard discharging current | 0.5C (250A) | |
| 9 | Standard charging mode | Under temperature 25±2℃, 0.5C(250A) constant current charge to 3.65V， then 3.65V constant voltage charge to charge current≤0.02C(10A) end | |
| 10 | Standard discharging mode | Under temperature 25±2℃，0.5C(250A) constant current discharge 2.5V end | |
| 11 | Maximum instantaneous discharge current | 3C(1500A) | The temperature of the cell is lower than 50℃, and the SOC is >40%, The longest discharge time is 30s. SOC is<40%, the maximum discharge time is 10s |
| 12 | Maximum continuous charging current | 2C(1000A) | |
| 13 | Maximum continuous discharging current | 2C(1000A) | |
| 14 | self-discharge rate | rate 2.5%/month | 100%SOC，Store under 25℃ for 28 days |
| 15 | energy density | ≥167 Wh/kg | |
| 16 | operating temperature range | charge: 0℃~55℃ |
60±25%R.H. cell operating humidity range; Do not charge and discharge below 0 ° C Termination voltage 2.0V |
| discharge: -20℃~60℃ | |||
| 17 | storage temperature range | Less than 12months: 20~55℃ | 60±25%R.H. Humidity range of a battery |
| Less than 3 months: -40~65℃ | |||
| 18 | Weight | 10±0.2kg | |
| 19 | Dimension |
Cell height: 430±2mm(Tab not include) Tab height: 45±0.5mm(Not include glue) |
|
| Cell width: 794±2mm electrode tab width: 280±0.5mm | |||
| Thickness:≦16.9mm | |||
| 20 | Case material | Aluminum plastic film |
