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LifePo4 Battery 3.2V 50Ah Ponch Cell For UPS , Lithium Ion Battery For Solar Storage , UPS
No | items | specifications | Note |
1 | Charge cut-off voltage | 3.65V | The capacity means the discharge capacity of the cell, which is measured with discharge current of 0.5C with 2.5V cut-off voltage after standard charge |
2 | Nominal voltage | 3.2V | |
3 | Discharge cut-off voltage | 2.0V | |
4 | Rated Capacity | 50Ah @0.5C Discharge | |
5 | Standard Charging method | 0.5C CC(constant current)charge to 3.65V,then CV(constant voltage 3.65V)charge till charge current decline to ≤0.05C | |
6 | Max charge current | 1.0C | |
7 | discharge current | 1.0C(Continuous discharge current ) 2.0C (Instantaneous discharge current -10-60℃) | |
8 | Operating temperature | Discharging:-10℃~60℃ High/low temperature environment reduce battery charge efficiency and influence battery life | |
9 | Cell Weight | Approx:950.0g | |
10 | Storage Temp. | -20℃~ +45℃ | |
11 | Cell configuration requirements 15%SOC | Capacity:1% Impedance:0.2mΩ voltage:5mv | |
12 | Rated Capacity | ||
13 | Cycle Life | ≥1000 | Test condition: Charge:0.5C CC to 3.65V, CV to 0.02C. Discharge:0.5C DC to 2.5V 80% or more of 1st cycle capacity at 0.5c discharge of Operation |
14 | Self-discharge | <4% monthly | After the standard charging, storied the cells under the condition as No.4.4 for 28 days, then measured the capacity with 0.5C till 2.5V |
15 | Initial impedance | ≤1.0mΩ | AC 1KHz SOC 50% |
17 | Capacity Temperature Characteristics | -10℃: ≥70% 23℃:=100% 55℃: ≥90% | |
19 | storage temperature | -10℃~45℃ | |
20 | Dimensions | 246*166*13mm |