No. | Item | General Parameter | Remark | |
1 | Rated Capacity | Typical | 600mAh | Standard discharge(0.2C5A) after Standard charge |
Minimum | 550mAh | |||
2 | Nominal Voltage | 6.4V | Mean Operation Voltage | |
3 | Voltage at end of | 4.0V | Discharge Cut-off Voltage | |
4 | Charging Voltage | 7.3V |
| |
5 | Internal Impedance | ≤200mΩ | Internal resistance measured at AC 1KHZ after 50% charge | |
6 | Standard charge | Constant Current 0.2C5A |
| |
7 | Standard discharge | Constant current 0.2C5A |
| |
8 | Fast charge | Constant Current 1.0C5A |
| |
9 | Fast discharge | Constant current 1.0C5A |
| |
10 | Maximum Continuous Charge Current | 1.0 C5A |
| |
11 | Maximum Continuous Discharge Current | 1.5 C5A |
| |
12 | Operation Temperature Range | Charge: 0~45℃ | 60±25%R.H. | |
|
| Discharge: -10~60℃ |
| |
13 | Storage Temperature Range | Less than 1 year: -20~25℃ | 60±25%R.H. | |
|
| less than 3 months: -20~40℃ |
| |
|
| Less than 7 day : -20~65℃ |
| |
14 | Cell Dimension | High:50.0±0.2 mm | Initial Dimension | |
|
| Diameter14.0±0.4 mm |
|
No | Items | Test Method and Condition | Criteria | |
1 | Rated Capacity at 0.2C(Min.)
| After standard charge, the capacity shall be measured on 0.2C discharge till the voltage discharge to2.0V,
| ≥600mAh | ≥100% |
Rated Capacity at 0.5C(Min.)
| After standard charge, the capacity shall be measured on 0.5C discharge till the voltage discharge to 2.0V,
| ≥550mAh | ≥98% | |
Rated Capacity at 1C(Min.)
| After standard charge, the capacity shall be measured on 1C discharge till the voltage discharge to 2.0V,
| ≥520mAh | ≥96% | |
2 | Cycle Life
| Charging and discharging battery as blew conditions 0.2C standard charge to 3.65V end-off 0.2C standard discharge to 2.0V cut-off Continuous charge and discharge for 800cycles ,the capacity will be measure after the800th cycle
| ≥80% of initial capacity | |
3 | Capacity retention
| The battery to be charge in accordance with standard charge condition at 20~25℃,then storage the battery at an ambient temperature 20~25℃ for 28 days. Measure the capacity after 30 days with 1C at 20~25℃ as retention capacity
| Retention capacity
≥85% |