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| Supplier: | Shenzhen Kingbolai Industrial Co., Ltd. |
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| Price: | US $ 4/Piece |
| Min Order: | 10000/Piece |
| Quantity:: | |
| Trade Terms: | FOB,EXW,CIF |
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| Prod Model: | li-po battery |
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| Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Factory: | Guangdong |
| Type: | Lithium-Polymer Battery Charger |
| NO. | Items | Test Method and Condition | Criteria | ||||||
| 1 | Standard Charge | Charging the cell initially with constant current at 0.2C and then with constant voltage at 4.2V till charge current declines to 0.02C 0.2C4.2V,4.2V≤0.02C | |||||||
| 2 | Rated Capacity | The capacity means the discharge capacity of the cell, which is measured with discharge current of 0.2C with 3.0V cut-off voltage after standard charge. ,0.2C3.0V. | ≥480mAh | ||||||
| 3 | Cycle Life | Test condition: Charge: 0.2C to 4.2V Discharge: 0.2C to3.0V 80% or more of 1st cycle capacity at 0.2C discharge of Operation : :0.2C4.2V :0.2C3.0V 80%, | ≥300 | ||||||
| 4 | Self-discharge | After the standard charging, storied the cells under the condition as No.6.4 for28 days, then measured the capacity with 0.2C till 3.0V ,No.6.428,0.2C3.0V. | Residual capacity >90% >90% | ||||||
| 5 | Initial impedance of cell | Internal resistance measured at AC 1KHz after 50% charge ,AC 1KHz | ≤80mW | ||||||
| 6 | Temperature Characteristics | 1. According to item 4.1.1, at 25±5ºC. 2. Capacity comparison at each temperature, measured with constant discharge current 0.2C with 3.0V cut-off. Percentage as an index of the capacity compared with 100% at 25ºC 1.25±5ºC,4.1.1. 2.,0.2C3.0V.25ºC. | -20ºC: ≥50% 25ºC: 100% 60ºC: ≥85% | ||||||
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