| Customization: | Available |
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| Separator Type: | PP |
| Negative Materials: | Natural Graphite |
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| Items | Specifications |
| batteries | 3.7v 55mAh lipo battery |
| Charge voltage | 4.2V |
| Nominal voltage | 3.7V |
| Nominal capacity | 250mAh 0.2C Discharge |
| Charge current | Standard Charging:0.5C Rapid charge: 1.0C |
| Standard Charging method | 0.5C CC(constant current)charge to 4.2V, then CV(constant voltage 4.2V)charge till charge current decline to ≤0.05C |
| Charging time | Standard Charging:2.75hours(Ref.) Rapid charge: 2hours(Ref.) |
| Max.charge current | 1.0C |
| Max.discharge current | 1.0C |
| Discharge cut-off voltage | 2.75V(0.2C) |
| perating temperature | ChCharging: 0 °C ~45 °C Discharging:0 °C ~45 °Carging: 0 °C ~45 °C |
| Discharging:Storage temperature0 °C ~45 °C | -10°C~ +45 °C |
| Dimension | Length: 50±2mm (not including tabs) Width: 20±0.5mm Thickness:10±0.2mm |
| Drop Test | The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage |
| cycle time | ≥300times |
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