rechargeable lithium ion polymer battery for wearables
Product Description
- Charge voltage 4.2±0.03V
- Nominal voltage 3.7V
- Nominal capacity 75mAh (at 0.2C rate discharge process after standard charge)
- Minimum capacity 70mAh (at 0.2C rate discharge process after standard charge)
- Standard charge(25±2°C) Constant current 0.2C mA to 4.2V, constant voltage 4.2V, 0.02CmA cut-off
- Fast charge(25±2°C) Constant current 1C mA to 4.2V Constant voltage 4.2V, 0.02CmA cut-off
- Standard discharge (25±2°C) constant current 0.2CmA 3.0V cut-off
- Fast discharge(25±2°C) constant current 1C mA 3.0V cut-off
- Operating temperature charging: 0°C-45°C
- Discharging: -20°C - 55°C
- Storage (at 50% SOC and specified temp, recoverable capacity in % vs time)
- -10-25°C (12 months, ≥85%)
- -10-45°C (6 months, ≥85%)
- -10-55°C (1 month, ≥90%)
- 20 ±5°C is the recommended storage temperature
- Cycle life: ≥500 cycles more than 80% at standard charge/standard discharge (25±°C)
- Pack Initial Internal Impedance ≤350mΩ (50% SOC, measure the AC impedance at 1kHz)
- Delivery voltage 3.8V-4.0V
- Delivery capacity: ≥60%
- Warranty time: 12 months
- Environment requirement RoHS and REACH
- Dimensions of battery pack T: 4.0mm(max) W: 12.7mm (max) L:23mm(max)
- Battery basic info battery model: 401221
lifetime cycle: ≥500
Maximum constant charging current: 1C
Maximum continuous discharge current: 2C
Discharge temperatures: -20 to 60°C
Charging temperatures: 0 to 45°C
Flexible for making into battery pack
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