Excellent battery efficiency
For maximum lasting time, Kinstar 3.7V 3900mAh polymer rechargeable battery demonstrably have maximum energy density with small size and low weight - guaranteeing maximum output power.
Fast charge and no memory effect
Kinstar LiPo 3.7V 3900mAh battery can be full charged in about 6 hours, faster than Ni-MH, Ni-Cd or Lead acid batteries. Durable energy storage without memory effect and with minimal self-discharge.
Long service life
The Protection Circuit Board(PCB) offers maximum protection against overcharging, overdischarging, overcurrent, overheating and short circuits as well as extending the service life of the battery pack.
Environment friendly and easy handling
Lithium-ion polymer batteries are clean energy provider with staying power and zero emission. It is simple to handle them without any danger, if read instruction before using the batteries.
| Items | Specifications | Notes |
| Nominal capacity | 3900mAh | 0.2C discharge at 25°C |
| Nominal voltage | 3.7V | Average operating voltage |
| Nominal energy | 14.43Wh | Capacity(Ah) × Voltage(V) |
| Charging voltage | 4.20 ± 0.05V | |
| Charging current | 780mA 丨1950mA | Standard丨Rapid |
| Charging time | 6.0 hours 丨3.0 hours | Standard丨Rapid |
| Charging method | CC - CV | Constant current, constant voltage |
| Continuous discharge current | 780mA 丨3000mA | Standard丨Maximum |
| Peak discharge current | 6000mA | Within a short time |
| Discharge end voltage | 2.75V | Discharge cut-off voltage |
| Dimensions | 7.2mm丨41mm丨64mm | Thickness丨Width丨Length |
| Typical weight | 80g | 2.82 oz |
| Charge temperature range | +10 ~ +45°C | +50 ~ 110°F |
| Discharge temperature range | -20 ~ +60°C | -4 ~ +140°F |
| Storage temperature | -20 ~ +45°C | Within 3 months |
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