Genuine UltraFire battery; 2400mAh capacity, 3.7V, with protected board
The UltraFire protected 18650 rechargeable Lithium battery is equipped with a protection circuit board (PCB) on the negative pole. The PCB can protect the battery from overcharge, over-discharging, overload and short circuit, which can make the battery safer and longer lifespan. The battery is environment friendly and perfect for super bright flash and other devices.
- Genuine 2400mAh capacity
- 3.7V 18650 battery
- Discharging and charging protection circuitry built-in
- Protective circuitry kicks in when voltage is over 4.2V while charging, 2.75V while discharging
- Dimensions: 2.64 in x 0.71 in x 0.71 in
- Weight: 3.42 oz
2 x UltraFire 3.7v 2400mah rechargeable battery
1) Please fully charged the battery if long time no used or usage in the first time.
2) Before using or charging for the first time, please remove the clear plastic film wrapped on the battery surface.
3) Do not mix use old and new batteries or any different types of batteries.
4) Do not mix use different capacity of batteries.
5) Do not reverse the battery when charging and putting into devices.
6) The batteries can only be charged by Li-ion 18650 rechargeable battery charger.
7) Do not charge the battery for too long.
8) Do not heat, dissemble or put the battery into fire.
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