UltraFire 10440 3.7V 500mAh Rechargeable Lithium Batteries With Protection contains integrated battery overcharge / discharge protection circuits. High discharge performance Li-ion Rechargeable Battery. More than 500 charge-discharge cycles.
Rated Voltage: 3.7V
Charge Termination Voltage: 4.2V
Discharge Termination Voltage: 2.75V
Maximum Charge Current: 640mAh
Maximum Discharge Current: 640mAh
UltraFire 10440 3.7V 500mAh Rechargeable Lithium Battery * 2
1) Do not reverse the battery when charging and putting into devices.
2) Do not heat, dissemble or put the battery into fire.
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) Please fully charged the battery if long time no used or usage in the first time.
6) The batteries can only be charged by Li-ion 10440 rechargeable battery charger.