3.7V 1000mAh Battery for Fingerprint Time Attendance Machine
Model No. ： DF-453759
Rated capacity： 1000mAh
Nominal voltage: 3.7V
Voltage range : 4.2V--3V
Thickness ： 5.5±0.5mm
Width ： 34.5±0.5mm
Height ： 53.5±0.5mm
Weight : 25g
Battery cycle life: 500cycles
Warranty period: 1 year
Maximum working current: 1C
Over charge voltage: 4.2V±0.05V
Over discharge voltage ：3V±0.1V
Over current protection : 3.2±1.0A（4.2V~3V）
Application: Wireless Security system, Medical equipment, Test instrument, LED lighting products, Toy, etc.
This battery pack adopted special designed protection circuit：
Over charge, Over discharge, Short circuit and over current protection.Prevent battery from fire and explosion.
Protection IC：
The protection IC with real time detection function: over charge ,such as over discharge ,over current and short circuit protection. It ensured battery security and stability.
NTC It will detect the temperature of battery, and active the protection system.
Cell type : Lithium Polymer cell 3.7V 1000mAh
MOSFET： Intelligent power switch,which keep the battery voltage in a stable range