Basic Performance of Battery Pack
Rated Capacity min：1900mAh；
Minimum Capacity：1850mAh；
Normal Voltage：3.7V
Charge Ending Voltage：4.22~4.33V（Battery）
Discharge Ending Voltage：＜2.7V（Battery）
Standard charging method：10℃～45℃ 0.2C constant current charge to 4.2V, then constant voltage 4.2V charge till charged current declines to ≤ 0.02C
Charge current：Standard charge:0.2C；Rapid charge:1C
Charging Time：Standard charge:5.5～6.5 h/Rapid charge:1.5～2.5 h
Max. Charging Current：1C（1900mA）
Standard discharging Current：-20℃～+60℃ 0.2C constant current discharge to 2.75V.
Max. Discharging Current：1C（1900mA）
Operating environment：Charging: 0℃-45℃, max.90%RH/Discharging: -20℃-60℃, max.90%RH
Battery pack Production Impedance：≤250mΩ
Weight：About 42g (Include PCB)
Features of Special lighting:
1）Taking high-quality 18650 lithium ion batteries, high security,small size, light weight, long cycle life，environmental friendly；
2）Industrial explosion-proof safe battery design, meeting explosion-proof levels such as ia and ib
3）High efficiency, low power consumption,stable power supply, high power output.
4）Widely working temperature range，excellent high and low temperature performance.
5）13 years deeply cultivated in the lighting industry and serve several famous listed lighting companies.
6) CE, ROHS, FCC, UL, PSE, BIS and other international certifications could be supported.
