Rated voltage:DC3.7V
Rated capacity≥4400mAh
power≤3W
Lifetime of Light Source≥100000h
Time of use: bright light≥8h/Working lamp (>)16h
Charging time:6h-8h
Battery life≥1000h
Shape size≥85x75x 56mm
weight≤0.2kg
Shell protection≥ IP65
