Major technical parameters Main ligjht Parameter unit amount note Batter capacity ah 5 Rated voltage v 3.7 Lighting time h r15 Power w 1 Working voltage v 3.7 Currency a 0.35 Lumen lm r26 Initial lighting degree lux r1800 in the distance of 1 meter Lighting degree after 13/hrs lux r1800 Life h 50000 Accessory light Life circle times r1000 L 76 Size w 31 H 79 Weight kg q 0.5