... .Rated Capacity1600mA 4.CCC CE ISO9001:2008 OEM led headlamp (Headlight ,headlamp ,miner headlight,led headlight,led headlamp,projector headlight)1.1W bigpower LED2.Battery life ... 15 hours ,strong light in front will work 8 hours.4.When the led bulb is dark during usage, that means battery ... you don’t usually use it,please charge it over 8 hours every 2 months, or it would affect the battery ...