GT-7 Coal Miner Lamp Headlight :
Battery (Lithium ion)
It adpot new styled lithium ion battery which is with over-charging, over-discharging and a short circuit protection fuction. Every battery cycled lifetime is more than 500 times. It has 75% rated capacity after using 800 times. It's a newest environmental protection battery.
It adpot 3W USA CREE high-power LED, The life is more than 50000 hours. Illumiance is more than 10000 lux, it adpot two sets of light source, one is main - six auxiliary light source or main-axiliary in one. When main light source lose function, pls turn a switch axis into auxiliary light source then it go into work normally(This is for meet an emergency)
ChargerAny type of plug depends on you ):
It adpot isopiestic pressure current limiting charging way. It's setting value volatge is 4.2V(normal charging voltage is 4.2V). When charging max current is 1A and voltage approachs to 4.2V, charging current will reduce gently. When battery''s voltage is 4.2V and current is less than 100A, the indicator light will display green color. This mean that miner's lamp can be used normally. When it's charging, the indicator light will display red color.