... using a precision design of the dimming circuit, (5 files) with anti-reverse, prevent over-discharge function ... stalls were: 100%, 30%, 5%14,500 with a battery life time is 30 minutes highlighted, in the ... light 90 minutes, 300 minutes of low light4, Battery: use a 5 ... Universal Ni-MH and lithium ion rechargeable battery;5, Material: shell made of imported high-quality ...