... electricity, to ensure that the battery are always at full power state. A full battery can be used at any time ... , should be charged for 8 hours.3, if the battery is running out, prompting circuit can make the brightness of ... number ≥1000Continuous discharge timeH≥4Charging time ( running down of battery )H≤8SizeLmm191Wmm69Hmm101Working mode highlight brightnessLUX≥130*4Weak brightnessLUX≥150*4 ...