... maintenance, with 1500mAh high;Low power consumption. KM-169 LED rechargeable head lampProduct characteristics:1. Lead-acid battery rechargeable and free maintenance ... can be used circularly 250 times above;3. With 15 LED lamp, long life and super brightness, low power consumption, the ... service life of the battery, when the ray of the head light is becoming dim obviously, please stop using and charge ...