About Product:The products are built for long life maintenance free rechargeable battery capacity of up to 3200mAh, which has the power storage function, the power can be normally used Yu Zhaoming. This product can be used directly to 240V lighting AC90. This product has the function of emergency, the city electric power supply is normal in the off state, power battery supply lighting. This product uses switching power supply charging, with over charging protection function. - long battery life, 500 times for rechargeable. The 60 energy saving, high brightness, long life LED patch.