About Product:Also double output (1.5A 1A), for charging mobile phones, tablets and other devices, LED lighting, LED lighting more than 380 hours of continuous (theoretically). YB-651 has a charge over voltage protection, discharge over-current protection, output overvoltage protection, temperature control 4 heavy protection, such as protection, the power conversion efficiency of more than 85%, AAA-grade batteries, from raw materials to processing to achieve high quality levels, safety green energy innovations.