Mediasonic ProBox Nekohako Series Cat Style Power Bank 7800mAh 2 x USB Output, Japan Sanyo Battery Cell (Black) Two USB ports to charge two USB devices simultaneously, Charge most of mobile devices including smart phones, tablets, and digital cameras with standard USB 5V power input One USB port up to 2.1A and One USB port up to 1.2A current output support fast charging for most smart phones and mobile devices 7800mAh Battery Capacity, Triple safety protection design for safety and reliable usage, Safety Protection: Cell overcharge, Cell over-discharge, Cell over-current, USB port short-circuit protection, USB port output current protection, Input voltage protection LED light indicator for Battery Capacity, Power On / Off button