The Goui PWANI 20000mAh Portable Power Bank is conveniently designed to charge multiple devices at once. is compatible with the majority of smartphones, tablets, MP3, MP4, Bluetooth, portable DVD players, and gaming devices. It is small enough to fit in your bag and offers quick power for charging your gadgets anywhere, at any time! Qualities: 20,000mAh is the capacity. Type of Input: C1: 5V/3A; Type of Output: C1: 5V/3A Type of USB-A1:5V/3A Output: C2:5V/3A 5V/3A triple output Fire-retardant safety standard VO