8000 mAh rechargeable lithium ion Grade A battery device is enough to charge smartphones and MP3 players. Reusable power bank charges via USB cable (included) which can recharge the battery backup or be used to charge up devices with a micro-USB input like Android smartphones from Samsung Motorola HTC Nokia and others. Press on/off power button twice for flashlight function. Press on/off power button once for LED indicator. Input: 5V/500mA Output 1: 5V/1000mA Output 2: 5V/2100mA Maximum Output: 5V/2100mA. Packed in a white carton box. Aluminium.