Volt Power Bank & Phone Stand - 2200mAh - The 2200 mAh rechargeable lithium ion Grade A battery is enough to charge smartphones, MP3 players and more. Includes a retractable phone stand and clip for ease of use while charging. 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. Push button allows you to check the indicator lights to know when the device is fully charged. Input: 5V/500mA. Output: 5V/1000mA. Media device not included. ABS 10.1 ( l ) x 2.5 ( w ) x 2.4 ( h ) lithium ion battery safety: over voltage, over current, over load & short circuit protection