Emergency Powerbank with Keychain 1800MAH. This pocket sized powerbank includes a keyring to ensure you are never without power and is ideal for emergency situations. The 1800 mAh rechargeable lithium polymer Grade A battery device is enough to charge smartphones, MP3 players and other devices. Includes a USB to Micro USB charging cable. Input: 5V/800mA; Output: 5V/1A. Supplied in a blank white gift box. ABS Plastic.