ExpertPower 2,800mAh With Keychain In Black /Blue /Pink Portable Power Bank With 1 Output for Android Apple iPad iPhone iPod Samsung Galaxy Google HTC LG Motorola Nexus Samsung Smartphones Sony Tablets etc. Brand New | Li-Polymer cell One Outputs, One Input Portable Charger/ External Battery Compact design, super portable, easy to hold in your hand and put anywhere your want, e.g. a pocket or bag. 36 Days Money Back / 90 Days Manufacturers warranty