Mizco Re-Fuel Replacer 2600 Power Bank Battery Charger - 2600mAh External Battery Power Bank | Portable Phone Charger for Samsung, iPhone, and Android Smartphones | AC Wall Plug and USB Port (Black) Battery comes pre-charged and ready to use right out of the box. Compact design folds to fit comfortably in your pocket or bag. Comes with a built-in USB port and AC Wall Plug. LED charge indicator shows you battery level with the press of a button. 1 Year Warranty