Naztech 2200mAh Compact Portable Battery Charger for iPhone , iPad , Samsung Galaxy , & More Extends Battery Life Compact & Simple To Use 2200 mAh of Power, Micro USB Cable Included LED Battery Life Indicators Compatible with all Phone Models: Apple iPhone/iPhone 3G/iPhone 3Gs/iPhone 4, BlackBerry, Cal-Camp, Casio, Danger, HP, HP Palm, HTC, Huawei, Kypcera, LG, Nokia, Motorola, Pantech, PCD, Samsung, Sanyo, Sharp, Sony Ericsson, UTSarcom, ZTE