USTOP&trade;White 2600mAh cylindrical Portable External Battery Power Bank Backup Charger for iPhone 5, 4S, 4, iPad 4, 3, 2 100% Brand New Input: DC 5V, 800mAh Output:DC 5.0V,800mAh Capacity:3.7V/2600mAh Compatible Brand: For Apple,Samsung, LG ,HTC etc.