2600mAh Portable Blue External Power Bank Battery Charger For iPhone5 4S 4 3GS i9300 Battery capacity: 2600mAh; Input: 5V 1A Output: 5V 1A; Battery type: Polymer lithium battery; Package Contents:1 x 2600mAh Chocolate Power Bank Battery Charger with Keychain;1 x USB Cable;1 x Retail Box; Color: Blue