TeckNet iEP387 7000mAh Dual-Port 2.1Amp External Battery Pack and Charger for ipad, 3rd Gen ipad, iPad2, iPhone 4S 4 3Gs 3G, iPod Touch -1G to 5G, Android -Samsung Galaxy Note S S2, HTC Sensation EVO Thunderbolt, LG Optimus V, Blackberry -Bold curve Torch, Droid-Motorola Razr)\, Plus Major Tablet PCs with 5V input -Samsung, Blackberry, HTC