Key Features Rechargeable 6,000mAh universal battery Slim, easy-to-carry design and aluminum finish 2.1 ampere output-charge smartphones or tablets Talk, play and browse longer than ever with the new mophie power station universal battery. This 6,000mAh universal battery is packed with more power than ever. Get more than two additional charges on your smartphone or keep your tablet charged longer for more reading. Two USB ports let you charge multiple devices. The slim design and premium aluminum finish make this pocket-sized model easy to carry. mophie products go through rigorous testing. Each battery is tested three times to ensure peak performance and safe operation. This is the reason why mophie is the #1 and most trusted brand in portable power.