Mophie Powerstation 4000mAh 2.1A External Battery Charger for iPad, iPhone, iPod touch, DROID, HTC and BlackBerry - Travel Charger -Black (Certified Refurbished) Special high out battery that allows for fast charging. Please use the Mophie Original cable to charge this device. Otherwise it will not charge up. Capable of switching between 500mAh, 1A, and 2.1A charge Ability to charge virtually any USB device in the world. Charges Apple, Android, Blackberry and other devices Sleek, Red soft-touch finish with stainless steel outer band. We would suggest to fully charge the mophie device fully before charging any other device into the mophie