mophie powerstation plus 8X 12000 mAh with Micro USB is an industry leading portable battery for charging your smartphone and all other micro USB devices. Made with Charge Vault technology this battery enables products to hold their charge for an extended period of time, making them more reliable than other external batteries. Smart charging circuitry always provides your device with the perfect amount of power for a safe, quick charge. Integrated Lightning cable makes charging and syncing your device easy and eliminates the need for additional cables. mophie powerstation plus 12000 charges your smartphone 2-4 times faster than typical smartphone chargers.The built-in charge and sync cables are always available and when you’re not charging, they store neatly behind the hinged, aluminum top cover for a clean, streamlined appearance. Need some extra juice this battery will add about 13.5 additional hours to your tablet and 83 hours of use to your smartphone.