RAVPower 10050mAh Portable Charger (2.4A Output, 2A Input, iSmart Technology) Power Bank External Battery Pack for Smartphones Tablets and More &ndash;Black Fastest Charging: 2.4A output lets you quickly charge tablets or smartphones; while 2A input means the portable charger takes half the time to charge itself compared to traditional 1A chargers Exclusive iSmart Technology: Detects the optimal charging current your device needs then supplies it (i.e. delivers a 1A charge for phones that have 1A charging input) Compact Portability: Pocket-sized with a 10500mAh battery means you can charge an iPhone 6 almost three times and give an iPad Mini one full charge from any location! Unique Design: Smooth, ebony varnish allows you to power up in style, while 4 status LEDs keep you informed of remaining battery capacity Protection Guarantee: This portable charger will automatically shut down if a short circuit or overload output occurred while unit is charging. Can be charged over 500 times without the battery losing effectiveness