Wirex UMA Slim Power Case for Samsung Galaxy S3 (Black)
Wirex UMA Slim Power Case for Samsung Galaxy S3 (Black) - UMAGALAXYSIIIPWRPACK
Built-In 2400mAh Li-Ion batteryOutput : 5V 600mACharging time: about 67H using cable supplied with phoneProvides protection while doubling battery lifeOpenings allow full access to phone functionsLED battery life indicatorRetail