Just Mobile Gum Plus 5.200 mAh Li-Ion Battery, Black

The Just Mobile Gum Plus (Black) is a stylish portable backup battery for iPod, iPhone, iPad and USB-powered devices. Unlike most backup batteries, the Gum Plus is Apple-certified - its high-power USB output is enough to charge an iPhone to 90% in just one hour. And because it can store up to 5.200 mAh of power, the Gum Plus will recharge the iPhone up to three times before needing more juice. With its rounded aluminum case and five LED power indicators, the award-winning Gum Plus is a truly stylish way to pack a power up.