Just Mobile Gum Max Duo™ is the supercharged backup battery for iPhone and iPad. With an 11,200 mAh capacity, the aluminum-clad Gum Max Duo™ will give you up to seven extra hours of iPad battery life. And with two USB outputs, you can simultaneously charge your iPad and iPhone. You can keep an eye on Gum Max Duo™’s remaining power using the 8-LED charge indicator, and recharge it using a stand USB cable. And with a colorful rubber sleeve providing protection on the move, you can be sure you’ll never run short of juice – wherever you are.