For a quick power solution when your phone battery is dying, connect it to the MiPow Power Tube 3000mAh Portable battery with a Lightning Arm. With sleek aluminum housing, the Power Tube features a lightning connector arm that will directly charge your new apple products, eliminating the need for extra cables. The built-in USB port allows you to charge a variety of other devices for versatility. When left behind you can check on the status of this power bank through the JuiceSync app. Get temperature and charge alerts letting you know the exact status of your charger.