Awei Power Bank P67K Smart Charge, no need to change, all you need to do is connect with the phone. It can charge It Cames with a USB cable Double output: you can charge two devices at the same time. So you can share them with your family or friends Mobile charger with an ultra-high capacity: 10000 mAh. You should never have to worry about that your mobile phone will be out of power Intelligent Digital Display gives you an overview of the remaining power with included number intuitive that allows you to make better use of your experience.