1 Portable Accessory: During traveling or business trip, you can carry it in your pocket, briefcase or backpack to charge your phone at any time. 2 Emergency Charging: You can charge your phone no matter where you are, less limitation for your movement. 3 Protective Function: Adopts overvoltage and overcurrent protection, taking full care of your mobile phone and phone battery. 4 Wide Application: Suitable for all kinds of mobile phones, and can charge MP3, MP4, camera, tablet computer and other products by changing different connection cables. DC 5V universal power supply. 5 Display Screen: LCD screen can display battery voltage current value, battery remaining power. It can easily power other devices.The capacity is 4 batteries, and batteries are not included.

What's in the box
1 x DIY Power Bank