Compatible with USA Carrier such as T-mobile, At&t, Sprint, Verizon, Metro PCS, Boostmobile, and more.
Built with a powerful 5000 mAh Li-Polymer rechargeable battery that will provide 100% extra battery life to your iPhone with protective cover case. 
Charge and sync your phone to your MacBook, PC or laptop, no need to remove battery case. Smart charge design, charge your battery case and phone simultaneously with your original lightning cable.
Featuring with LED battery level indicator, which could let you know exactly how much power charged or left ; You could just switch on/off your battery case with the power switch easily.
 
Always power on, never offline. This external protective portable charger battery case power pack is designed to improve them performance and battery life for your phone. It is suitable for the stand by power supplies to travel, tourism, long distance business in car and ships, field work or power outage environments. It is luxury, elegant, small, portable.