{Factory Direct Sale} 4200mAh External Backup Battery Pack Power Charger Case Rechargeable Full Protection with Viewing Stand for HTC One M7 801e 802w Black

This case is built-in rechargeable li-polymer battery for HTC ONE [M7]
Simply dress it on your phone, you¡¯ll own extra external power.
Micro input charging port convenient it to charge from PC, AC/DC adapters just with an extra Micro USB cable (not included)

LED battery charge indicator lights and on / off button
Dual IC chips protection, anti overcharging, anti over discharging, anti short circuit
FCC / CE / Rohs / UL certifications approved

Connector type : Micro-USB
Battery Types: Extended Battery Cases
Battery Type: Li-Polymer
Battery Capacity: 4200mAh
Input: 5V / 800mA
Output: 5V / 1A