RUNSY HTC ONE M8 Battery Case, 3200mAh Rechargeable Extended Battery Charging Case for HTC ONE M8, External Battery Charger Case, Backup Power Bank Case with Kickstand and Flip Cover (Black) Charging and protecting, 2 in 1 function. Super fast charging. Your HTC ONE M8 will have full power within 2 hours. You can charge your HTC ONE M8 and the battery case at the same time. Built-in short circuit and overcharge protection Integrated power switch allows you to turn on/off the battery case quickly. 4-light LED indicator shows the power status of the battery case. And each light represents 25% of the power Ultra-slim design with accurate cut-outs. Its perfect for traveling and outdoor activities. You can also easily access to the buttons and ports of your HTC ONE M8 without removing the battery case through the accurate cut-outs Made of high quality material, unique and comfortable tactile impression. Protect your phone from bumps, scratches and dust Built-in 3200mAh battery, high efficiency and high conversion rate. Ideal for long distance journey and business trip