Samsung S8 Battery Case this 5200mAh rechargeable battery case provides an extra 140% battery life to your Device to keep you going throughout the day, essential for travelling, camping, hiking, and business trips. Designed with Type-C port, You can charge your phone and case at the same time, this smart Power Switch allows you to switch the charging case on and off, use the battery only when you need it. 4 colours LED light allows you to accurately keep track of remaining power in your battery case(0--25%--50%--75%--100%). Made with a flexible soft frame and a hard shell backplate, offering 360° edge coverage and collision absorption, protects your phone from scratches and other daily wears and tear, yet still offers easy access to all buttons and ports, small and convenient enough to fit easily in your hand or pocket. Built-in intelligent protection IC can effectively prevent a short circuit or overtime charging, overcharge and over-discharge. Besides, The first-class lithium-ion polymer cells guarantee the most efficient charge.