Galaxy S6 Battery Case - UNU DX for Galaxy S6 3600mAh Portable Charger Rechargeable External Protective Battery Pack Power Juice Bank Cases for Samsung Galaxy S6 - Black/Black Ultra-slim style rechargeable 3600mAh battery case provides your Samsung Galaxy S6 an additional 100% power which is equal to 25 hours of talk-time Protective design provides added defense against scratches, fingerprints, smudges and bumps. Fully compatible with Samsung's Quick Charge Technology. Charge and sync the Galaxy without having to remove the battery case. Raised edges around screen keeps the screen clean when placed face down.