S7 Battery Case,Elebase External Rechargeable Charging Pack,4200mAh Protective Portable Backup Charger Case with Kickstand for Samsung Galaxy S7(Not for S7 Edge)(White) High capacity and fast charging:The 4200mAh Li-polymer rechargeable battery can effectively provide 150% extra battery life to your S7, 2A output making your S7 fully charged just in about 3 hours.Certified by CE,FCC,RoHS. Smart and safety designSlim, durable and flexible design, with easy access to all buttons and ports. Unique sliding design for easy installation and removal. It also has a hidden kickstand. Charge and Sync support: Charge and sync phone while refilling your battery at the same time. No need to remove the battery case. Plug and Play Double Life: Built original new 4200mAh high-quality Li-polymer batteries, Samsung mobile phones can be doubled battery life, with enough power to remove your troubles. Quality batteries intelligent protection: Integrated circuit design with intelligent protection IC, can effectively prevent a short circuit or overtime charge, overcharge and over discharge even under extreme operating conditions, according to the fault errors, which can effectively protect your phone.