High capacity and fast charging:The 4200mAh Li-polymer rechargeable battery can effectively provide 150% extra battery life to your S6?? 2A output making your S6 fully charged just in about 3 hours.Certified by CE??FCC??RoHS.</br>Smart and safety design??Slim?? 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.</br>Charge and Sync support: Charge and sync phone while refilling your battery at the same time. No need to remove the battery case.</br>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.</br>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.</br></br>Product Description</br></br>Safety protection