Galaxy S7 Edge Battery Charger Case 5200mAh,kiwitat&aacute;&reg; S7 Edge External Back Protective Case,Extended Removable Charging Battery Backup Packs Cover for Samsung Galaxy S7 Edge[Ultra Slim]-Black Only for Samsung Galaxy S7, slim-fit battery casing chargers and protects your S7.4200mAh rechargeable perfect fit your phone case, charging and protecting 2 in 1. Output:5V/2000mA.Capacity:4200mah,Micro USB 2.0.Charging time:5 hours Plug and Play Double Life: Built original new 4200 mA high-quality polymer batteries, Samsung mobile phones can be doubled battery life, enough power to remove your troubles. Charge and sync phone while refilling your battery at the same time. Frame has built in cutout for all functionality buttons and camera cutout to maximize your picture or video taking experience. Quality batteries intelligent protection: imported batteries, with high energy density, no memory effect, high conversion rate, slow decay, long life and other advantages of high security features. 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.