S7 Battery Case,Ruky [Newest Version] Galaxy S7 Battery Case 4500 Mah External Backup Battery Charger Combo Case For Samsung Galaxy S7,Portable Backup Power Bank Case with Kickstand - (Black) Compatibility: Perfect cutouts for Samsung Galaxy S7 ONLY.4500 Mah External Backup Battery Charger Combo Case For Samsung Galaxy S7. This Battery Case sports built-in battery which doubles the life of your Samsung Galaxy S7.Featuring a low profile and silm design,you will forget you are carrying extra power on the go.Cut outs for all the S7 features,use your phone without removeing it from the case. EASY INSTALLATION: Easily insert your Galaxy S7 into the MicroUSB output port. The Samsung S7 extended battery case uses a MicroUSB input port to enable recharging and data transfer. 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 Double the Power of the Galaxy S7Powerful 4500 mAh Li-polymer rechargeable battery can effectively provide 100%+ extra battery life for your Galaxy S7, which is equivalent to an added 25 + hours talk time or 14+ hours web browsing time.