Galaxy S7 Battery Case, SinoPro 4200mAh Extended Battery Case Portable Charger Case Power Bank External Backup Battery with Folding Stand for Samsung Galaxy S7 (Black) This Battery Case sports built-in battery which doubles the life of your Samsung Galaxy S7.Featuring a low profile and slim design, you will forget you are carrying extra power on the go. Cut outs for all the S7 features, use your phone without removing it from the case. Cut outs for all the Samsung Galaxy S7 features, use your phone without removing it from the case, slim-fit battery casing chargers and protects your Samsung Galaxy S7 without bulk. 4200mAh rechargeable perfect fit your phone case, charging and protecting 2 in 1. Plug and Play Double Life: Built original new 4200mAh high-quality polymer batteries, Galaxy S7 can be doubled battery life, enough power to remove your troubles. Charge and sync phone while refilling your battery at the same time. Quality Batteries Intelligent Protection: 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. Perfectly compatible with Samsung Galaxy S7 ONLY. Life time warranty and sold by SinoPro.