Galaxy S7 Edge Charger Case, Wuloo [Premium Version] Battery Case 6000 mAh External Backup Battery Charger Cover Case Rechargeable Power Bank Case for Samsung Galaxy S7 Edge (Black) Premium Version: 6000 mAh rechargeable battery perfect fit your Samsung Galaxy S7 Edge, charging and protecting 2 in 1. Slim-fit Design: Featuring a low profile and slim design,cut outs for all the S7 Edge features,use your phone without removing it from the case, you will forget you are carrying extra power on the go. Plug and Play Double Battery Life: Built original new Premium 6000 mAh 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. Quality batteries: High-quality 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 overcharge and over discharge even under extreme operating conditions, according to the fault errors, which can effectively protect your phone.