Galaxy S6 Battery Case, SQdeal 4200mAh Slim Fit Portable Rechargeable External Backup Power Bank Battery Charger Case Shockproof Protective Cover for Samsung Galaxy S6, Built-in Kickstand (blue) This Battery Case sports built-in battery which doubles the life of your Samsung S6.Featuring a low profile and silm design,you will forget you are carrying extra power on the go.Cut outs for all the S6 features,use your phone without removeing it from the case. Only for Samsung Galaxy S6,slim-fit battery casing chargers and protects your S6 withoue bulk.4200mAh rechargeable perfect fit your phone case, charging and protecting 2 in 1. 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. 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.