For Samsung Galaxy S5 i9600 4200mAh External Backup Battery Charger Case Replacement Rechargeable Spare Power Bank Pack Case for Samsung Galaxy S5 (4200mAh Red Case) This battery case has a unique design with perfect dimension that makes it among the best in the market. You need to know that it is very lightweight and convenient to carry whenever you go. It is very easy to install and remove off the battery. This means that you will always get a protective case which will make your phone very powerful. This often works as both an extended battery and a protection case. This means that you will always redefine the looks of your phone to a new level whenever you want it. This makes it also very cheap whenever you are buying it better than many other options that people often buy in the market.