Galaxy S8 Plus Battery Case,WONFAST Portable 5000 mAh Rechargeable External Battery Charger Protective Charging Case Juice Pack Power Bank Cover for Samsung Galaxy S8 Plus (2017) (White) Built-in 5000mAh Li-polymer rechargeable battery can effectively provide 130%+ extra battery life to your Galaxy S8 Plus phone. A great source of 28 + hours talk time or 13+ hours web browsing time on the go when you need. Charging & Protecting 2 in 1.--With high class material, the battery casecould protect your Galaxy S8 Plus from scratches and other daily wear and tear, small and convenient enough to fit easily in your pocket or hand. 4 Level LED Power Indicator. --With the features of LED battery level indicator letting you know exactly the power you have (0--25%--50%--75%--100%); besides, you could switch on/off your S8 Plus battery case with the power switch. Perfect Fit Your S8 Plus Phone. --Specially designed for Samsung Galaxy S8 Plus, the external battery charging case has precise cutouts for speakers, charging ports, audio ports and buttons. You can sync your phone to computer without taking the battery case off. Sold by WONFAST and WONFAST offers 12-month hassle-free warranty to guarantee an extra peace-of-mind using for your Galaxy S8 Plus Battery Charger Case.