【PROFESSIONAL DESIGNED】: The large powerful built-in lithium polymer battery for 6 Plus /6s Plus /7 Plus /8 Plus, keep your phone charged the entire day with the over charge protection and integrated circuit design. 【EXQUISITE】: 4 Level LED Power Indicator--featuring with the LED battery level indicator letting you know exactly the power you have (0--25%--50%--75%--100%); besides, you could switch on/off your the power switch easily. 【HANDS FREE KICKSTAND & MAGNETIC CAR HOLDER】: Integrated holder grip rotates. Hands free kickstand phone holder stand, Fully adjustable with 360°rotation provided more convenience while you driving. Supports magnetic car holder usage.

More Power - Featuring a 4500mAh Li-polymer rechargeable battery that can provide 100%+ extra battery life for your Galaxy S8. Equivalent to 24 hours of talk time or 16 hours of web browsing. (Compatible Galaxy s8 2017 ONLY) Durable Design - Protects your Galaxy S8 from scratches and wear and tear due to 360 degree comprehensive bumper design and hard-shell backplate. Unmatched Accessibility - Quick-charge sync-through technology easily lets you sync to your computer without removing the case. Charge your Samsung Galaxy S8 and battery case simultaneously. [ For Optimal Charge, please use your original Samsung stock cable to charge the battery case and your phone. No additional cable is included.]