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.]

【130%+ MORE BATTERY LIFE】The powerful 5500mAh Li-polymer rechargeable battery case provides extra 48 hours talktime, 103 hours music time and 35 hours video time, fits well for Samsung Galaxy Note 8. With portable design, charging anytime and anywhere. 【CONVENIENT LED INDICATOR】With 4 LED battery level indicators, you can know exactly the power condition of the battery case through the LED color(0--25%--50%--75%--100%). With ergonomic handheld design, the charging case offers you a better grip experience. 【PROTECTIVE CHARGING CASE】The charger case is not only a portable charger, but also a protection for cellphone from scratches and other daily wear and tear. Internal high quality chips also protect your smart phone from overheating, short-circuiting and over charging.