【200%+ MORE BATTERY LIFE】The powerful 5000mAh Li-polymer rechargeable battery case provides extra 28 hours talktime, 80 hours music time and 26 hours video time, fits well for iPhone 7/8. With portable design, charging anytime and anywhere. 【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. 【EASY INSTALLATION & SYNC TECH】Carefully insert the battery connector to the charging interface, and press cellphone into the case, easy to charge your phone by short pressing the power button. It supports syncing data to your Macbook, PC or laptop and charging your cellphone simultaneously without removing it.