Battery Case for iPhone 6s Plus/6 Plus/7 Plus/8 Plus,4000mAh Portable Charging Case External Battery Pack

This rechargeable powerful high capacity 4000mAh iPhone 6s Plus/6 Plus/7 Plus/8 Plus Li-polymer backup charging case can effectively provide 200% +extra battery life for your phone,up to 17 hours Talk time, 12 hours on web browsing time ,60 hours lis, This rechargeable powerful high capacity 4000mAh iPhone 6s Plus/6 Plus/7 Plus/8 Plus Li-polymer backup charging case can effectively provide 200% +extra battery life for your phone,up to 17 hours Talk time, 12 hours on web browsing time ,60 hours lis, Built in internal high quality chips can prevents your phone battery short-circuiting, overheating and over-charging. 360° full bumper design and hard shell back to protect your phone from scratches and other daily wear and tear(Not include phone scr