iPhone 6s Plus Charger Case 5200mah Backup Battery Extended Case for iPhone 6 Plus/6s Plus 5.5 inch by ISAKO Built-in Media Holder Retail Package (Green) LARGE CAPACITY: 4000mAh Li-polymer rechargeable battery case can provide 150%+ extra battery life to your iPhone 6 Plus/iPhone 6s Plus 5.5 inch. LIGHTWEIGHT: 0.33 Pound urltra-light iPhone 6/6s Plus battery case, best for traveling or outdoor. FAST CHARGE: Full charge your iPhone only takes 3-3.5 hrs, the same time needed to full charge the external battery case with the lightning cable( Not included). PROTECTION: High quality material protect your iphone 6 Plus, 6s Plus, Charging and protecting 2 in 1. NOTE: We are committed to deliver best-in-class services to our customers, so any problem, please feel free to contact with us.