BSWHW Rechargeable Backup slim Case Battery 3500mAh with Pop-out Kickstand Power Bank for iPhone 6 iPhone 6S Charger for iPhone 6/iPhone 6s/iPhone 4.7" Battery Charger Case (Ink) This powerful battery case can more than double the usage time on your iPhone 6.Charging method of built-in Lithium battery Ultra Slim External Power Source for your Apple iPhone 6 (4.7 inches) 2017 Release External battery charger charges and carries a spare battery for on the go use when your phone is running low on battery life Swap your low battery for a fully charged one to get your phone.It is suitable for the stand by power supplies to travel, tourism, long distance business in car and ships, field work or power outage environments. It is luxury, elegant, small, portable. Extra Battery Charging Station, 3500mAh Standard Battery ,*Cables are NOT included