Spigen Essential Volt Pack iPhone 6S Battery Case iPhone 6/6s External Charger Case/Portable Charger MFi Apple Certified Charging Case for iPhone 6/iPhone 6S 3100 MAH - Black

The Volt Pack battery case takes convenience to another level, combining portable power and protection. Its slim and simple design maintains a secure fit that's lightweight yet packed with 1.5 times the power of your iPhone. Extra features such as LED indicators and interchangeable frames only better an already amazing mobile necessity.