for 6 plus 6s plus power case KUNER Ultra Slim Extended Battery Case+16G Memory for iPhone 6/6s plus 2400mAh Capacity power bank (Glod ) with `16GB memory increase It's not only a case cover ,but also a 2400mAh power bank Perfectly fits for your devices. easy to take ,very think , really light . instead of take a heavy power bank . Authorized by Apple