Anker 2200mAh case battery charger provides 80 percent battery boost to your iPhone 6 and 7. Buy this case battery charger from Souq.com. Get 80 percent battery boost with the Anker 2200mAh Battery Case for iPhone6/6s. This PowerCase cover will just add a thickness of 0.23inch to your gadgets and offer you more than 10 hours of video watching or browsing time. It is made of flexible silicone material that allows for easy setup. The cover gives you complete access to the power and volume buttons. It is MFi Certified that means it will work safely with your iPhone. It is compatible with iPhone 6, 6s, and 7.