iPhone 6 plus/6S plus Battery Case,External Protective Case Backup Pack Cover Charger Portable Charger Ultra Slim Extended Battery ROOP with High-Capacity Battery Series Charger for Apple(5.5" black) Longer Battery Life: 2800mAh capacity provides an extra 14 hours 3G talktime, 9 hours video, 10 hours web browsing or 2.5 hours 3D gaming to your iPhone 6 plus/ 6s plus Impact Protection: Works as both an external Phone battery set and a protection case. The battery case protects your iPhone from scratches, fingerprints, smudges ,bumps and other daily tear and wear 0-90install angle: you can install your iphone6/6s to the battery case easily,the max angle to install the iphone is 90very flexible, no damage to your lightling port This iphone 6 plus/6s plus charging case allows you to sync iPhone to a computer without having to remove the charge case. (charged & synced concurrently)Simultaneously charge your iPhone and battery case together with original iphone 6 Apple's lightning cable .When charging,the phone will be full charged first Compatible with both the iPhone 6 plus and iPhone 6s plus and works with ios8 and all future updates the powerful 2800mah li-polymer battery