[MFI Apple Certified] The powerful 4000mAh Li-polymer rechargeable portable charger battery can effectively provide 100%+ extra battery life to your iPhone 6 Plus / iPhone 6S Plus, which is equivalent to add 24+ hours talk time on 3G or 12+ hours web browsing time. 360° comprehensive bumper design and the hard-shell backplate, the Trianium Atomic S protects your iPhone 6/6S Plus from scratches and other daily wear and tear, yet small and convenient enough to fit easily in your hand or in your pocket. [Note: Upgraded reinforced bumper] Hassle-Free Charging Technology allows users to sync your iPhone to a computer without having to take the battery case off. Simultaneously charge your iPhone and battery case together with the included microUSB cable. The case deploys microUSB input to lightning 8pin output to save you $100+ on keeping multiple apple cables. The resilient design of the Trianium Atomic S iPhone Charger features LED battery level indicator that lets you know exactly how much power you have and a softer side that safely holds your iPhone while providing easy access to all buttons and ports. Trianium iPhone 6/6S Plus Battery Case works with iOS10 and all future updates Lifetime Warranty from Trianium to ensure our products work the way you need them to.