mophie juice pack reserve - Lightweight and Compact Mobile Protective Battery Case for iPhone 6/6s - Black LONGER BATTERY LIFE - With a push of a button your iPhone gets 60% extra battery life. Press the juice pack's status button when your iPhone only has 20% life left. Let the case do the heavy lifting and power your phone through the rest of the day! Thanks to the built-in rechargeable 1,840mAh lithium-ion polymer battery you get an additional 22 hours of talk time, 16 hours of internet use, and 17 hours of video playback. HIGH IMPACT PROTECTION - It happens to everybody, your phone accidentally drops from the bed or table top. It's a mortifying experience to see your expensive iPhone damaged. Guard your phone from drops, and scrapes with the juice pack reserve. Its built-in rubberized support pads protect your phone from every day wear and tear. The Level 2 Protection indicates that the case can securely protect your phone from drops and hard falls. PROTECTION AND CHARGER IN ONE PRODUCT - Why stop with just a protective case when you can also have a built-in charger? The juice pack reserve doesn't just protect your iPhone from scratches and falls, it can add battery life as well! You don't need to bring bulky power banks or chargers around anymore. COMPACT CASE DESIGN  This is the most compact battery case for iPhone 6 that mophie has designed. It adds only .3 inches to the thickness of your phone, and weighs in at under 3 oz.! Even with its distinctly thin and lightweight design, it still provides superior protection. EFFICIENT CHARGING TIME - Using the included micro USB cable, connect your juice pack to a power source. You can plug it to your computer or any other power source with a USB port. You can even use it with your iPhone charger. What's great about the juice pack reserve is that you don't need to remove your phone from the case. Simply leave your phone in the case while charging as it will charge both together! Charge Vault Technology