Nucharger 4000mAh Sleek Design External Battery Case for iPhone 6s Plus/6 Plus Compatible (5.5") Power Pack with LED Indicator, Free Tempered Glass and Ring Holder (Black) Charging On The Go: This external charging unit is for your iPhone 6 plus or 6s plus 5.5 ONLY with convenience, easy to use, high capacity. Press the power button and charge the whole night to get your phone and battery case both at full capacity. Extended Battery Capacity: provided at 4000mAh (14.8Wh) allows you to use your iPhone 6 plus or 6s plus with more than one full battery life extra throughout the day without any interruptions. With NuCase, you do not need to worry about no enough battery to surf online, use GPS, take pictures or watch videos. Sleek and Lightweight design it is easy for you to carry. NuCase provides maximum convenience and extended battery life. It uses Apple lightning cable to charge. Your phone has never been easier and cooler to get charged for everyday Protect the back and the front of your phone with this case and the bonus tempered glass. It is essential for all iPhone 6 plus or 6s plus users.