With the 7,800-mAh ZENS Power Bank, you can easily supply your smartphone with new power when you're on the go. Thanks to its 7,800-mAh capacity, you can fully charge up to 2 smartphones without having to recharge the ZENS power bank. The 2 USB ports even allow you to charge them at the same time. Connect the right cable, and the ZENS power bank will charge any type of smartphone. The power bank itself can be charged wirelessly via a Qi charging point.