With the 3,000mAh ZENS power bank, you can give your smartphone a quick energy boost when you're on the go. Thanks to its 3,000mAh capacity, you can fully charge 1 smartphone without having to recharge the ZENS power bank. The 2 USB ports even allow you to charge two devices at the same time. Connect the correct 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.