Samsung Wireless Portable Battery 10Mah 25W Silver EB-U3300X

This battery pack supports up to 25W with Super Fast Charging, giving you a quick boost
Fast charging, no cord required
In addition to its Super Fast Charging via cable, you can rest your phone on the pack to get a wireless recharge. Powering up to 7.5W, it can wirelessly charge a range of devices, so you can share with a friend, even if they don't have Galaxy.
Power up your devices all at once
With both a wireless pad and two wired charging ports, you can charge up to three devices in one go. It supports a variety of protocols to be able to charge your Qi-certified phone, Galaxy Watch, and earbuds