Two USB-A ports and one USB-C port keep all your devices charged, providing up to 15W of power for your smartphone and two other accessories. Charge at up to 15W when using all 3 ports, adding up to an additional 40 hours of battery life for your smartphone. Binge movies, take video calls, and keep your navigation apps running all the way to your destination. An LED light indicates when the power bank needs recharging, and the included USB-A to USB-C cable lets you start charging right out of the box.  Maximum additional video playback hours calculated by comparing the mAh capacity of this power bank with the maximum video playback hours achievable by the iPhone 12 under normal conditions. Actual results will vary depending on varying factors for individual users.