Charge up to three devices at once using the Power Boost XL 20,000mAh Portable Battery Pack in cobalt blue from mophie. With 20,000mAh of capacity, the Power Boost XL charges through its USB-C port and outputs through the same USB-C port as well as the dual USB-A ports. Made for travel, this battery is perfect for phones, tablets, and other on-the-go devices. Monitor remaining battery life with the LED power indicator on the side. This pack holds up to 4.8 phone charges based on mophie's testing with an iPhone 12.