22.5W Fast Charging:Built-in USB-C 22.5W bidirectional charging interface, which is supported PD 20W to fast charge iPhone 17/16/15 and it only takes 30 minutes to fast charge iPhone 17/16/15 from 0% to 50%. Mini & powerful: The size of lipstick, but with a large capacity of 5500mAh(With enough capacity for a complete iPhone 17/16/15 charge), the iWALK fifth-generation plug-in portable charger. Dual-way to Charge: You can either plug the USB-C interface directly into a charging socket or use the charging cable to connect the socket to the charging port. The LED digital display shows the battery capacity percentage of the power bank, so you can see the remaining power at any time. Three charging modes: Fast Charging Mode: Experience rapid charging with a powerful 22.5W output. Energy Saving Mode: This can reduce energy loss during charging and maximize available power. Low Current Mode: Ideal for small electronic devices such as watches and headphones.