The UGREEN 25742 is a compact power bank with a 10,000mAh lithium polymer battery designed to keep your mobile devices charged on the go. It delivers a maximum output of 22.5W through its USB-A port and features a bidirectional USB-C port that handles both input and output at 20W, allowing you to recharge the unit itself in about 3 hours when using a compatible charger. Measuring 131.8 x 66 x 16.5 mm and weighing 217 g, this black portable charger fits easily into a pocket or bag and is approved for airline travel. A digital LED screen provides a clear view of the remaining battery percentage, while the V-0 shell and intelligent management systems protect against overcharging, short circuits, and overheating. It includes a 0.5m USB-A to USB-C cable, making it ready for use with smartphones from brands like Apple, Samsung, and Xiaomi, as well as tablets and wireless headphones.