UGREEN PB205 25000mAh 145W Two-Way Fast Charging Laptop Power Bank is a high-capacity portable charger designed for laptops, tablets, and mobile devices. Equipped with premium 21700 lithium-ion battery cells, it features two USB-C ports and one USB-A port capable of delivering a maximum combined output of 145W. The primary USB-C port supports up to 140W (PD 3.1) single-port output to charge power-hungry laptops, while supporting 65W fast self-charging to replenish the power bank in approximately 2 hours.