The Lenovo Go USB-C Laptop Power Bank (20000 mAh) is a game-changing solution for remote workers who need access to a large reserve of power for their USB-C laptops and devices to achieve peak productivity. With a whopping 20,000 mAh capacity, you can rapidly charge multiple devices even while you are recharging the power bank. 20,000mAh capacity; Dual USB-C connection, 1 x USB-C port + 1 x USB-C integrated cable; USB-C charging support power-in and power-out; USB-C charging support power-in and power-out; 1 x USB-A fast charging up to 18W; Fast charge with any USB-C adapter, fully charged in 3 hours; Simultaneously charging up to 3 devices; Supports pass-through charging; Compatible with any PD 3.0 devices; Built-in overcharge and safety protection