. The Lenovo Go USB (Universal Serial Bus)-C Laptop power bank (20000 m Ah) is a game-changing solution for remote workers who need access to a large reserve of power for their USB (Universal Serial Bus)-C laptops & devices to achieve peak productivity. With a whopping 20000 m Ah capacity you can rapidly charge multiple devices even while you are recharging the power bank Key Product Info. 20000 m Ah capacity Dual USB (Universal Serial Bus)-C connection USB (Universal Serial Bus)-C charging support power-in & power-out USB (Universal Serial Bus)-A fast charging up to 18 W Fast charge with any USB (Universal Serial Bus)-C adapter fully charged in three hours Simultaneously chare up to three devices Supports pass-through charging Compatible with any PD 3.0 devices Built-in overcharge & safety protection