A laptop with no charger is like a chair with no legs. This charger made by Lenovo has an output of 65 W, so it'll easily take care of recharging your laptop. This original AC charging cable is designed for Lenovo laptops.
Lenovo 65W USB-C AC Travel Adapter Charger Key Features
Original charger from Lenovo may be used with Lenovo ThinkPad laptops
Charger can be connected to mains electricity
Total power output of 65 W
Package contains a power cord leading from the adapter to the mains