The Powerbase 40v cordless chainsaw provides a lightweight and practical solution for your cutting requirements. It comes supplied with two powerful 20v, 2.5Ah batteries (both batteries have to be inserted into the machine when in use) and a 2 hour dual port charger. The chainsaw is supplied with a quality 35cm Oregon bar and chain providing excellent cutting performance and longevity. It has a tool free chain tensioning function and being cordless you can take it anywhere. For your added safety the chainsaw has anti kick back brake system.