RYOBI RY18CS20A-125 18V cordless chainsaw 20 cm bar, 1 battery includedIdeal for cutting small logs and pruning trees The cordless engine has all the advantages of an electric or gasoline tool, but with the convenience of a cordless tool for working freely and without the need for periodic maintenance and odor emissions.An included 2.5Ah lithium battery provides 20 minutes of work time that can be recharged in 1 hour and 40 minutes. Compatible with other battery-powered products in the same line.