One standout is the LH-CS-4001 a cordless chain saw that has an impressive 16 - inch designed specifically as a tree saw, This falls in the high end category of cordless tools. This has a brushless motor, so that is great. It is more efficient, produces less heat and has very long life compared to the normal motor. In addition, the lithium – ion batteries offer mobility which allows for cordless work. This makes it a solid option for everything from professional forestry work to home tree trimming.