The Oregon 40V MAX chain saw is designed with all the battery muscle you need to get the job done. It runs cleaner, quieter and is free from the hassles of gasoline or cords. Pull the trigger and you have an instant start and long run time. Just charge the Oregon PowerNow battery pack and you are always ready to go with lithium ion no-fade power. Created by the world’s leading manufacturer of saw chain, Oregon offers exclusive innovations, such as the PowerSharp precision saw chain sharpening system built into the chain saw. Now with brushless motor technology, the CS300 offers the run time you need and the power you demand.