60-Volt battery and charger sold separately 540 max CFM comparable to a 32 cc gas blower Up to 540 CFM and 140 MPH to blow through dry/wet leaves and debris Battery and Charger Not Included. With incredible blowing force of 140 MPH max air speed and 550 CFM max air volume. he powerful Greenworks Pro 60V UltraPower cordless battery platform gives you all the power you need to tackle all your lawn care projects.