The Ego blower I have is 615 cfm, which is at the higher end compared to most gas powered blowers (450-650cfm). However, the battery life isn't great, you get

The Ego blower I have is 615 cfm, which is at the higher end compared to most gas powered blowers (450-650cfm). However, the battery life isn't great, you get maybe 15 mins on a charge of those smaller 2ah batteries (but I have several along with a bigger 4ah mower battery). Perfectly fine for my yard, but not practical for a landscaper.