Moving up to the 40V Ryobi blowers, we see the CFM take a big leap. That's to be expected since these are more powerful and expensive blowers. While the 18V blowers cap out at 510, the 40V blower ...

In a review on the Ryobi website, one user estimated that with the same battery, their leaf blower worked for only 10 minutes at full power, and how long it takes to charge depends on the charger.