REASONS TO BUY
Inexpensive
Great battery life
REASONS TO AVOID
Pitifully weak
Greenworks G-MAX 40V Review
The G-MAX isn't very expensive but we didn't think it was very good at all
The not so stand out Greenworks G-MAX 40V.
Credit: Jenna Ammerman
By Austin Palmer ⋅ Senior Review Analyst ⋅ July 11, 2019
Contributions From: David Wise & Jenna Ammerman
RELATED: The Best Leaf Blowers of 2025
Our Verdict
The Greenworks G-MAX 40V is an inexpensive blower that has an excellent runtime, is very ergonomic, and is one of the least loud products we have tested. In fact, it actually earned some of the highest scores of the entire group in three out of four of our metrics, which would lead you to think that the G-MAX should have earned an award or at least be a strong contender for one. Unfortunately, it did absolutely terrible in our power test, earning one of the lowest scores of the group and putting it in the back of the group overall. It might be an alright option if you don't want to spend a ton and only have extremely light debris to move, but if that's not the case, then we would definitely recommend going with a different product.
Our Analysis and Test Results
This product finished overall just a few points behind the Ryobi RY40460 and ahead of the Husqvarna 320iB. Both the Husqvarna and the Ryobi are substantially more powerful than the G-MAX, but the Greenworks has a way better battery life. Both the Husqvarna and the Ryobi are a bit more expensive but we would recommend either of them over the G-MAX unless you are just trying to dust off your porch or something similar.
We were not impressed with the power of the Greenworks. Credit: Jenna Ammerman
Power
Regrettably, the G-MAX distinguished itself for its power — namely, its lack of power.
For our first assessment, we measured how high the Greenworks could levitate a beach ball. It only managed to hold it at a distance of 22" from the nozzle, with the best blowers able to float the beach ball at heights of more than triple that.
The G-MAX is able to give the beach ball a small boost. Credit: Austin Palmer
In our sand test, the G-MAS only moved the sand a little more than 5' (64 inches). This is a drastically shorter range than the very best blowers, which could move sand almost 20' away!
A sub-par showing by the Greenworks. Credit: Jenna Ammerman
When clearing mixed debris from a section of our parking lot, the G-MAX did a pretty pitiful job. Its meager range means that you have to walk around quite a bit, and makes it really time-consuming to clean larger areas. It also struggles to move heavier items or dirt that is stuck on.
The G-MAX was a top performer for total run time. Credit: Jenna Ammerman
Battery
The Greenworks runs on a nominal voltage of 40 volts and includes a single 4 amp hour lithium battery. Starting with a battery with 100% charge, we were able to run the G-MAX for a whopping 38 minutes and 50 seconds — one of the longest runtimes of the entire group!
The charger and battery pack for the Greenworks. Credit: Jenna Ammerman
It's about average when it comes to recharging time for these products, with the included charger taking about two hours to completely refill a spent G-MAX battery.
The G-MAX is one of the lightest models we tested. Credit: Jenna Ammerman
Ergonomics
This cordless blower is one of the lighter models that we have seen, only tipping the scales at 6 pounds or so.
The G-MAX also has great balance, resting at a great blowing angle without much effort on your part at all.
The variable speed control is accessible by thumb. Credit: Jenna Ammerman
Even better, you can reach the dial speed adjustment without any issues when holding it like this. However, you do need to use your other hand to turn the blower on or off.
Noise
This leaf blower is fairly quiet for these products, only producing about 84.3 dBa for the operator. This drops off fairly quickly for bystanders, only registering 68.3 dBa for someone about 50' away.
The G-MAX will take twice as long, or longer, than the top performers to clear an area. Credit: Jenna Ammerman
Value
The G-MAX is fairly inexpensive, but it isn't very powerful, so it isn't the best budget buy out there.
An attachment for the G-MAX that seemed to hamper performance rather than improve it. Credit: Jenna Ammerman
Conclusion
We would readily recommend the G-MAX if it were a little more powerful, but we just can't get past its pitiful performance at cleaning up debris in our tests.
—Austin Palmer, David Wise, and Jenna Ammerman
You Might Also Like
