Greenworks 40V 21 Inch Cordless Electric Lawn Mower Review

Greenworks 40V Lawn Mower Specs & Review

Greenworkes 40V 21 Inch Cordless Lawn Mower is best and recommended electric mower. It comes with one battery plus charger and also have another slot for spare battery. The second slot does not charges the battery, it only stores the spare battery.

There is a little safety switch in front of battery, if you are working with blade you can detach the switch.

The best feature of this device is, the grass can come out from side pocket or you can also attach bag at backside which is come along with package.

Another best feature is you can adjust all 4 wheels height at a time with one wheel adjuster.

Greenworkes 40V Cordless has smart variable speed, it provide more power when you cut high grass and slow its down and turns out the power when you cutting low grass to save power.

When it starts its really don’t have serious noise, it’s only has sound equals to fan. It can also be folded up and lean against the wall for easy storage that’s really nice since it is not gas mower you can lean it vertical and it not gonna cause a problem.

The 40V Mower is enough to cut down normal sized lawn grass two time with a single battery charge. It is far batter as compare to gas mower because it’s lighter, quieter and you don’t have to breath stinky exhaust smell.

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  • Brushless mower provides better torque
  • Collapses for easy storage
  • USB charging port
  • It can set up as a bagger, mulcher or side discharge
  • Batteries

  • Not self-propelled
  • No smart charge system
  • Strains in thick grass
  • Narrow cutting path



Nowadays,  battery-powered lawnmowers are considered more powerful and applicable as compared to gas mowers. The best thing about them is that these mowers are lightweight. Battery powered mowers are ideal for normal sized lawns. Greenworks M-210 21″ 40V Brushless Push Mower consists of a dual battery 20V system having brushless mower transfer.

Greenworks 40V Lawn Mower Specs & ReviewThe best part is that you can charge it through a normal USB port. A port commonly used for charging smartphones, computers and various other devices. Greenworks M-210 21″ 40V Brushless Push Mower lacks smart charger.

Which means you need to check its battery level during charging. Just disconnect the charger when charging gets full. Greenworks is well known for offering trimmers and numerous other yard appliances as well.


  • 40V battery powered electric
  • USB charging port
  • Brushless drive Can set up as a bagger or mulcher
  • Collapses for better storage

More About Cordless Electric Lawn Mower

One thing you need to know that this battery powered mower is not self-propelled. Greenworks M-210 21″ 40V Brushless Push Mower is lightweight and portable as it only weighs around 65 pounds or so. Thanks to its brushless drive motor, which enables it to produce more torque.

Obviously, if you set it up for mulching and rive it fast, it will miss some part of the grass.  Normally, it can cover almost one-third of an acre easily. I will diffuse more rapidly if the grass is larger or wetter. Due to its portability, it is easy to use and does not require a lot of power to push it.

Greenworks 40V Brushless Push Mower
Greenworks 40V Brushless Push Mower

Moreover, you can hang it up on the wall easily. There is always a risk of potential damage while charging. Its battery heats up when its charging maxes out. You need to be patient during mowing session if you pushed it bit fast, it will leave behind strips of uncut grass. It can be set both for mulching and bagging.

When you will set it for mulching, you need to have an eye on the size of blades it leaves behind. Check the level of the filled bag, if you set it up for bagger. As it fills up more clippings, Greenworks M-210 21″ 40V Brushless Push Mower’s weight will increase accordingly. Which in result affects its cut. These mowers come with four years and two years warranty on the batteries.

Final Verdict:

Apparently, if we compare battery charge mowers with gas mowers, then battery powered mowers will dominate the market. As battery powered mowers are more cost-effective, lightweight, portable and easy to use. Greenworks offered Greenworks M-210 with some brilliant features including 40V battery powered electric, USB charging port, brushless drive and most importantly. You can use it as mulcher or bagger.

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