Ryobi 20 in. 40-Volt Brushless

5.0 Ah Lithium-Ion Battery Cordless Electric Lawn Mower

Final Score
Final Score
A score from 1 to 100 based on reviews all over the web combined with our team of experts.
3.9/5 from
 28 users
Ryobi 20 in. 40-Volt Brushless
We spent 7.4 hours reading reviews from customers and experts. In summary, here’s what users think:

7 reasons to buy

  • Experts applauded the Ryobi’s lightweight design that made the mower very maneuverable and easy to use.
  • The mower runs very quietly for owners who prefer mowing early in the morning or at night when its cooler.
  • Most purchasers appreciated the mower’s power. It can cut tall weeds thanks to its brushless motor.
  • Various users were pleased that the mower came with a 5AH battery and is equipped with an auto-sensing feature that extended the mower’s run time.
  • The mower is pretty much easy to assemble out of the box.
  • Many people liked that the mower takes very little storage space and can be stored vertically.
  • A few individuals found the mower very easy to clean.

2 reasons not to buy

  • A handful of reviewers mentioned that the mower did not cut very clean out of the box.
  • A user complained that the mulch plug has an awkward fit that causes the grass to get stuck in the plug area when mulching.

Bottom Line

The Ryobi 20 inch 40-Volt Brushless mower exceeded the expectations of many users. Consumers found that the mower has exceptionally good battery run time, a must for a cordless mower. With its various power-saving features, ease of use and mobility, the mower gained mostly praise from owners. However, despite the good reviews, some buyers found that the mower did not perform as well as its gas-powered counterpart in terms of how clean it cut. But all in all, it was regarded as a reliable cordless mower that can definitely get the job done.


Additional information



Cutting Width


, ,

Max Cutting Height

Min Cutting Height

Mower Type


Power Source



3 Years


55 lbs

Additional Info

Load-Sensing Technology, Telescoping Handle, Whisper-Quiet Design, LED Headlights

Video Reviews

3.9/5 based on
28 reviews

MFP - Driving Habits

MFP - Driving Habits

Ryobi Electric Lawn Mower- Positives and Problems -Review

Euro Video Productions

Euro Video Productions

Ryobi 40v brushless battery powered lawn mower review 2017



Ryobi 20" 40-Volt Brushless Lawn Mower Review – RY40180

Tips for Ryobi 20 in. 40-Volt Brushless

  • The mower’s blades are pretty dull out of the box. For a cleaner cut, it is recommended to sharpen the blades before using the mower for the first time.
  • Starting the Ryobi is different from a regular mower. To start the mower first push the start button then pull back the handle.
  • For large lawns of up to an acre in size, it is recommended to purchase an extra 40V Lithium-Ion battery for an uninterrupted mowing runtime.



Q: How easy is it to assemble the mower?
A: Assembly is pretty easy. Just unfold the handles and charge the battery.

Q: Is the mower self-propelled?
A: No, the mower is self-push but is very lightweight and maneuverable.

Q: How many batteries are included with the mower?
A: The mower comes with a single 5AH 40V Lithium-ion battery.

Q: How long is the battery run time?
A: The battery lasts on an average of 45 minutes to 1 hour depending on cutting conditions.

Q: Does the mower have a side discharge?
A: No, the mower discharges from the rear.

Q: Can the battery be used on other Ryobi products?
A: Yes, the battery is compatible with other Ryobi products that require a 40V Lithium-ion battery.

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