Ryobi RY40190 Review

20-Inch 40-Volt Brushless Lithium-Ion Cordless Battery Self Propelled Lawn Mower


Final Score

3.7 / 5 from 48 users

Ryobi RY40190 | Tools Official
Ryobi RY40190 | Tools Official
Ryobi RY40190 | Tools Official


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We spent 6 hours reading reviews from customers and experts. In summary, here's what users think:

10 reasons to buy

  • A large number of reviewers love that the Ryobi RY40190 runs so quietly.
  • Most purchasers appreciated that cutting height was easy to adjust via a single lever.
  • The mower is lightweight and is very maneuverable.
  • Various users were pleased that the mower took up very little storage space and folded down easily.
  • A good number of users appreciated the availability of a second battery compartment to make changing batteries easy and convenient.
  • The mower is easy to start with a simple pull of a lever and push of a button.
  • Its self-propel feature makes mowing slopes easy.
  • Various users were pleased with how easy it was to change the mower's setting from bagging to mulching.
  • The mower has good power and was not noted to bog down.
  • A couple of users liked that the mower automatically adjusted speed depending on grass thickness without affecting cutting quality.

1 reasons not to buy

  • At least one purchaser mentioned that the batteries drained quicker than expected when engaging the self-propel feature.

Bottom Line

Ryobi’s self-propelled battery-operated mower the RY40190 is met with much enthusiasm. Many love the overall aesthetic look, its various cutting features and freedom from the regular maintenance of gas-powered mowers. Owners commended the RY40190 for being so efficient and easy to use. Everything from cutting/mulching setting to cutting height and speed is either automated or simplified. The only drawback so far was the battery drain when using its self propel, which is a given. Ryobi smartly added a second battery compartment to make carrying and switching to a fresh battery easy as well. Overall, the RY40190 comes highly recommended and is definitely a good buy.


Cutting Width (in)20 inch
FeaturesElectric Start, Mulching, Bagging
Max Cutting Height4"
Min Cutting Height1-1/2"
Power SourceBattery
CategorySelf Propelled Mowers
Warranty5 Years
Weight55 lbs
Additional Info5.0 Ah Battery and Charger Included, Rear Wheel Drive, Gas Like Power, LED Light, Telescoping Handle

Video Reviews

Tips for Ryobi RY40190

  • Battery life will depend on self propel usage and grass height and thickness. It is recommended to purchase a backup battery to ensure uninterrupted use.
  • For the best cuts, sharpen the blades before the next season.


  • Q:

    Can the Ryobi RY40190 be used without the bag?

  • A:

    Yes. The mower can be used without the bag. Simply insert the mulching plug after removing the bag and you’re all set.

  • Q:

    Does the battery charger have a 110v input or 110v to 240v input?

  • A:

    The battery charger has an input of 110v only.

  • Q:

    Do you need to keep the batteries attached to its charger over the winter?

  • A:

    It is recommended to remove the battery from its charger once fully charged and store in a dry and warm location to get the best of its battery life.

  • Q:

    What material is the mower’s deck made of?

  • A:

    The mower’s deck is made out of plastic.

  • Q:

    Can the mower’s speed be adjusted?

  • A:

    Yes. The RY40190’s speed can be changed.

  • Q:

    Can the mower be used on slopes?

  • A:

    Yes, the mower is lightweight and has self-propel. It does very well on sloped yards.

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