5 Best Robot Lawn Mowers for 1/2 to 1 Acre Yards in 2021

In Robot Lawn Mowers, Smart Home Yard by Tim Brennan

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Synopsis: In this detailed buyers guide, I am happy to introduce you to five of the best robot lawn mowers for ½ to 1-acre yards that you can buy this year.

Without further ado, the best robot lawn mowers for 1/2 to 1-acre yards are:

#1 – Best Features: Husqvarna Automower 430x
#2 – Best Control: Worx Wr153 Landroid
#3 – Best for Large Lawns: Robomow Rs630
#4 – Best Weight: Husqvarna 310 Automower
#5 – Best Budget Premium: Worx Landroid

Robots in My Yard

best robot mowers 1/2 1 acreHelp, help! There is a robot in my yard!!!

What is it doing, you ask?

Oh well, hold on a tick. It’s mowing the lawn!

Looks like I won’t be needing your help after all.

But maybe you need mine?

The best robot lawn mowers for ½ to 1 acre are really cool, sure. But there are now so many from so many different manufacturers, deciding on one can be downright hard.

So let’s “cut” to the chase and find you the purr-fect mower.

But, first…

Are Robot Mowers Worth It?

best robot mowers for 1/2 to one acreIf you are looking for lawn mowers that can assist you with your ½ to 1-acre lawn, you absolutely should consider buying a robot lawnmower.

Today’s robot lawn mowers are ready for prime time and can manage the back-breaking chore of cutting the lawn regardless of yard size, type of grass, or terrain.

While this was not the case a few years ago, there is a mower for just about every type of yard now.

The demand for robot lawn mowers has been growing like crazy. In fact, a recent robot lawnmower study by Markets and Markets predicts 13% annual compound growth through the year 2025. Now is a great time to get in early and be the envy of your neighbors and friends.

In this detailed buyer’s guide, I am happy to introduce you to the five best robot lawn mowers for ½ to 1 acre. I’ll start with a comparison table comparing the features of five top mowers. Then, I’ll step you through the features, benefits, as well as pros and cons of each. My goal is to help you make a well-informed decision, save your back—and to get you back some time in your busy week!

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Comparison Table

While looking for a robot lawn mower for your ½ to 1-acre lawn, you must keep several factors in mind. These include the mowing width and height of the mower, its connectivity options, theft and weather control options, price, warranty, running and charging times, and more.

Product Husqvarna Automower 430X WORX WR153 Landroid Robomow RS630 Husqvarna 220AC Automower WORX WR155 Landroid
Husqvarna Automower 430X Robotic Lawn Mower WORX WR153 Landroid Robotic Lawn Mower Robomow RS630 Robotic Lawn Mower Husqvarna 220 AC ½ Acre Robotic Automower WORX WR155 Landroid 1/2-Acre Robotic Mower
Acres 3/4 1/2 3/4 1/2 1/2
Weight (lbs) 28.7 22.9 20 19.8 22.9
Cutting Width 9.45” 9” 22” 8.7” 8”
Running Time 145 minutes 90-100 minutes 80-100 minutes 45 minutes 100 minutes
Sound (decibels) 57 63 64 60 63
Smartphone App Yes Yes Yes Yes Yes
Connection Bluetooth, cellular, GPS Cellular, GPS Bluetooth, WiFi, GPS Bluetooth, cellular Bluetooth, WiFi, GPS
Battery Type Li-Ion MaxLithium 26V Lithium Li-Ion MaxLithium
Charging Time 50 minutes 90 minutes 90-110 minutes 45 minutes 90 minutes
Theft Protection Yes Yes Yes Yes Yes
Weather Protection Yes Yes Yes Yes Yes
Slope 45% 35% 36% 35% 35%
Warranty 2 years 3 years 2 years 2 years 3 years

Let’s now move on to a more detailed review of each of these best robot mowers for ½ to 1 acre.

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#1 – Best Features: Husqvarna Automower 430X

Husqvarna Automower 430X Robotic Lawn Mower

First on my list of the five best robot lawn mowers for ½ to 1-acre lawns, is the beauty from the market leader in robot mowers, Husqvarna.

The Husqvarna Automower 430X Robotic Lawn Mower is my top pick from a feature’s perspective. It is packed with all the features you could want in a mower. These include protection against the weather, an intuitive interface on the device itself, cutting-edge technology, app controls, alarms, sensors and outstanding slope coverage.

Covering ¾ or 0.8 acres, this is one of the best choices on this list for bigger lawns. It also has LED lights and multiple connectivity choices.


  • It can cover a large area in your lawn as it is built for ¾ of an acre. This makes it a good choice for you if you have a well-sized lawn.
  • With only 57 decibels of sound, this robot lawnmower is incredibly quiet as compared to the other models. It’ll save you from your neighbours screaming or their dog barking at you.
  • Its GPS system, anti-theft alarm, and PIN code options make it a safe and secure choice.
  • It has the longest run-time among the other mowers on this list. You can run it for nearly 145 minutes without needing to charge it in between. If it needs charging, it will automatically make its way to the charging station which will fully charge the mower in 50 minutes. How cool is that?
  • It can cut a slope with a 45% inclination. Once again, this is higher than the other models on this list. This can be beneficial for you if have slopes in your yard.


  • It is slightly bulky, weighing more than the other models mentioned here.
  • Despite a good cutting width, its maximum cutting height is 2.4”. Others tend to allow for a greater height capacity.
  • You might need to buy some extra equipment like staples to use the installation kit or add-ons such as the Terrain Kit to better mow slopey lawns.


Gerren Mayne has a nice review of this model out on YouTube

#2 – Best Control: WORX WR153 Landroid

WORX WR153 Landroid Robotic Lawn Mower

The WORX WR153 Landroid Robotic Lawn Mower has the ability to cover a lawn of ½ acre. While the previous mower has a few more bells and whistles, the WR153 can be a better option for you if you need more control options.

In addition to the smartphone app, this robot mower features onboard controls, dials, anti-collision measures, and other customizable settings.


  • It is a compact mower that can easily maneuver its way through small spaces without getting stuck.
  • It not only has a smartphone app but also comes with buttons and dials on its structure that can allow you to access the RadioLink, Find My Landroid, ACS, and Off-Limits features.
  • Unlike a lot of other robot lawnmowers, the latest version of this mower is super silent and can even be used when you sleep without disturbing yourself or the neighbors.
  • This is a great safety feature of the device.
  • It can easily even out the rough spots on your lawn.


  • It’s not the easiest of learning curves and can take up to 10 days of experimenting with it to get it effectively set up so that it meets your mowing requirements.
  • Some complain that the smartphone app can be a bit clunky.


Check out this detailed review by Silver Cymbal on YouTube to find out even more about this device.


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#3 – Best for Large Lawns: Robomow RS630

Robomow RS630 Robotic Lawn Mower

The Robomow RS630 Robotic Lawn Mower was designed to cover yards up to ¾ acres.

It can deal with longer grass length and cover slopes with 36% inclination.

What’s more, you can also separate the mowing into different zones so you get precise control over how it gets the job done.


  • With a ¾ acre coverage capacity, this lawnmower can easily cover your entire lawn while mowing.
  • It is comparatively lightweight which makes it easier to transport.
  • It has a long battery capacity, allowing it to function up to 100 minutes per mowing session—more than you will need to get the job done.
  • It can mow slopes with a 36% incline so it will work well even if your lawn has hills.


  • Its charging time is longer than the other models, taking up to 110 minutes to charge.


If you want to find out more, you can watch this great review by Tilted Tripod Media.

#4 – Best Weight: Husqvarna 310 Automower

Husqvarna 220 AC ½ Acre Robotic Automower

The Husqvarna 310 AC Robotic Automower is the lightest option in this range. It can easily maneuver around your lawn and mow it smoothly. This also makes it easier for you to carry.

Along with this aspect, it also takes the shortest time (around 45 minutes) to charge until you can use it again. This mower is best for ½ an acre or less.


  • It’s lighter than other models listed here.
  • It has three blades that sharply and evenly cut the entire section of the lawn.
  • Its lift sensor stops the blades from running whenever it is lifted off from the ground, making it a safe choice.


  • It can only run for 45 minutes (as long as it takes to charge); however, that should be enough time to mow a ½ acre.
  • A few customers report that it sometimes can get hung up requiring manual intervention.


Check out this short video to see the mower in live-action, shot by Claus Frisch

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#5 – Best Budget: WORX WR155 Landroid

WORX WR155 Landroid 1/2-Acre Robotic Mower

The WORX WR155 Landroid Robotic Mower is similar to the WR153. However, this model is more affordable and is the best budget choice in my opinion. Unlike the WR153, this model has a much larger battery capacity. So in essence, this mower will run longer for less coin.

While it doesn’t have all of the bells and whistles of the premium models, it offers lift sensors, good connectivity, and an efficient motor as well.

Further, it comes with some additional control options that allow you to adjust your mower settings using their mobile app.


  • This mower has a good battery capacity of 6 Ah, allowing you to use it for a longer period of time on your lawn.
  • With Bluetooth, Wi-Fi, and GPS connectivity as well as a smartphone app, you can easily control your mower remotely and also track it in case of theft or loss.
  • It can easily maneuver its way around obstacles on the lawn.
  • Its structure and design offer protection against extreme weather conditions.
  • It comes with a 3-year warranty period, which is longer than most other models.


  • Its cutting width of 8” is lower than any other model on this list.
  • It can be slightly difficult and time-consuming to install.
  • Its smartphone app does not work too well.


Check out this video by Hanging Out With Mike for an update on the mower after 3 months of using it.

What is the Best Robot Mower to Buy?

If you are looking for a robot lawnmower that is long on both features and reliability, go with the WORX WR153 Landroid Robotic Lawn Mower which has 100s of rave reviews by satisfied customers.

If you have a limited budget and a smaller ½ acre yard, then I’d suggest you get your robot mowing journey started with the WORX WR155 Landroid 1/2-Acre Robotic Mower – WORX really knows what they are doing when it comes to robot lawnmowers and customer satisfaction so you really can’t go wrong with Worx.

Links to both of these products are up above.

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