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Keeping a neatly cut lawn is important to every homeowner to keep peace with both your spouse and the neighbors. The WORX WG789 Lawn Mower seemed to be a highly regarded cordless mower. Since I am always looking for tools to make my yard work easier, I decided to do some research on it and share what I discovered in this review.

Power to Spare

It is important for a cordless mower to have the battery life to allow you to get the job done. It’s battery is rated to cut 12,500 square feet on a single charge. That means you can go out and mow nearly a third of an acre without recharging. If your yard is larger than that, you may be interested in buying a second battery as the battery is removable and is recharged separate from the mower.

The Quiet Life

Electric mowers have a definite advantage when it comes to noise and  is top notch in this regard. Do you hate getting out in the summer heat of midday to do your yard work? With the WORX WG789 Cordless mower you can get out and mow in the cool of early morning without having to worry about disturbing the neighbors.

Features and Specifications

  • Cordless to allow you to reach any area of your yard without being tethered to your house by extension cords
  • 36-volt battery gives you the power to cut through the tough stuff (if you are like me and “miss” a week of mowing)
  • Removable battery gives you the option of keeping a second battery on hand for larger yards
  • Self-propelled with PaceSetter system to match your pace so the mower pulls itself along at the speed you want to go
  • Extra torque with IntelliCut so you don’t get bogged down or worse, leave uncut patches in your yard when you’re cutting tough grass
  • 45 minute battery run-time (12,500 square feet) which is plenty of time to do a decent sized yard in one charge
  • 19-inch width so it may take more passes if you are used to the 20-inch to 22-inch widths common to gas mowers but difference is negligible
  • Adjustable height to cut from 1.5 to 3.5 inches to allow you to get exactly the cut you want in your yard
  • Mower backed by a 2 year warranty, battery by a 1 year warranty

Customer Reviews

While researching the WORX WG789 Lawn Mower I found nearly 100 customer reviews. The reviews averaged 4 out of 5 stars. That means most buyers rated it with the highest marks available.


The reviews showed several trends. Many reviewers described the WORX WG789 as a well built machine. They said it is constructed with solid materials,well-fitted together. Another positive often mentioned is that the battery life definitely delivers on the promise made by the manufacturer. People mentioned over and over again that they were able to do their whole yard and have charge left over.

Also mentioned as a positive is the options open to you. You can set it to mulch the grass clippings as you go to help thicken your lawn. You can set it to discharge out the side to make it easy to rake up later. Or my personal favorite is to use the bagger to make clean up automatic.

If your old mower is like all the ones I have owned, adjusting the cutting height means adjusting each wheel separately. It has a one touch height adjuster so no more counting notches to make sure all your wheels are at the same height.

A big pro for this mower is not having to deal with buying, storing, spilling, cleaning up, and smelling (and smelling LIKE) gasoline ever again. Your mowing will be much more pleasant without the aggravation of checking and changing oil. You will never again wrench your shoulder yanking on a starter cord.


While there were some complaints about the PaceSetter system, the overall impression seems to be that it works very well once you learn its quirks and get used to operating it. The PaceSetter system controls the drive for the self-propelled mechanism. It varies the speed of the mower to your walking speed. Once you get used to the system, it maximizes the comfort for you as you don’t have to strain to push the mower or run to try to keep up with it.

There were also several complaints about the battery life. These complaints fell into two general categories. The first group seems to expect the battery to last longer than the manufacturer claims. This is not a fair expectation. The second group complained that the battery lost charge holding ability over time. My research showed that this problem is probably due to maintenance issues. The WORX WG789  uses a lead acid battery like the ones used in cars. These batteries work best and last longest if kept fully charged as much as possible. People have gotten used to lithium ion batteries that last better if completely or near completely discharged before recharging. Completely discharging lead acid batteries will quickly degrade its ability to hold a charge.   If your yard is too large to finish with charge left, you will have the best experience if you recharge at the halfway point.


While there are some complaints, the overall consensus is that the WORX WG789 Mower is a great choice in the cordless electric lawn mower market. If you are interested in not having to ever mess with gasoline and oil again, not spewing pollutants into the air, and not needing earplugs to mow your lawn, the WORX WG789 19-Inch 36 Volt Cordless PaceSetter Self Propelled 3-In-1 Lawn Mower is an excellent choice that with a bit of learning and proper battery maintenance should give you years of pleasant mowing experience.

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