Greenworks 40V 21" Cordless Brushless Push Mower, 4.0Ah + 2.0Ah USB Batteries and Charger Included
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
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Availability:
Only 3 left in stock, order soon!
Arrives
Dec 23 – Dec 24
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Size: 4Ah & 2Ah Battery & Charger Included
Style: 40V
Features
- Power Source Type: Battery Powered
- Dual battery ports with automatic switch-over for longer, uninterrupted run-times when one battery depletes, the mowers power supply is automatically switched to the second battery. Single lever 7 position height adjustment offers a range of cutting height from 1-3/8 in. to 3-3/4 in
- Maneuver terrain easily with 10 in. rear wheels and 8 in. front wheels. USB port in battery charges all portable electronic devices, including phones and tablets
- Up To 70 Minutes Run-Time With Fully Charged 4Ah and 2Ah Battery. Run-Time Varies Based on Grass Condition and Operator Technique
Description
The Greenworks 40V cordless lawn mower is a high-performance machine that boasts a 21-inch deck and comes equipped with a powerful 4Ah battery, a 2Ah battery, and charger. With its 4-in-1 function, you can easily switch between mulching, bagging, side discharge, and rear discharge modes. The mower also features a convenient turbo button, which provides an extra boost of power when you need it the most. The 7-position height adjustment feature allows you to choose the perfect cutting height for your lawn, while the push handle ensures that you can effortlessly maneuver the machine around obstacles. With a 3-year warranty, you can be confident in the durability and longevity of this lawn mower.
Brand: Greenworks
Power Source: Battery Powered
Material: Plastic, Stainless Steel
Color: Green
Style: 40V
Item Weight: 57.76 Pounds
Cutting Width: 21 Inches
Operation Mode: Automatic
Product Dimensions: 62.25"D x 21.5"W x 23.22"H
Assembly Required: Yes
Brand: Greenworks
Power Source: Battery Powered
Material: Plastic, Stainless Steel
Color: Green
Style: 40V
Item Weight: 57.76 Pounds
Cutting Width: 21 Inches
Operation Mode: Automatic
Product Dimensions: 62.25"D x 21.5"W x 23.22"H
Assembly Required: Yes
UPC: 841821072155
Minimum Adjustable Cutting Height: 1.38 Inches
Manufacturer: Greenworks
Item Weight: 57.8 pounds
Item model number: MO40L4210
Batteries: 2 Lithium Ion batteries required. (included)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Dec 23 – Dec 24
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Very nice product. I got the 6 amp battery. and I’m glad I did. It does my somewhat bigger than other in- city yard with about 1/2 left. Very light and easy to move around. I did not get self propelled and am glad I didn’t. Very quiet. Plenty of power and battery life for normal mowing. Even works on damp grass. I’ve read a review or two in which the reviewer said the mower seemed cheap. I disagree. It is lightweight, made of plastic. Heavy is not better for an electric mower.
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Reviewed in the United States on July 12, 2020 by Dave A.
Size: 4Ah & 2Ah Battery & Charger Included
Style: 40V
This is a very good mower for small to mid-sized lawns...you'll need an extra battery...maybe buy another tool...works very well and is rugged....even with the expense of an extra battery this is still a very good deal.
Reviewed in the United States on October 1, 2024 by Edward Moore
See my update on the LMF 413 version. This is my review for the M210T model . My initial reaction is.. how could they make such a beautiful piece of machinery and them totally jam it with a battery port that DOES NOT work for ALL their older original style g-max batteries. You know... the ones you and I both have 10 of? Oh you can get one in... and it powers fine.. but then just try to remove it! No where to grip it to pull it out! Needs an ejection button!! Horrible user ergonomics in my eye.. sheesh.. What a oversight! You WILL NEED Elite batteries minimum for ease of use with this mower in any manner to make it easier to remove the battery.. Don't like that at all. 04/18/2020 AMAZON has buried my review under dozens of reviews NOT for the 21 inch mower.. I've used the mower twice... the cut is good, power suffices, batteries do deplete much faster than the 19 inch DigiPro mower I have. The battery port situation sucks. I will dremel the inside port sides to open them up and get back with more photos. Still a 3 star rating as this battery port issue literally ruins an otherwise decent machine . Fire the butthead who designed this !! Update: 04/03/2021 I purchased the LMF413 version of this 40V Gmax 21" walk behind mower. The battery box has been redesigned & the batteries sit higher in the compartment making it far easier to remove . This unit also auto switches between both batteries , which makes way more sense. I can now put 2 6Ah batteries in my mower and cut grass till my legs are sore before it ever runs out of battery power . NOTE : those high number 6 Ah batteries do make the mower a bit harder to push.. increases the weight!
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Reviewed in the United States on January 31, 2020 by joe m joe m
The mower was purchased at a great price and when the box was opened it was obviously brand new; even though purchased as a serious cosmetic blem. Everything was there and factory packaged (I think). It went downhill from there. The only thing it would do is beep. I opened the top cover to make sure all electrical connections were intact (as per a Utube video). The battery held a full charge. I contacted Greenworks for assistance; totally useless; though we went through the starting sequence.. Forget their customer service. Was never able to get it to run. Unfortunately, had to return it after I thought I scored a great deal. Amazon took it back without any problem and had it 'picked up' immediately. Was really hoping I had a good deal but it didn't work out.
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Reviewed in the United States on January 21, 2021 by Debra A. Dragon
Size: Tool Only
Style: 40V
I really wanted to love this mower. I got it to replace an older Greenworks 2-blade mower. It's quieter and it cuts beautifully. Unfortunately, my 4AH batteries only last 12-13 minutes in it. That means I have to use 5 batteries to cut my grass (normally takes about an hour). I do own 3 of the batteries which means I have to wait in the middle of mowing for batteries to recharge. I wonder how long the 2AH batteries they want you to use would have lasted. As many other people have commented, the batteries are a real pain to get out of the mower. There isn't room for your fingers on the sides of the batteries, and you can't get a good enough grip using the front and back either. Update 4 July 2018: The batteries last longer now that I've set the mower to leave the grass longer. It now takes me 2+ batteries to cut the lawn. The third battery is only about 1/2 used. I have also figured out how to get the batteries out more easily. I use something with a flat edge (like a garden trowel or a wide flat-blade screw driver) to fit help lift the battery from the front being careful not to actually damage the battery. So, it's not wonderful, but I've learned to live with it, and I do love how well it cuts and how quiet it is compared to a gasoline-powered engine.
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Reviewed in the United States on May 8, 2018 by Ronald Q. Smith
Size: Tool Only
Style: 40V
I don’t know what mower everybody else is reviewing on this mower, but I love this mower!!! All those that said removing battery is difficult is wrong wrong wrong. Super easy to remove and place, and the extra holder for second battery is completely fantastic! The battery power? I thought really great! This is not a drill or flashlight your are powering! It’s a 21 inch mower for crying out loud. If you have suburb size lawn easily do front and back yard with 1 battery. I’m on 8 acres and have to mow about 2. I did at least 1/2-3/4 of and acre with 2 batteries and we are not talking about y’all’s cute little lawn grass. My John Deere mower is shot and I needed something quick to keep up with the grass and although we are a Milwaukee family I love green works for my personal use and have blower, weeder, and even bought the little 16 inch chainsaw that is awesome! This mower super easy to put together, no gas, no oil and cuts perfectly and mowed down some tall and thick grass I thought it would struggle with. Y’all completely ignore the rest and buy this mower!
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Reviewed in the United States on October 9, 2023 by wendy sligh
I bought this for my mom's house (I do her yard). It is nice not having to clean carburetors / change oil / change sparkplugs / trouble shoot issues that come with my gas engine at the house. It is actually replacing a gas engine that was at my mom's. This is pretty light weight, comfortable to use. Battery lasts a long time, I usually cut my mom's small yard twice before charging. My mom's yard is bahia, mine is St. Augustine. I tested it at my house and worked well on the grass, but breezes through the bahia easier. Used 5 times so far. I like it and would buy again.
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Reviewed in the United States on September 23, 2021 by dashreeve