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BLACK+DECKER 40V MAX* Cordless Lawn Mower with Battery and Charger Included (CM1640)

3.9 3.9 out of 5 stars 973 ratings

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40V Cordless Lawn Mower Kit

About this item

  • Height Adjust- 6 settings, with a height of cut between 1-1/10" and 3-1/10"
  • Includes (2) 40V Max Lithium Batteries
  • Folding handles for easy & convenient storage
  • 9.5 gallon grass box designed with a soft fabric with hard top. Included Components: (2) LBXR2040 batteries, (1) LCS36 charger; Power Source: Battery

Customer ratings by feature

Light weight
4.3 4.3
Easy to assemble
4.1 4.1
Maneuverability
4.1 4.1

Compare with similar items

This Item
BLACK+DECKER 40V MAX* Cordless Lawn Mower with Battery and Charger Included (CM1640)
BLACK+DECKER 40V MAX* Cordless Lawn Mower with Battery and Charger Included (CM1640)
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Price$179.99$229.99$483.94-13% $236.87
List:$272.00
-15% $212.49
List:$249.99
Delivery
Get it as soon as Sunday, Mar 24
Get it as soon as Friday, Mar 29
Get it as soon as Sunday, Mar 24
Customer Ratings
Light weight
4.3
4.7
4.5
4.3
4.8
4.4
Maneuverability
4.1
4.2
4.1
4.2
4.8
4.2
Easy to assemble
4.1
4.6
4.5
4.6
4.1
Battery life
3.5
3.0
3.1
4.6
3.4
Value for money
5.0
4.3
4.7
Sold By
Amazon.com
Amazon.com
Hearthshire
Amazon.com
Amazon.com
power source
Battery Powered
Battery Powered
Battery Powered
Battery Powered
Battery Powered
Battery Powered
material
ABS Plastic
Alloy Steel
Plastic
Alloy Steel
cutting width
16 inches
13 inches
16 inches
21 inches
18 inches
21 inches
number of positions
6
5
5
7
5
7
operation mode
Manual
Automatic
Automatic
quiet operation
Manual
Manual
weight
38 pounds
23.1 pounds
29.8 pounds
77 pounds
37.5 pounds
48.9 pounds

From the manufacturer

BLACK+DECKER 16-Inch 40V MAX* Cordless Lawn Mower (CM1640)

BLACK+DECKER 16-Inch 40V MAX* Cordless Lawn Mower (CM1640)

Featuring a compact, easy-to-maneuver design and lots of convenient features, this battery-powered cordless lawn mower keeps small yards looking their best. A single-lever height adjustment lets you select the ideal cutting height from 6 different settings, while AUTOSENSE technology supplies the right amount of power needed to get the job done.

AUTOSENSE technology - delivers just the right amount of power you need for any type of grass

AUTOSENSE technology - delivers just the right amount of power you need for any type of grass

AUTOSENSE technology senses grass thickness and automatically provides a power boost or preserves battery life.

Features and Benefits of the

Single-lever cut height adjustment

Convenient folding handles

9.5 gal. grass bag

Single-lever cut height adjustment

Easily select between 6 options for a cut height of 1-1/5 in. to 3 1/5 in. – no tools needed.

Convenient folding handles

When you’re done for the day, simply fold down the handles for simple storage.

9.5 gal. grass bag

Grass bag is designed with a durable hard top and soft body, allowing you to easily see if it’s full.

40V MAX Lithium Ion Interchangeable Battery System - Power You Need Without the Hassle

Product guides and documents

Product information

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BLACK+DECKER 40V MAX* Cordless Lawn Mower with Battery and Charger Included (CM1640)


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Product Description

Product Description

Lightweight, easy to maneuver, and no cords (view larger).

Designed for cutting efficiency and the freedom of cordless convenience, the Black & Decker CM1640 16-Inch Cordless Mower is ideal for smaller yards up to 1/8 of an acre. Weighing only 38 pounds, the CM1640 cordless mower is lightweight, compact, and easy to maneuver for great cutting results with minimal effort. It's powered by Black & Decker's 40-volt MAX lithium-ion battery system, and the two included batteries combine to give you up to 30 minutes of mowing.

Easy Starting

The CM1640 cordless mower easily starts with just a push of a button, and is a smart, no-mess, no-hassle alternative to gas powered lawn mowers. You'll save time by eliminating the frustration of pull cords, the hassle of mixing gas and oil, as well as trips to the gas station and engine maintenance.

Handle folds down for convenient storage (view larger).

Cutting Convenience

The CM1640 features a cutting height range of 1 to 3 inches and a handy single lever height adjustment raises or lowers all four wheels simultaneously. When beginning to mow, the motor makes a smooth start and then easily tackles thick grass or uneven cutting terrain.

The 16-inch deck is ideal for smaller yards, and the durable and lightweight cutting deck never rusts, and is easy to clean. The soft fabric of the grass bag allows for easy checking by tapping the bag from the bottom to see if it is full. For convenient storage, the mower's handles fold down and over the mower so it fits nicely in small spaces in sheds or garages. Carrying handles on the mower make it easy to lift and carry.

40-Volt MAX Cordless Power

Get ready to experience the new Black & Decker 40-volt MAX lithium-ion batteries.1 They provide up to 33 percent increased battery pack capacity on single charge2 and are fully compatible with Black & Decker's 36-volt lithium-ion system, which include a string trimmer, hedge trimmer, sweeper vac, and a sweeper/blower vac. The battery is easily removed with the click of a button and conveniently recharges in the garage or shed via the included charger.

The 40V MAX* system offers you the power and performance you need to get the job done.

What's in the Box

CM1640 16-inch cordless mower, two 40-volt batteries (LBXR2040), charger (LCS36), operating instructions

About Black & Decker

Since 1910, Black & Decker has been setting the standard for innovation and design of power tools, accessories, outdoor yard care equipment, home cleaning products, automotive and lighting products, hardware, and other home improvement products. The inventor of the first portable electric drill with pistol grip and trigger switch, Black & Decker has evolved from a small machine shop in Baltimore, Maryland, to a global manufacturing and marketing powerhouse with a broad line of quality products used in and around the home and for commercial applications. When users need to get work done, they trust Black & Decker for the products that will do the job efficiently and reliably.


1. Maximum initial battery voltage (measured without workload) is 40 volts; nominal is 36.
2. Using the new 40-volt MAX lithium-ion 2.0 Ah battery versus the 40-volt MAX lithium-ion 1.5 Ah battery.

CM1640 16-Inch Cordless Mower, 40-Volt

At a Glance
  • Comes with two 40-volt MAX lithium-ion batteries (2.0 Ah) for up to 30 minutes of runtime
  • 16-inch compact deck ideal for yards up to 1/8 acre
  • Folding handles for easy and convenient storage in sheds and small spaces
  • Carrying handle makes it easy to lift and carry
  • 9.5 gallon grass bag with soft fabric and hard top enables you to check if grass box is full
  • Six adjustable height settings with range of 1-1/5-inch to 3-1/5-inch

Easy battery change (view larger).
Swap batteries with the rest of the 40-volt MAX cordless lineup (view larger).

Brand Story

By Black & Decker

Customer reviews

3.9 out of 5 stars
3.9 out of 5
973 global ratings

Customers say

Customers like the weight, ease of assembly, maneuverability, ease f cutting, and noise of the lawn mower. They mention that it is very light, easy to start up, and user friendly. They are also happy with maneuverability, eases of cutting, noise, and quality.

AI-generated from the text of customer reviews

100 customers mention76 positive24 negative

Customers like the ease of assembly of the lawn mower. They say that it is not complicated, and the instructions are clear. Customers also appreciate the quiet operation and the easy-to-push design. Overall, customers are satisfied with the ease and functionality of the product.

"...Easy to start. Amazon delivered it within two days, which is also a bonus...." Read more

"...with small children around, because really this thing is easy enough to figure out and light enough for a kindergartner to operate - but obviously..." Read more

"...It is ALL plastic Chinese parts. It looks nice and and is easy to use- IF IT ONLY WORKED more than a few times.0..." Read more

"...The manual is not terribly written but a bit wordy. An assembly video would be of great use...." Read more

98 customers mention98 positive0 negative

Customers like the weight of the lawn mower. They say it's very light, easily maneuverable, and almost totally maintenance-free.

"...really this thing is easy enough to figure out and light enough for a kindergartner to operate - but obviously that would be dangerous!..." Read more

"...It's very light so anyone in my family who is using it isn't completely exhausted from pushing a heavy lawnmower in the Texas summer heat.-..." Read more

"Nice and light. Easy to maneuver for sure. Battery life is variable depending on several factors (wet grass, tall grass, thick grass, etc.)...." Read more

"...The light weight of the mower let's you store it easy as well as deal with a yard that may not be very flat. I'm now a convert on the cordless mower." Read more

72 customers mention65 positive7 negative

Customers like the maneuverability of the lawn mower. They mention it's easy to push around due to the light weight, and it'd be difficult to push at all. The grass catcher is easy to handle, and the mower is far more maneuverable. It folds for storage and is easy and light enough that customers can lift it with one hand. Customers are impressed with the mower's amazing pickup into the bag.

"...It is not self propelled, but the mower is not difficult to push at all. One lever raises and lowers the mower easily and has six height settings...." Read more

"...It's easily maneuverable around my hilly yard, and so light that I can carry it up the stairs to keep it on the porch...." Read more

"...So for good performance, ease of use, ease of storage, and quiet clean performance, I couldn't be happier...." Read more

"Nice and light. Easy to maneuver for sure. Battery life is variable depending on several factors (wet grass, tall grass, thick grass, etc.)...." Read more

49 customers mention41 positive8 negative

Customers like the ease of cutting with the lawn mower. They mention that it cuts pretty well, easily cuts through tall grass, broadleaf weeds, and twigs. Some say that it leaves them stranded. However, most are happy with their purchase and find it to be excellent for cutting a yard. They also mention that the mower is quite small and produces a very smooth, low cut.

"...It had no issues cutting through the denser areas...." Read more

"This mower dose cut the grass and is light weight , but the height adjustment is to low so you have to water the lawn heavily when its hot and it..." Read more

"...I changed to “level 4,” and it cut very well. Was able to briskly walk and evenly cut with ease...." Read more

"...Machine comes with 2 batteries.- easily cuts thru tall grass, broadleaf weeds, and twigs.-..." Read more

47 customers mention47 positive0 negative

Customers are satisfied with the noise level of the lawn mower. They mention that it is relatively quiet, lightweight, and quick charging. There is no gas, oil, smoke, or noise, making it easier to push. The motor sounds like it means business.

"...The mower is pretty quiet, my neighbors didn't even realize I was out their mowing. Easy to start...." Read more

"...The other big plus with this electric mower, is that its at least 50% more quiet, than a regular gas powered lawn mower...." Read more

"...also, very quiet! don't think I even had my airpods on full volume like I did with my corded one while listening to podcasts and mowing" Read more

"...It's really lightweight, and very quiet, especially compared to gas mowers, so it was easy to push around...." Read more

209 customers mention135 positive74 negative

Customers are mixed about the quality of the lawn mower. Some mention that it works outstandly well right out of the box, is adequate to the task for which it was designed, and a wonderful lawnmower, while others say that it quit working on the 3rd time they went out to, and it does not mulch.

"...It lived outside for 9 years, always took a charge, and always worked great. I could mulch, mow, anything I needed it to do...." Read more

"This works well for my small, weedy, hilly yard.I have had this for at least 6 full summers now.The good:..." Read more

"...After 2 times of use it stopped working. I have no idea why. After the 1st mow- the plastic piece under the bag fell off...." Read more

"...So for good performance, ease of use, ease of storage, and quiet clean performance, I couldn't be happier...." Read more

134 customers mention64 positive70 negative

Customers are mixed about the battery of the lawn mower. Some mention that it comes with 2 batteries, which is perfect, and the battery life is variable depending on several factors. The batteries can be used for other Black and Decker products. However, some say that the batteries are going to die and that it takes 3 batteries to not finish.

"...It lived outside for 9 years, always took a charge, and always worked great. I could mulch, mow, anything I needed it to do...." Read more

"...batteries, then I have to take a long break, because the batteries need to cool down before they'll even start to charge...." Read more

"...Next consideration, was that the batteries can be used for other Black and Decker battery powered lawn tools, like an edger, hedge clipper, leaf..." Read more

"...Cheap, plastic parts and it is clear this is a disposable mower and that all the cheap little parts are not designed for a lawn mower...." Read more

78 customers mention53 positive25 negative

Customers are mixed about the size of the lawn mower. Some mention that it stores in a small space, the handle folds down easily, and the bag works well. The mower is lightweight and easy to maneuver, and it's good for carrying and mowing small areas. However, others say that the cut is ok but the bag is a bit smaller than their previous Black and Decker, and that the small print and the tiny photos are a joke.

"...I thought it might be an issue, but it is not. Gets into smaller spaces and is easier to turn. The extra power of the 40 volts is worth it...." Read more

"...So for good performance, ease of use, ease of storage, and quiet clean performance, I couldn't be happier...." Read more

"...the bag twice even for my small yard, so be warned that the bag is pretty small...." Read more

"...Folds up and stores nicely.- It is very effective...." Read more

Great mower, strong enough for small jobs.
4 Stars
Great mower, strong enough for small jobs.
This thing may look and feel like a Fisher Price kids toy, but I was pleasantly surprised as it exceeded my expectations. I have a small area to mow, at about 765 square feet (see pic) and was looking for an electric, lightweight mower. I also wanted something that would be a small footprint for storage. After reading a bunch of reviews, I settled on this B&D CM1640, and so glad I did.A few things I was skeptical about, and their results:The batteries - I was able to mow my entire lawn with one battery, and there was still more than 1/2 batt life left. Then I decided to drop the mower height for a shorter cut, and was able to mow the entire lawn a 2nd time, all on that same battery. After the 2nd mowing, the battery indicated that it was almost drained. Total run time for mowing 765 sq’ two times, was about 20mins on one battery. Also was skeptical about temperature effecting battery life, as I live in AZ, with temps 110 degrees on day of mowing. Was not an issue.The bag – I read a few comments that the bag always falls off, especially when backing up. This happened to me right away, and I was ready to return the whole damn thing. But then I realized I was not hanging the bag frame on the mower properly. It’s easy to accidentally hang the bag by the top bag frame instead of the “bag notches” (see pic with the proper notches circled). Once I figured this out, there was no issue at all with the bag falling off. The bag has a holding capacity much more than I would have thought. I also like how you can stand the full bag upright.Power – Some areas of my lawn were pretty overgrown, but not too bad… maybe 8-10” tall. The mower definitely struggled at first trying to plow through the tallest growth, and completely shut down twice. But then I realized I had the mower height set to it’s lowest “level 1” setting. I changed to “level 4,” and it cut very well. Was able to briskly walk and evenly cut with ease. After mowing the entire area, I still had two battery indicator lights on, so I decided to see how much more batt life I could get. I dropped the mower height to “level 3” and was able to cut the entire area a 2nd time, all on the same 1st battery. By this point, the battery was almost dead, with one indicator light on.Does this thing look, feel and operate like a power horse? No. But it’s not designed for large jobs. If you have smaller areas to mow, are looking for something lightweight with a small footprint, this is a great solution.
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Top reviews from the United States

Reviewed in the United States on April 19, 2020
Style: 40V Cordless Lawn Mower KitVerified Purchase
20 people found this helpful
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Reviewed in the United States on November 29, 2015
Style: 40V Cordless Lawn Mower KitVerified Purchase
157 people found this helpful
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Top reviews from other countries

swiftie13🍝
5.0 out of 5 stars Great mower for its intended use
Reviewed in Canada on October 4, 2019
Style: 40V Cordless Lawn Mower KitVerified Purchase
3 people found this helpful
Report
Timothy P
4.0 out of 5 stars Here's a honest review putting this mower to task
Reviewed in Canada on May 13, 2021
Style: 40V Cordless Lawn Mower KitVerified Purchase
Customer image
Timothy P
4.0 out of 5 stars Here's a honest review putting this mower to task
Reviewed in Canada on May 13, 2021
Everyone, like me, wants to know, should I buy a 40v mower to replace my tired gas mower.

I received this unit today and I put it to a serious challenge. I tested its limits. Here are the results for everyone on the fence.

I set the mower to 4 resulting in about 2-3" of dense lawn mowing. Something that even my gas 6.5hp craftsman would choke on from time to time.

My results :
Cons :
-I mulch, not bag. This mower is not great at mulching, especially when you're cutting off 2+“. It will bog down in dense grass.
-it will stall if your taking off more than 3"at a time

Pros :
-It is so light and quiet that it feels like a toy. I was really hesitant to get a mower without auto drive. This is not an issue. This thing feels like I'm vacuuming the carpet with a Tonka toy. I was easily able to pick this up to move up some steps with one hand.

-For the first time ever, I got my wife to more the lawn. Enough said.

-Battery life is pretty good considering the challenge I put this through. See the photos. I was able to cut a substantial amount of dense grass (~3000sqft) on one and 1/4 batteries.

-It's quieter than my steam mop. I could literally mow my lawn at 3am and no one would know.

-Did I mention it feels like a Tonka Toy?

Also, as usual, ignore the 1 and most of the 2 star reviews for this. These were all issues that could have easily been resolved either through Amazon or Black and Decker. B&D gives excellent product support. I bought a 40v hedger a couple of weeks ago with a faulty battery and they sent me a new battery asap. People that are complaining about battery life just set their expectations too high. No battery lawnmower, regardless of brand is going to cut a horse pasture.
Images in this review
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20 people found this helpful
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Amazon Customer
5.0 out of 5 stars Lawnmower not powerful enough.
Reviewed in Canada on September 2, 2018
Style: 40V Cordless Lawn Mower KitVerified Purchase
28 people found this helpful
Report
Chris S.
3.0 out of 5 stars It's OK for smaller lawns
Reviewed in Canada on July 18, 2023
Style: 40V Cordless Lawn Mower KitVerified Purchase
D.MCFARLANE
1.0 out of 5 stars not powerful enough
Reviewed in Canada on May 17, 2021
Style: 40V Cordless Lawn Mower KitVerified Purchase