Black+Decker CM2040 20″ 40V Cordless Lawn Mower

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Black+Decker CM2040 20″ 40V Cordless Lawn Mower
Black+Decker CM2040 20″ 40V Cordless Lawn Mower

Main Features

  • 40V battery
  • 20″ cutting width
  • At least 30 minutes cutting time
  • 6-position height adjustment
  • Fold-flat design
  • 2-in-1 function for mulching and bagging


This item is covered by a 2-year warranty.

Our Rating

8 Total Score
Black+Decker's 20" cordless lawn mower for small yards

The Black+Decker CM2040 is a 40-volt 20" battery powered lawn mower. It features a rear bagger with 9.5 gallons of capacity, two batteries, folding handles for easy storage, and 6-setting height adjustable cutting from 1-1/10" to 3-1/10".

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Black & Decker 40 volt mower

Best Price

BLACK+DECKER CM2040 40V Lithium 3-in-1 Cordless Mower, 20"

1 new from $649.99
Buy Now
as of February 3, 2023 7:17 am


  • Includes (2) 2.5Ah - 40V MAX Lithium Batteries for longer cutting time
  • 20-inch wide cutting path
  • 6-setting height adjustment from 1-1/2 inch to 4 Inch high
  • 15 gallon nylon grass collection bag
  • Note: Please refer the installation manual for using the clip and the user manual for charging the CM2040 battery


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