DeWalt DCMW220P2 20V MAX 3-in-1 Cordless Lawn Mower

DeWalt DCMW220P2 20V MAX 3-in-1 Cordless Lawn Mower is a heavy-duty and rather powerful 20-inch cordless lawn mower, intended for lawns up to 1/4 acre (~1000 m2).

DeWalt DCMW220P2 lawn mower is powered by a pair of 20V batteries and features a very efficient electric motor, offering performances close to the corded and even gas lawn mowers, but it emits no fumes and is rather simple to use and maintain.

Published: November 12, 2021.

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DeWalt DCMW220P2 Cordless Lawn Mower Features and Specifications

DeWalt DCMW220P2 lawn mower comes in the form of a kit, consisting of:

- DeWalt DCMW220 cordless lawn mower,

- a pair of Dewalt DCB205 5.0Ah 20V MAX XR Lithium-Ion Batteries,

- standard DCB112 battery charger,

- collection bag,

- mulching plug,

- safety key,

- documentation.

DeWalt DCMW220 cordless lawn mower features a robust and durable steel deck, with no opening for a side discharge of grass clippings - just to show how serious is DeWalt about the durability of this lawn mower.

The unit weighs 56.7 pounds (~25.7 kg) and thanks to large wheels it is nonetheless a rather maneuverable lawn mower - after all, it is a cordless lawn mower, with no extension cord to pull around.

DeWalt DCMW220 lawn mower features foldable handles and doesn't require much storage space. Also, it comes with two carrying handles, allowing two adults to carry it to shorter distances or one adult to load it and unload it from, for example, the pickup truck or similar.

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DeWalt DCMW220 lawn mower is advertised as a 3-in-1 unit, intended for mulching, bagging, and rear discharging - there is no option for side discharging.

The unit features 20-inch wide deck, offering a good balance between cutting width and compact dimensions.

DeWalt DCMW220 lawn mower features a single lever height adjusting system, allowing the user to quickly change the cutting height, which may be set between 1.5 and 3.4 inches (~3.8 - 8.7 cm).

DeWalt DCMW220 cordless lawn mower can be powered by high capacity 20V MAX DeWalt batteries or FLEXVOLT 20V/60V MAX DeWalt batteries.

As said before, DeWalt DCMW220P2 cordless lawn mower kit comes with a pair of DeWalt 20V MAX 5.0Ah DCB205 batteries and one standard DCB112 (sometimes DC115) battery charger.

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DeWalt DCB205 batteries are lithium-ion batteries featuring a nominal voltage of 18V and a maximum voltage of 20V. Also, they are able to store ~90 Wh of energy, with a pair of DCB205 batteries being able to store ~180Wh of energy.

DeWalt DCMW220 lawn mower features a battery compartment that accepts batteries of various capacities. But, it runs at 40 volts MAX (36 volts nominal) and cannot run on a single battery.

battery compartment

Also, when running DeWalt DCMW220 cordless lawn mower, it is recommended to use batteries of the same capacities.

Although DeWalt DCB205 batteries feature a battery gauge, it is not visible during operation. In order to help the users with estimating the remaining battery charge, DeWalt DCMW220 comes with a pair of battery gauges on top of the battery compartment, allowing the user to estimate the remaining runtime.

battery gauge

When the DeWalt DCMW220 is powered by a pair of DCB205 (20V, 5.0Ah) batteries, the runtime is around 15-20 minutes, at most 25 minutes.

The runtime of course depends on the grass type, its toughness, height, and similar, but generally, a pair of DCB205 batteries doesn't provide a very long runtime despite a high-efficiency brushless motor and stored ~180 Wh of energy - that is the price of having the strong cordless unit.

battery compartment 20v 60v 9ah flexvolt

But, DeWalt DCMW220 cordless lawn mower accepts much larger batteries, for example, DeWalt FLEXVOLt 20V/60V 9.0Ah - a pair of such batteries is able to store ~324 Wh of energy and is able to power DeWalt DCMW220 up to 45-50 minutes, sometimes up to 60 minutes.

Note: DeWalt offers DeWalt DCMW220 cordless lawn mower with several battery options (Amazon links, links open in the new windows):

- DeWalt DCMW220P2: DeWalt DCMW220 lawn mower + 2x 20V 5.0Ah batteries,

- DeWalt DCMW220X2: DeWalt DCMW220 lawn mower + 2x FLEXVOLT 20V/60V 9.0Ah batteries.

Of course, battery options of these cordless lawn mower kits may change without prior notice, so please, check first before ordering.

DeWalt DCB112 battery charger is a standard lithium-ion battery charger that charges the batteries with "just" 2 Amps and features "just" one battery slot - so, in theory, it requires 5 hours to fully recharge fully discharged pair of DCB205 batteries.

Personally, if You are interested in the DeWalt DCMW220 lawn mower, consider purchasing DeWalt DCB102 rapid charger.

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DeWalt DCB102 lithium-ion rapid charger features two battery slots and two USB charging ports (1.5A max) and is able to charge DeWalt 12V/20V MAX lithium batteries.

However, if You have several DeWalt cordless tools and battery packs, perhaps one of the best options would be DeWalt DCB104 battery charger.

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DeWalt DCB104 battery charger features 4 battery slots and it charges DeWalt 12V MAX, 20V MAX, and FLEXVOLT 20V/60V MAX batteries rather quickly, for example:

- charges four DCB204 batteries in 40 mins,

- charges four DCB606 batteries in 60 mins, etc.

With several battery pairs and a DCB104 battery charger, one may constantly mow the lawn and charge the batteries.

Note: after the use and/or charging, always let the batteries cool down a little bit.

This battery charger may be ordered online using the DeWalt DCB104 Rapid Battery Charger Amazon link (link opens in the new window).

DeWalt DCMW220 cordless lawn mower comes with a 3-year limited warranty.

dewalt dcmw220p2 mLong Story Short: DeWalt DCMW220 cordless lawn mower is a strong and durable cordless lawn mower that features two main "cons" - when powered by two 20V 5.0Ah batteries, the runtime may be rather short (15-20 minutes, 25 minutes max.), but that is the price of having a strong motor that ensures clean and even grass cuts.

Also, it is a 3-in-1 unit, but the cutting deck doesn't feature side discharge, but rear discharge - that is the price of having a sturdy and tough deck.

Other than that, DeWalt DCMW220 cordless lawn mower is an excellent cordless lawn mower that helps its users keep their lawns in perfect condition.

For more reviews and recommendations, feel free to check the DeWalt DCMW220P2 and DeWalt DCMW220X2 Amazon links (links open in the new window).

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