Thatch and moss can block water, nutrients, and air from reaching grass roots. The best cordless lawn dethatchers make seasonal lawn cleanup easier without the noise, fumes, or cord management of gas and corded machines.
This roundup compares 10 battery-powered dethatchers and scarifiers by cutting width, power system, depth adjustment, collection features, and overall convenience.
Best 10 Cordless Lawn Dethatchers Picks for 2026
Best Heavy-Duty Pick
Sun Joe 48V Cordless Scarifier & Dethatcher
- 600W brushless motor with dual 24V batteries
- Five depth positions and two interchangeable reels
- 10.6-gallon collection bag
Best For: Demanding lawn care and deeper scarifying
Best Tool-Only Option
Greenworks 40V 14-Inch Dethatcher/Scarifier
- Uses the Greenworks 40V battery platform
- Includes dethatcher and scarifier reels
- Five-position depth adjustment
Best For: Existing Greenworks 40V tool owners
Best for Easy Handling
WORX WG855 40V Cordless Dethatcher
- Brushless motor with 14-inch working width
- Two batteries and charger included
- Tool-free reel changes and folding handle
Best For: Small to medium lawns and easy storage
Best Width and Adjustability
LawnMaster 48V 16-Inch Scarifier & Dethatcher
- Widest 16-inch working width in the group
- 14 adjustable height settings
- Two batteries, fast charger, and 12-gallon bag included
Best For: Faster coverage with precise height control
Best Makita-Compatible Pick
15-Inch Brushless Cordless Dethatcher
- Uses two Makita 18V batteries
- Dethatching and scarifying modes
- Five depths and a 12-gallon bag
Best For: Makita 18V owners maintaining smaller lawns
Best Corded Alternative
TaskStar 16-Inch Dethatcher and Scarifier
- 15-amp motor with 3,500 RPM
- Includes an adjustable thatch rake
- Five depths and overload protection
Best For: Users who prioritize continuous AC power
Best Battery Bundle
- Two 4.0Ah batteries and dual-port charger included
- 15-inch path with five-position depth adjustment
- Dethatching and scarifying heads plus collection bag
Best For: Complete cordless lawn-care kits
Best Depth Range
Greenworks 48V 15-Inch Scarifier
- Dual-24V batteries provide up to 3,600 RPM
- Two-in-one dethatching and scarifying operation
- Five-position control and three-year tool-and-battery warranty
Best For: Adjustable lawn grooming and Greenworks users
Best Bag Capacity
CRAFTSMAN V20 Brushless Dethatcher
- 50-liter removable collection bag
- Foldable handle and tool-free attachment changes
- Tool-only design with up to 45 minutes of runtime
Best For: CRAFTSMAN V20 owners needing easy cleanup
Best Heavy-Duty Pick – Sun Joe 48V Cordless Scarifier & Dethatcher
For demanding lawn work, the Sun Joe is one of the more capable cordless lawn dethatchers in this roundup. Its dual 24V batteries power a 600W brushless motor, while the 15-inch-class working width, five-position depth control, and interchangeable reels support both routine dethatching and deeper scarifying.
Best For: Homeowners who want a battery-powered machine with strong output, adjustable depth, and both dethatching and scarifying modes.
Pros:
- Includes two 4.0Ah batteries and a dual-port charger for up to 48V operation.
- Brushless 600W motor and AirBoost-equipped 24-tine dethatching cylinder are designed for thorough thatch removal.
- Five-position depth control and separate scarifying and dethatching cylinders add versatility.
- Large 10.6-gallon collection bag helps reduce cleanup.
Cons:
- At 36.4 pounds, it is heavier than several competing models.
- The battery kit makes this a larger investment than a tool-only option.
Choose this Sun Joe if you prioritize power, collection capacity, and fine depth adjustment over minimum weight. Its two-reel design makes it particularly useful for lawns that need both surface thatch removal and deeper scarifying.
Best Tool-Only Option – Greenworks 40V 14-Inch Dethatcher/Scarifier
The Greenworks 40V is a practical choice among cordless lawn dethatchers for shoppers who already own compatible batteries. It combines a 14-inch path with quick-swap dethatcher and scarifier reels, plus five-position depth adjustment for different lawn conditions.
Best For: Greenworks 40V owners who want to expand their existing battery system without buying another battery and charger.
Pros:
- Works with the broader Greenworks 40V platform and more than 75 compatible tools.
- Includes both dethatcher and scarifier attachments for two lawn-care functions.
- Five-position depth adjustment accommodates different dethatching and scarifying needs.
- Backed by a three-year limited tool and battery warranty.
Cons:
- Tool-only configuration requires a separate compatible battery and charger.
- Its 14-inch working width is narrower than the widest model in this roundup.
This Greenworks model offers good value when you are already invested in the 40V ecosystem. It is less convenient as a first purchase, but the platform compatibility and two-in-one design can make it a sensible add-on.
Best for Easy Handling – WORX WG855 40V Cordless Dethatcher
The WORX WG855 is a maneuverable option for homeowners comparing cordless lawn dethatchers with included batteries. Its brushless motor, 14-inch width, curved deck, larger front wheels, and folding handle are geared toward easier operation, while the tool-free reel change supports both dethatching and scarifying.
Best For: Small- to medium-lawn owners who want a relatively light machine with simple conversion and convenient storage.
Pros:
- Includes two 4.0Ah batteries and a dual charger.
- Brushless motor and 24 metal tines support thorough surface thatch removal.
- Tool-free conversion switches between dethatching and scarifying reels.
- Curved deck, larger front wheels, and folding handle improve handling and storage.
Cons:
- Provides four operating positions, with three listed in the supplied specifications.
- Its 1.1-bushel collection bag is smaller than the largest bag included with the Sun Joe.
The WG855 stands out for convenience rather than maximum width or capacity. With batteries included and an easy-folding design, it is a well-rounded choice for routine lawn maintenance and occasional scarifying.
Best Width and Adjustability – LawnMaster 48V 16-Inch Scarifier & Dethatcher
The LawnMaster combines the widest working width in this group with an unusually broad range of height settings. For shoppers comparing cordless lawn dethatchers, its 16-inch path, 14 adjustable positions, brushless motor, and included collection bag make it suited to varied lawn-care tasks.
Best For: Small to medium lawns where faster coverage and fine control over working height are priorities.
Pros:
- 16-inch working width can cover more lawn with each pass.
- Offers 14 adjustable height settings for more precise usage.
- Brushless motor reaches up to 3,200 RPM and is designed for lower maintenance.
- Includes two 24V 4.0Ah batteries, a fast dual-battery charger, and a 12-gallon collection bag.
Cons:
- Supplied runtime is up to 25 minutes, so larger properties may require additional planning.
- The 16-inch width may be less convenient in tight spaces than narrower models.
This LawnMaster is compelling when coverage and adjustability matter most. Its quick-fold design and removable bag also make it practical for storage, while the included dual-battery setup avoids the extra purchase required by a tool-only model.
Best Makita-Compatible Pick – 15-Inch Brushless Cordless Dethatcher
If you already own Makita 18V batteries, this cordless lawn dethatcher offers a convenient way to maintain your yard without adding another battery platform. It uses two batteries at once, combines dethatching and scarifying, and provides five depth settings for seasonal lawn care.
Best For: Makita 18V tool owners who want a lightweight, compact machine for small to medium lawn maintenance.
Pros:
- 15-inch working width and 650W brushless motor reaching up to 3,000 RPM
- Two-in-one dethatching and scarifying with quick blade changes
- Five depth settings, foldable handle, adjustable-height rod, and 12-gallon bag
- Includes a five-year warranty and 24/7 customer support
Cons:
- Requires two Makita 18V batteries, which are not included
- Its 15-inch width is narrower than some competing models
This is a practical choice when battery compatibility matters most. The 23-pound design and storage-friendly folding handle improve portability, while the dual-battery setup provides cordless operation without requiring a separate charger system.
Best for Small Lawns – LawnMaster 48V MAX 16-Inch Dethatcher
The LawnMaster is a strong option among cordless lawn dethatchers for small to medium properties. Its 16-inch working width, brushless 3,200 RPM motor, and two included 24V MAX batteries are designed to cover lawns up to about 1/6 acre with up to 25 minutes of runtime.
Best For: Small to medium lawns where cordless operation, broad coverage, and adjustable settings are priorities.
Pros:
- Includes two 24V MAX 4.0Ah batteries and delivers up to 25 minutes of runtime
- 16-inch working width and 6.7-inch front wheels support easy maneuvering
- Two-in-one dethatching and scarifying with a 12-gallon removable collection bag
- Offers 14 adjustable height settings and a quick-fold design
Cons:
- Runtime is limited to about 25 minutes under the stated operating conditions
- Designed for lawns up to approximately 1/6 acre
With batteries included, this LawnMaster is more immediately ready to use than tool-only models. Its 14 height positions give it particularly fine adjustment, while the 16-inch path helps shorten work time on appropriately sized lawns.
Best Corded Alternative – TaskStar 16-Inch Dethatcher and Scarifier
Although it is not cordless, the TaskStar is worth considering when uninterrupted power is more important than battery convenience. This 16-inch electric dethatcher uses a 15-amp motor, includes separate dethatching and scarifying cylinders, and adds a manual thatch rake for edges and tight areas.
Best For: Homeowners who have access to an outlet and want consistent power plus manual cleanup capability.
Pros:
- 15-amp motor reaches 3,500 RPM across a 16-inch path
- Two-in-one design with tool-free cylinder switching
- Includes an adjustable thatch rake for corners and edge cleanup
- Five depth positions, overload protection, folding handle, and 14.5-gallon bag
Cons:
- Corded design does not provide cordless mobility
- The collection bag is optional for operation and may be better removed on larger areas
- Backed by a one-year manufacturer warranty
The TaskStar makes the most sense for users who prefer steady AC power and do not want to manage battery runtime. Its included rake expands its usefulness around borders, though cord management remains part of the trade-off.
Best Battery Bundle – WEN 15-Inch 2-in-1 Dethatcher
The WEN 20V Max is a practical choice among cordless lawn dethatchers if you want a complete kit rather than a tool-only purchase. It combines a 15-inch clearing path, brushless motor, adjustable raking depth, and both dethatching and scarifying heads.
Best For: Homeowners who want included batteries, a charger, and interchangeable lawn-grooming heads.
Pros:
- Includes two 4.0Ah batteries and a dual-port charger.
- 15-inch clearing path and 650W brushless motor reaching up to 3,000 RPM.
- Five-position height adjustment and both dethatching and scarifying heads.
- Includes a detachable collection bag and two-year warranty.
Cons:
- Listed battery average life is up to 45 minutes.
- Its maximum adjustable height is only 1/4 inch above the reference setting.
With its generous included accessories and flexible two-in-one design, the WEN is a well-equipped option for routine lawn cleanup without requiring separate battery purchases.
Best Depth Range – Greenworks 48V 15-Inch Scarifier
The Greenworks 48V is one of the more adjustable cordless lawn dethatchers in this group. Its dual-24V battery setup powers a 15-inch working path, while five-position controls let you tailor the tool for dethatching or scarifying across different lawn conditions.
Best For: Homeowners who already use Greenworks 24V tools or want broad depth-control flexibility.
Pros:
- Includes two 4.0Ah batteries and a charger.
- Brushless motor delivers up to 3,600 RPM from the combined 48V system.
- Switches between dethatching and scarifying with a 15-inch working path.
- Backed by a three-year limited tool and battery warranty.
Cons:
- At 26 pounds, it may feel substantial during extended use.
- The listed depth ranges differ between dethatching and scarifying modes.
The Greenworks stands out for adjustable lawn grooming and battery-platform compatibility, making it especially appealing when you already own other Greenworks 24V equipment.
Best Bag Capacity – CRAFTSMAN V20 Brushless Dethatcher
The CRAFTSMAN V20 is a tool-only option for shoppers comparing cordless lawn dethatchers who already own compatible V20 batteries. Its 14-inch deck, brushless motor, foldable handle, and 50-liter collection bag are designed to make cleanup and storage more convenient.
Best For: CRAFTSMAN V20 owners who prioritize a large collection bag and compact storage.
Pros:
- Large 50-liter removable collection bag reduces emptying interruptions.
- Foldable handle helps save storage space.
- Tool-free attachment changes support dethatching and scarifying work.
- Brushless motor offers up to 45 minutes of runtime with a compatible battery.
Cons:
- Battery and charger are not included.
- Its 14-inch clearing width is narrower than the 15-inch alternatives here.
- The supplied details list one position rather than adjustable depth control.
This CRAFTSMAN makes the most sense for existing V20 users who want generous bagging capacity and easy storage, but new buyers should budget separately for the battery and charger.
How We Picked These Cordless Lawn Dethatchers
We focused on models designed specifically for removing lawn thatch and moss, including combination dethatcher-and-scarifier machines. Our comparison considers working width, brushless motor design, depth adjustment, battery configuration, collection options, folding storage, and the practical cost of getting a complete setup.
Battery compatibility also matters. Some products include batteries and chargers, while others are sold as tool-only models for shoppers who already own compatible packs. Because runtime varies with grass density, working depth, battery size, and mowing conditions, we avoid treating a single advertised runtime as a universal result.
Quick Comparison
- Best for broad coverage: Look for a 15- or 16-inch deck, which can reduce the number of passes across larger lawns.
- Best for existing battery owners: Tool-only Greenworks and Makita-compatible options can lower the entry price if you already have matching batteries.
- Best for ready-to-use convenience: Bundles with two batteries and a charger require less additional equipment.
- Best for cleanup: A removable collection bag helps contain loosened thatch, although dense debris may still require raking.
- Best for storage: Quick-fold handles are useful when garage or shed space is limited.
Key Buying Factors for Cordless Lawn Dethatchers
Battery Platform and Runtime
Check whether the unit includes batteries and a charger. Dual-battery systems can deliver more working power, but they may require two charged packs for operation. If you already own Greenworks, Makita, CRAFTSMAN, WORX, or another compatible platform, staying within that ecosystem may be more economical.
Width, Depth, and Scarifying Action
Wider decks cover more ground, while narrower machines can be easier to maneuver around beds and tight spaces. Multiple depth positions let you start conservatively and increase contact only when needed. Scarifier functions are useful for more aggressive soil-surface work, but they should be used carefully to avoid stressing healthy grass.
Handling and Cleanup
Look for adjustable controls, balanced weight, foldable handles, and a collection bag if you want a simpler cleanup routine. Even with a bag, expect to empty it frequently during heavy thatch removal.
Who Should Buy Which Cordless Lawn Dethatchers?
Choose a wider 15- or 16-inch model for medium or large lawns where coverage is the priority. A compact 14-inch machine may be preferable for smaller yards, narrow passages, or users who value easier steering. Buyers already invested in a battery platform should prioritize compatibility over small differences in advertised power.
For occasional seasonal maintenance, a model with adjustable depth and straightforward storage is usually sufficient. For neglected lawns with thick thatch, prioritize brushless power, dual-battery operation, sturdy scarifier components, and a collection system. Whichever model you choose, dethatch during the grass’s active growing period, mow first, and begin at a shallow setting before making deeper passes.