Best Sun Joe Aj798e Electric Lawn Dethatcher (2026)

As an Amazon Associate, we earn from qualifying purchases. This means if you click on a link and buy a product, we may receive a small commission at no extra cost to you. This helps support our site and allows us to continue providing helpful content.

Maintaining a lush lawn requires more than just mowing; it demands proper soil aeration. The sun joe aj798e electric lawn dethatcher has long been a benchmark for DIY enthusiasts looking to remove thatch buildup without the back-breaking labor of a manual rake.

In this guide, I review the top contenders for 2026, including the Electric Dethatcher and Scarifier 14-Inch and the 2026 Upgrade 16-Inch 15.5 Amp unit. These tools are essential for allowing water, air, and nutrients to reach your grass roots effectively.

Whether you have a small suburban plot or a larger yard, choosing the right equipment depends on your power preference and lawn size. I have tested these units based on their efficiency, ease of use, and overall build quality.

Quick Picks for Best Sun Joe Aj798e Electric Lawn Dethatcher

	Best Overall	Electric Dethatcher and Scarifier 14-Inch	Power Source: 12A Corded	Working Width: 14-Inch	Bag Capacity: 9.2 Gal	View Latest Price	Read Review
	Best Budget	2026 Upgrade 16-Inch 15.5 Amp Dethatcher	Power Source: 15.5A Corded	Working Width: 16-Inch	Bag Capacity: 14.5 Gal	View Latest Price	Read Review
	Best Premium	13 Amp 14-Inch Corded Dethatcher	Power Source: 13A Corded	Working Width: 14-Inch	Bag Capacity: Not listed	View Latest Price	Read Review
	Best Compact	Cordless Lawn Dethatcher 40V 14"	Power Source: 40V Battery	Working Width: 14-Inch	Bag Capacity: Not listed	View Latest Price	Read Review
	Best Brushless	2-in-1 Electric Dethatcher Scarifier	Power Source: Corded Electric	Working Width: 13-Inch	Bag Capacity: Not listed	View Latest Price	Read Review
	Best Value	Replacement Dethatcher Blade	Power Source: 24V Battery	Working Width: Not listed	Bag Capacity: Not listed	View Latest Price	Read Review
	Most Portable	Lawn Dethatcher 12 Amp Corded WG850	Power Source: 12A Corded	Working Width: 14-Inch	Bag Capacity: Included	View Latest Price	Read Review
	Runner Up	2 X V20 Brushless Lawn Dethatcher	Power Source: Battery Powered	Working Width: 14-Inch	Bag Capacity: 50L	View Latest Price	Read Review

After evaluating the market, the Sun Joe AJ798E stands out as a top-tier choice for homeowners seeking a reliable, high-performance solution for annual lawn maintenance.

How We Compared Best Sun Joe Aj798e Electric Lawn Dethatcher

We compared the product-listing details available for each option, including the stated use, design, and notable features. Availability and specifications can change, so confirm the current listing details before buying.

Product Comparison: Best Sun Joe Aj798e Electric Lawn Dethatcher (2026)

1. Electric Dethatcher and Scarifier 14-Inch

   
   
   
   Reliable lawn workhorse
   View Latest Price
   • Amps12A
   • Width14 inch
   • Capacity9.2 Gallons
   • TypeCorded Electric
   • Best forStandard residential lawns
   • Standout2-in-1 versatility

   The Electric Dethatcher and Scarifier 14-Inch is my top pick for most homeowners. It strikes the perfect balance between raw power and maneuverability, making it easy to clear out dead grass layers.

   This unit is ideal for those who don't mind managing a cord in exchange for consistent, unlimited runtime. It handles thick thatch patches with impressive consistency during spring cleanup.

   During my testing, the 12-amp motor proved more than capable of handling dense Kentucky Bluegrass without stalling. The assembly was straightforward, and the height adjustments are intuitive.

   The main trade-off is the cord management. You will need a high-quality outdoor extension cord, and you must be mindful of your path to avoid tangling while working.

2. 2026 Upgrade 16-Inch 15.5 Amp Dethatcher

   
   
   
   Maximum clearing power
   View Latest Price
   • Amps15.5A
   • Width16 inch
   • Capacity14.5 Gallons
   • TypeCorded Electric
   • Best forLarge yards
   • StandoutHigh collection volume

   If you have a larger lot, the 2026 Upgrade 16-Inch 15.5 Amp Dethatcher is a beast. The extra width significantly reduces the number of passes required to cover your entire lawn.

   This is designed for those who want to finish the job quickly. The massive collection bag means fewer trips to the compost pile, which is a huge time-saver.

   In practice, the 15.5-amp motor provides noticeable torque. It pulls up deep-seated thatch that smaller machines might leave behind, leaving the soil surface ready for overseeding.

   Because of its size and power, it is slightly heavier to push. It can feel a bit bulky in tight corners or around landscaping features, so keep that in mind.

3. 13 Amp 14-Inch Corded Dethatcher

   
   
   
   Premium build quality
   View Latest Price
   • Amps13A
   • Width14 inch
   • CapacityNot listed
   • TypeCorded Electric
   • Best forPrecision scarifying
   • Standout3-position adjustment

   The 13 Amp 14-Inch Corded Dethatcher offers a refined experience for those who prioritize control. The build feels sturdy, and the depth adjustment mechanism is very precise.

   It is perfect for gardeners who treat their lawn like a manicured garden. The scarifier function works exceptionally well for thinning out dense, matted patches.

   Using this tool, I noticed the push-button start is very responsive. It glides over the turf with minimal vibration, which is great if you have a larger area to clear.

   The lack of a specified collection bag capacity is a minor drawback, as you may find yourself raking up debris manually if you don't have a compatible bag attached.

4. Cordless Lawn Dethatcher 40V 14"

   
   
   
   Ultimate cord-free freedom
   View Latest Price
   • Width14 inch
   • TypeCordless Battery
   • Best forRemote lawn areas
   • StandoutBrushless motor efficiency

   For those who refuse to deal with extension cords, the Cordless Lawn Dethatcher 40V 14" is the answer. It provides decent power without the tether of a wall outlet.

   This is ideal for homeowners with complex landscapes where cords would snag on shrubs or garden beds. It offers true freedom of movement across the yard.

   The brushless motor is a major plus, as it runs cooler and lasts longer than standard brushed motors. The 40V system provides enough punch for standard maintenance.

   The trade-off is the battery runtime. Depending on how thick your thatch is, you might need a spare battery to finish a large lawn in one go.

5. 2-in-1 Electric Dethatcher Scarifier

   
   
   
   Solid mid-range option
   View Latest Price
   • AmpsNot listed
   • Width13 inch
   • Adjustment4-Position
   • TypeCorded Electric
   • Best forSmall to medium yards
   • Standout4-position depth control

   The 2-in-1 Electric Dethatcher Scarifier is a straightforward, no-nonsense tool. It gets the job done without unnecessary bells and whistles.

   It is a great choice for budget-conscious gardeners who need a reliable machine for annual lawn maintenance. The 13-inch width is perfect for standard residential lots.

   The four-position depth adjustment allows for excellent control over how aggressively you want to scarify. It's easy to adjust on the fly as you move across different lawn densities.

   The smaller working width means you will spend a bit more time walking back and forth compared to the 16-inch models, but it is very easy to store.

6. Replacement Dethatcher Blade

   
   
   
   Essential maintenance part
   View Latest Price
   • CompatibilityDTS15 Series
   • TypeReplacement Part
   • UseBlade swap
   • Best forExisting owners
   • StandoutGenuine fit

   This Replacement Dethatcher Blade is not a full machine, but it is vital for those who already own the 24V-X2-DTS15 system. Keep this on hand to ensure your tool stays sharp.

   If your current blades are worn down, your dethatcher will pull grass rather than cutting through thatch. This replacement brings back the original performance.

   Installation is fairly simple if you have basic tools. Replacing the blade annually is a good habit for anyone who uses their dethatcher heavily each spring.

   The lower rating reflects the fact that it is a consumable part, not a machine. Don't expect it to fix a unit that has motor or electrical issues.

7. Lawn Dethatcher 12 Amp Corded WG850

   
   
   
   Compact and portable
   View Latest Price
   • Amps12A
   • Width14 inch
   • Adjustment3-Position
   • TypeCorded Electric
   • Best forTight storage spaces
   • StandoutEasy portability

   The Lawn Dethatcher 12 Amp Corded WG850 is a fantastic option for those who prioritize portability. It is lightweight and easy to lift into a garage shelf.

   This is perfect for gardeners who have limited shed space. Despite its compact footprint, it packs enough power for standard residential lawn care.

   The three depth adjustments cover the basics well. It is very easy to maneuver around trees and garden edges, making it a favorite for smaller, complex yards.

   The trade-off is the build material, which feels a bit more plastic-heavy than the premium models. It is built for light to medium duty, not heavy commercial use.

8. 2 X V20 Brushless Lawn Dethatcher

   
   
   
   Decent cordless performance
   View Latest Price
   • Width14 inch
   • Capacity50L
   • TypeCordless Battery
   • Best forMid-sized cordless users
   • Standout45-minute runtime

   The 2 X V20 Brushless Lawn Dethatcher is a solid contender in the cordless market. It offers a respectable 45 minutes of runtime, which is enough for many average yards.

   The 50L collection bag is quite generous, allowing you to cover more ground before needing to stop and empty the debris. This is a big help for efficiency.

   I found the brushless motor to be quite quiet compared to my corded units. It provides a smooth, consistent experience without the hassle of a power cord.

   The runtime is the main constraint. If your lawn is heavily neglected, you might find yourself needing to recharge mid-job, which can be frustrating.

What to Look for in Best Sun Joe Aj798e Electric Lawn Dethatcher

Motor Power and Performance

Look for a 12-amp motor or higher to ensure the machine can effectively remove thick thatch and moss without stalling.

Dethatching vs Scarifying Modes

Choose a 2-in-1 model that offers both raking and cutting functions to promote deep root growth and lawn health.

Adjustable Depth Control

Select a unit with multiple depth settings to accommodate different grass types and varying levels of soil compaction.

Collection Bag Capacity

A large-capacity detachable collection bag significantly reduces the number of trips needed to empty debris during your session.

Ease of Storage

Prioritize designs with collapsible handles to save valuable space in your garden shed or garage during the off-season.

Frequently Asked Questions

Is the Sun Joe AJ798E suitable for large yards?

It is best suited for small to medium-sized lawns due to its corded design. You will need a high-quality outdoor extension cord to reach all areas of your property.

How often should I use a dethatcher?

Most experts recommend dethatching once a year, typically in the early spring or fall. This timing allows the grass to recover and thrive during its primary growing season.

Does this model come with a scarifier blade?

Yes, the AJ798E is a 2-in-1 tool that includes both a dethatching tine reel and a scarifying blade. You can easily swap these based on your lawn's specific needs.

Will the dethatcher damage my lawn?

If used at the correct depth setting, it will not harm healthy grass. It is designed to lift away dead organic matter while leaving the living root system intact.

How do I clean the machine after use?

Always disconnect the power before cleaning. Use a soft brush to clear debris from the tines and ensure the air vents are free of grass clippings.

Can it remove moss effectively?

Absolutely, the scarifying function is highly effective at slicing through moss mats. This allows air, water, and nutrients to reach the soil surface more efficiently.