Best Greenworks String Trimmer 80v (2026)

Maintaining a tidy landscape around my garden beds requires reliable equipment, which is why I often look toward the greenworks string trimmer 80v line. Whether you are clearing weeds near delicate irrigation lines or trimming around raised bed corners, having the right spool and power setup is essential for a clean finish.

In this review, I evaluated the current market offerings to see which accessories and tools best support the greenworks string trimmer 80v ecosystem. From high-capacity spools to specialized attachments, finding the right match can significantly improve your efficiency during weekend garden maintenance.

My top picks include the 0.080" Twiste Trimmer Line for its versatility and the 6PC SB00L00 Dual Trimmer Line for those who prioritize budget-friendly bulk refills. Each option caters to different maintenance needs, whether you are managing a small patio garden or a larger backyard space.

Quick Picks for Best Greenworks String Trimmer 80v

	Best Overall	0.080" Twiste Trimmer Line for Greenworks	Build: Solid	Size: Standard	Best For: Bulk Roll	View Latest Price	Read Review
	Best Budget	6PC SB00L00 Dual Trimmer Line Replacement	Build: Solid	Size: ST80L00/STBA80	Best For: 6-pc kit	View Latest Price	Read Review
	Best Premium	SB00L00 Spool for ST80L200	Build: Solid	Size: Standard	Best For: Single spool	View Latest Price	Read Review
	Best Compact	SB00L00 0.080" Dual Line Refill	Build: Solid	Size: Standard	Best For: 4-pack	View Latest Price	Read Review
	Best Brushless	40V 17-Inch Brushless String Trimmer	Build: 40V	Size: 40V System	Best For: Tool only	View Latest Price	Read Review
	Best Value	16-Inch Hedge Trimmer Attachment	Build: Solid	Size: Standard	Best For: Shop use	View Latest Price	Read Review
	Most Portable	SB00l00 String Trimmer Spool	Build: Solid	Size: Standard	Best For: Dual line	View Latest Price	Read Review
	Runner Up	0.080" 160-Foot String Trimmer Line	Build: Solid	Size: Standard	Best For: Shop use	View Latest Price	Read Review

Selecting the right Greenworks 80V string trimmer requires balancing raw power with the delicate precision needed to maintain raised-bed edges and irrigation zones without damaging your infrastructure.

How We Compared Best Greenworks String Trimmer 80v

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 Greenworks String Trimmer 80v (2026)

1. 0.080" Twiste Trimmer Line for Greenworks

   
   
   
   Reliable bulk performance
   View Latest Price
   • CompatibilityUniversal Greenworks
   • Line Diameter0.080 inch
   • Length157 feet
   • Best forFrequent garden maintenance
   • StandoutTwisted line design

   This bulk line stands out for its versatile compatibility across various Greenworks platforms. It is designed to handle the torque of an 80V system without snapping prematurely.

   It is perfect for the home gardener who wants to keep a large supply on hand. I evaluated the specs and found this is ideal for those who trim frequently around stone borders.

   In practice, the twisted shape helps cut through tougher weeds near raised beds. It feeds smoothly, which reduces the time spent stopping to clear jams.

   The trade-off here is the manual winding process. Since it is a bulk roll, you will need to take the time to wind it onto your spool yourself.

2. 6PC SB00L00 Dual Trimmer Line Replacement

   
   
   
   Best budget value
   View Latest Price
   • CompatibilityST80L00, STBA80
   • Kit Size6-pc kit
   • Line TypeDual line
   • Best forBudget-conscious maintenance
   • StandoutHigh quantity kit

   This 6-piece kit is a practical choice for owners of the greenworks string trimmer 80v who want to minimize downtime. Having pre-wound spools ready to go is a massive time-saver.

   If you have a large garden with many obstacles, this kit ensures you won't run out of line mid-job. It is specifically tailored for the ST80L00 series.

   I evaluated the kit contents and found that the dual-line design provides a clean cut, which is essential when trimming near irrigation risers or delicate plants.

   The trade-off is that these are pre-wound, so you are limited to the specific line length provided by the manufacturer rather than customizing your own spool.

3. SB00L00 Spool for ST80L200

   
   
   
   Premium replacement spool
   View Latest Price
   • CompatibilityST80L200, ST60V
   • Kit SizeSingle spool
   • DurabilityHigh impact plastic
   • Best forPrecision trimming
   • StandoutBroad compatibility

   This spool is a high-quality replacement for those using the ST80L200 model. It is designed to fit securely into the trimmer head for consistent feeding.

   It is best for gardeners who prefer an authentic replacement part to ensure the auto-feed mechanism functions as intended during operation.

   I evaluated the specifications, noting its compatibility across both 60V and 80V platforms, which makes it a flexible addition to a mixed-tool shed.

   The trade-off is the price point per unit. While it offers reliability, it is a single-spool purchase, making it less economical than the larger multi-packs.

4. SB00L00 0.080" Dual Line Refill

   
   
   
   Compact and efficient
   View Latest Price
   • CompatibilityGreenworks 80V
   • Kit Size4-pack
   • Line TypeDual line
   • Best forSmall space gardening
   • StandoutAuto-feed ready

   This 4-pack of refills is a compact solution for keeping your trimmer running. It is specifically designed to work with the auto-feed systems found on many 80V models.

   It is perfect for gardeners with smaller plots who need enough line for a full season but don't want to store massive bulk rolls.

   I evaluated the fit and noted that the dual-line configuration is excellent for keeping edges near raised beds looking sharp and uniform.

   The trade-off is the 3.9-star rating, which suggests that some users have experienced varying results with line durability compared to heavier-duty options.

5. 40V 17-Inch Brushless String Trimmer

   
   
   
   Brushless power efficiency
   View Latest Price
   • Compatibility40V Battery system
   • Kit SizeTool only
   • Best forExtended runtime
   • StandoutBrushless efficiency

   While this is a 40V unit, it serves as a powerful alternative for those who find the 80V line too heavy for their specific gardening tasks.

   The brushless motor is the star here, offering better efficiency and a longer lifespan for the tool, which is a great trade-off for the slightly lower voltage.

   I evaluated the build and found the 17-inch cutting path is quite wide, making it efficient for clearing larger areas around the perimeter of a garden.

   The trade-off is that it does not use your 80V batteries. You would need to invest in the 40V battery ecosystem to operate this machine.

6. 16-Inch Hedge Trimmer Attachment

   
   
   
   Versatile attachment capability
   View Latest Price
   • CompatibilityAttachment capable trimmers
   • Kit Size1 attachment
   • Blade Length16 inches
   • Best forShaping garden hedges
   • StandoutQuick-connect system

   If you own an attachment-capable greenworks string trimmer 80v, this hedge trimmer head is a must-have upgrade. It transforms your trimmer into a multi-tool.

   It is best for gardeners who have hedges bordering their garden beds and need to keep them shaped without buying a separate dedicated hedge trimmer.

   I evaluated the attachment system and found it allows for quick transitions between trimming grass and tidying up shrubs, which is vital for efficient workflow.

   The trade-off is the added weight to the end of the trimmer shaft, which can make the unit feel slightly front-heavy during long sessions.

7. SB00l00 String Trimmer Spool

   
   
   
   Simple, portable refill
   View Latest Price
   • CompatibilityST80L00, ST80L210
   • Kit SizeDual line spool
   • MaterialDurable plastic
   • Best forQuick field replacements
   • StandoutEasy installation

   This spool is a straightforward replacement for the ST80L00 and ST80L210 models. Its portability makes it an easy item to keep in a garden tool bag.

   It is designed for the gardener who wants a simple, no-fuss replacement when the line runs out. It fits the 80V trimmer head perfectly.

   I evaluated the specifications and found that the dual-line design is standard, providing a reliable cut for routine garden maintenance tasks.

   The trade-off is that there is no user rating data available, so it is a bit of a wildcard compared to the more established, reviewed products.

8. 0.080" 160-Foot String Trimmer Line

   
   
   
   High-capacity bulk line
   View Latest Price
   • CompatibilityUniversal 0.080"
   • Kit Size160ft roll
   • MaterialStandard trimmer line
   • Best forHeavy-duty seasonal use
   • StandoutHigh durability rating

   With a 4.6-star rating, this high-capacity bulk line is a favorite for those who do a lot of trimming. Its 160-foot length will last through many garden seasons.

   It is ideal for the serious gardener who prefers to wind their own spools to ensure the line is perfectly seated for their specific trimmer head.

   I evaluated the feedback and noted that users appreciate its durability when cutting against hard surfaces like concrete or stone garden edging.

   The trade-off, as with all bulk rolls, is the manual labor required to wind it. You must be careful to wind it evenly to prevent feeding issues.

What to Look for in Best Greenworks String Trimmer 80v

Battery Compatibility and Runtime

When choosing a Greenworks 80V trimmer, the battery ecosystem is your primary consideration. These high-voltage batteries are designed for heavy-duty clearing, but they also offer variable speed triggers that are essential when working near fragile irrigation lines or sensitive raised-bed corners. Look for kits that include the 2.0Ah or 4.0Ah batteries, as the weight distribution significantly impacts maneuverability in tight garden spaces. A 2.0Ah battery is often sufficient for standard lawn edging, but if you are clearing brush around perimeter fences or orchard areas, the 4.0Ah battery ensures you won't lose power mid-task. Always prioritize genuine Greenworks 80V cells to ensure the thermal management systems function correctly, preventing overheating during prolonged summer trimming sessions when the heat index is high.

Cutting Width and Path

The cutting path of your trimmer determines how quickly you can clear a space, but in a structured garden, bigger is not always better. A 16-inch or 17-inch cutting swath is standard for the 80V line, providing excellent coverage for open lawn areas. However, when navigating between raised beds or around delicate irrigation drip lines, a wider swath increases the risk of 'collateral damage' to your crops. Look for models that offer an adjustable cutting width or a highly responsive trigger that allows for low-RPM operation. Controlling the speed allows you to trim right up to the edge of a wooden planter or a stone border without stripping the finish or severing irrigation tubing, making precision control the most vital factor for serious gardeners.

Shaft Design and Ergonomics

The physical design of the shaft—straight versus curved—dictates how you reach under shrubs or behind raised-bed structures. A straight shaft is generally preferred for the Greenworks 80V series because it provides better reach and a more natural line of sight for the operator. Ergonomics are equally important; look for balanced weight distribution where the motor is positioned to minimize wrist fatigue. Since 80V trimmers are heavier than their 40V counterparts, an adjustable auxiliary handle is a must-have feature. This allows you to customize the grip height to match your stature, reducing back strain during long sessions. A well-balanced tool ensures you can maintain a stable cutting angle, which is crucial for achieving a clean, professional-looking edge along your garden pathways.

Line Feeding Mechanism

The efficiency of your trimmer is only as good as its line feeding system. Most Greenworks 80V units utilize a bump-feed head, which is the industry standard for reliability. When working near raised beds, you want a system that feeds line consistently without jamming, as frequent stops to clear a tangled spool interrupt your workflow. Look for compatibility with professional-grade 0.080-inch or 0.095-inch trimmer lines. The SB00L00 dual-line spools are excellent for maintaining a consistent cutting diameter. A high-quality auto-feed system saves time and prevents the frustration of having to manually pull line while standing in the middle of a garden bed. Ensure the spool cap is durable enough to withstand accidental contact with stone or concrete borders, which is common in landscape edging.

Brushless Motor Efficiency

Always opt for a brushless motor when investing in the Greenworks 80V platform. Brushless technology significantly increases the lifespan of the tool by reducing friction and heat buildup during operation. In a garden setting, this translates to more torque, which is essential when you encounter thick, woody weeds that have encroached upon your irrigation manifolds or raised-bed perimeters. Brushless motors are also more energy-efficient, meaning you get more runtime per charge, which is a major advantage for large properties. Furthermore, these motors are generally quieter than brushed counterparts, allowing you to maintain your garden early in the morning without disturbing neighbors. The increased torque-to-weight ratio provided by brushless motors makes the 80V trimmer a versatile tool for both light trimming and heavy-duty vegetation management.

Durability and Weather Resistance

Garden tools are exposed to harsh conditions, from high humidity to direct UV exposure. When evaluating a Greenworks 80V trimmer, check the build quality of the housing and the sealing of the battery compartment. Since you will be working around irrigation systems, the tool should be able to withstand occasional splashes or high-humidity environments. The materials used in the guard and the shaft should be impact-resistant, as you will inevitably strike stone or metal edges while trimming. Investing in a tool with reinforced structural components ensures that the trimmer remains functional for years, even after accidental drops or heavy-duty use. Look for models that offer easy access for routine maintenance, such as cleaning out debris from the head, to ensure the longevity of the drive assembly.

Attachment Capability

Versatility is a key factor for the modern gardener. Many Greenworks 80V trimmers are part of a 'universal' attachment system, allowing you to swap the trimmer head for a blower, hedge trimmer, or even an edger. This is incredibly practical for small-space growing where storage is limited. By owning one power head and multiple attachments, you reduce the footprint of your tool shed while maintaining the ability to handle various garden tasks. When choosing your trimmer, check if the shaft is compatible with multi-tool attachments. This modularity is a game-changer for maintaining irrigation lines, clearing paths between raised beds, and managing lawn edges, providing a comprehensive solution that adapts to the shifting needs of your garden throughout the changing seasons.

Frequently Asked Questions

Can I use a 40V battery on an 80V Greenworks trimmer?

No, you cannot use a 40V battery on an 80V Greenworks string trimmer. The battery platforms are physically and electrically incompatible due to the difference in voltage output and terminal configuration. Attempting to force a battery into the wrong port can cause permanent damage to both the battery cells and the trimmer's internal circuitry. For the best performance, always match the voltage of your battery to the tool's rating. The 80V system is specifically engineered to provide higher torque and longer runtime, which is necessary for the heavy-duty brushless motors found in these units, ensuring they can handle dense vegetation near your garden infrastructure.

How do I prevent damaging my irrigation lines while trimming?

To protect your irrigation lines, always maintain a steady, controlled pace and use the trimmer's variable speed trigger to keep the RPMs low when working near exposed tubing. Many gardeners find that using a trimmer with an adjustable guard or a physical edge guide helps maintain a safe distance from delicate infrastructure. When you are trimming near raised beds, consider using a manual hand edger for the final inch of soil contact to avoid accidental strikes with the string. If you must use the trimmer, approach the area from an angle that directs the spinning line away from the irrigation components, minimizing the risk of a clean cut through the plastic.

What is the best way to load the SB00L00 spool?

Loading the SB00L00 spool correctly is vital for smooth operation. First, ensure the trimmer is powered off and the battery is removed for safety. Align the slots on the spool head with the arrows on the housing, then thread the 0.080-inch line through the eyelets until you have an equal length on both sides. Rotate the spool head in the direction indicated by the arrows to wind the line evenly. Avoid overlapping the line, as this causes tangles that prevent the bump-feed mechanism from working. A clean, uniform wind ensures that the line releases properly when you bump the head against the ground during your garden maintenance.

Are 80V trimmers too heavy for small garden beds?

While 80V trimmers are heavier than 40V or corded models, they are not necessarily too heavy for small garden beds if used correctly. The weight is largely due to the high-capacity battery, which provides the necessary power for efficient clearing. To manage the weight, use a shoulder strap to distribute the load across your torso rather than relying solely on your arms. By adjusting the auxiliary handle to your specific height, you can maintain a balanced posture. For tight, intricate work in small-space growing areas, the extra weight is often offset by the tool's ability to clear tough weeds quickly, reducing the total time you spend holding the device.

How often should I replace the trimmer line?

The frequency of line replacement depends on the density of the vegetation and the number of hard surfaces you encounter. If you are trimming around stone borders or concrete raised-bed foundations, the line will wear down much faster due to abrasion. You will know it is time to replace the line when the length is no longer sufficient to provide an effective cutting path or when the bump-feed mechanism fails to advance new line. Regularly inspecting the spool during your garden workflow allows you to stay ahead of the game. Using high-quality 0.080-inch line, such as the Twiste replacement, can extend the interval between refills significantly.

Is the Greenworks 80V trimmer quiet enough for residential areas?

Yes, Greenworks 80V trimmers are significantly quieter than gas-powered alternatives, making them ideal for residential neighborhoods. Because they utilize brushless electric motors, they produce a high-pitched hum rather than the loud, low-frequency roar of a combustion engine. This allows you to work in your garden early on a weekend morning without causing a noise disturbance. The variable speed trigger also allows you to operate at a lower volume when doing light maintenance around your raised beds or flower borders. This noise reduction is a major benefit for gardeners who value a peaceful environment while maintaining their outdoor living spaces.

Can I use this trimmer for edging my lawn?

Yes, many Greenworks 80V string trimmers feature a rotating head or a design that allows for edging. By rotating the head 90 degrees, you can turn the trimmer into a vertical edger, which is perfect for creating clean lines along your walkways or raised-bed borders. Ensure you are using a steady hand to maintain a consistent depth as you move along the edge. Because the 80V motor provides high torque, it performs exceptionally well at edging, even through thick grass that has grown over the side of a garden path. Always wear eye protection, as edging produces more debris than standard horizontal trimming.

How do I store my 80V battery during the winter?

Proper battery storage is crucial for the longevity of your Greenworks 80V system. During the winter months, store your batteries in a cool, dry place, ideally at a charge level of about 40% to 60%. Avoid leaving the batteries in a freezing garage or shed, as extreme temperatures can degrade the lithium-ion chemistry over time. If you have a dedicated tool shed, bring the batteries inside your home where the temperature remains stable. Keeping the contacts clean and free of debris will also ensure they remain ready for the first spring maintenance session, preventing connection issues that could lead to intermittent power during operation.

What should I do if the trimmer head stops spinning?

If the head stops spinning, first check for debris wrapped around the shaft, such as tall grass, vines, or even a piece of stray irrigation tubing. It is common for long weeds to tangle behind the spool head, creating enough friction to stop the motor. If the area is clear, check the battery connection to ensure it is fully seated and that the contacts are clean. If the motor still does not engage, there may be an internal fault or a tripped thermal protector. Allow the tool to cool down for 15 minutes before attempting to restart it. If the issue persists, consult the manual for troubleshooting specific to your model.

Are there specific lines that work better for raised beds?

For raised beds, a slightly thinner, high-durability line is often better than a very thick, heavy-duty line. A 0.080-inch line, like the Twiste replacement, provides a good balance between cutting power and flexibility. This flexibility is key because it allows the line to deflect slightly if it hits the side of a wooden or stone planter, reducing the chance of damaging the planter's surface. Avoid using serrated or extremely heavy-gauge lines around delicate garden features, as they can be too aggressive and cause unwanted scarring on your infrastructure. Always prioritize a clean, sharp line to ensure you are cutting the vegetation rather than tearing it.