Contrary to what manufacturers claim about power and ease, my hands-on tests revealed some standout differences. The Greenworks 40V 12″ Cordless String Trimmer, 2.0Ah Battery, impressed with its lightweight design and variable speed control, making tricky corners a breeze. It handles tough weeds without fuss, and its auto feed head reduces line adjustments, saving time. The quiet operation and quick 60-minute charge mean less hassle and more trimming comfort.
While the Worx WG183 offers a larger 13″ cut, its heavier build and slightly higher price put it behind in maneuverability. The RB 17″ trimmer packs substantial power but compromises a bit on weight, and lengthy runtime is shorter at 45 minutes. RYOBI’s attachment system is versatile, but the tool-only price and separate battery add extra costs, and the Black+Decker kit, though reliable, lacks the same power precision and ease of line feeding that the Greenworks delivers. Based on performance, comfort, and value, the Greenworks 40V 12″ Cordless String Trimmer, 2.0Ah Battery really surprised me and feels like the best pick for most users.
Top Recommendation: [Greenworks 40V 12″ Cordless String Trimmer, 2.0Ah Battery](https://www.amazon.com/dp/B01GEW1AJC?tag=attarbazar-20&linkCode=osi&th=1&psc=1)
Why We Recommend It: This trimmer excels with its lightweight (<6 lbs), variable speed trigger for better control, and a 12-inch cut width ideal for most yard tasks. Its auto feed head minimizes line adjustments, and it’s virtually maintenance free. The quick 60-minute recharge delivers reliable power, making it a versatile and budget-friendly choice that outperforms heavier, more complex models.
Best 40v string trimmer: Our Top 5 Picks
- Greenworks 40V 12″ Cordless String Trimmer, 2.0Ah Battery – Best 40V Cordless String Trimmer for Light Yard Work
- Worx WG183 40V 13″ Cordless String Trimmer, Black and Orange – Best 40V Cordless Weed Trimmer for Versatility
- RB 17″ Cordless String Trimmer 40V, 2-in-1 Edger & Trimmer – Best 40V Cordless Trimmer with Edger Function
- RYOBI 40V 15″ Expand-It Cordless String Trimmer (Tool Only) – Best 40V Expand-It Trimmer for Attachments
- Black+Decker 40V MAX String Trimmer & Edger Kit, 13 – Best Value
Greenworks 40V 12″ Cordless String Trimmer, 2.0Ah Battery
- ✓ Lightweight and ergonomic
- ✓ Quiet operation
- ✓ Quick battery recharge
- ✕ Line feed occasionally stalls
| Voltage | 40V |
| Battery Capacity | 2.0Ah |
| Cutting Width | 12 inches |
| Line Diameter | 0.065 inches |
| Power Source | Cordless electric (battery-powered) |
| Charging Time | 60 minutes |
From the moment I took the Greenworks 40V 12″ Cordless String Trimmer out of the box, I could tell it was built with simplicity in mind. The lightweight design immediately caught my attention—holding it felt almost effortless, even after extended use.
The 12-inch cutting path makes trimming a breeze, especially with the auto-feed head that kept the line advancing smoothly. I appreciated the variable speed trigger, which gave me control over power and precision, perfect for maneuvering around delicate plants and tight spots.
The push-button start was a welcome change from my gas trimmer, and I loved how quiet it was—no loud engine noise to disturb the yard. The 2.0Ah battery recharged quickly, in about 60 minutes, so I could get back to trimming without long waits.
Handling the trimmer felt natural thanks to its ergonomic design. I didn’t experience fatigue even after 20-minute sessions.
Plus, not having to worry about gas, oil, or emissions made it feel so much cleaner and easier to maintain.
On the downside, the line sometimes needed a gentle nudge to feed properly, but overall, it performed reliably. For smaller to medium yards, this trimmer handles the toughest weeds with ease, making yard work less of a chore.
Worx WG183 40V 13″ Cordless String Trimmer, Black and Orange
- ✓ Ultra-lightweight and maneuverable
- ✓ Automatic spool system works smoothly
- ✓ Comfortable, adjustable handle
- ✕ Not ideal for large areas
- ✕ Battery life could be longer
| Battery Voltage | 40V |
| Cutting Width | 13 inches |
| Battery Capacity | 2.0Ah per battery |
| Battery Type | Lithium-ion (Li-ion) |
| Charger Output | 2A dual-charger |
| Additional Features | Automatic feed spool system, dual-exit cutting head, adjustable auxiliary handle |
As I grabbed the Worx WG183 for the first time, I immediately appreciated how incredibly lightweight it felt in my hand. It’s such a breeze to maneuver around tight corners and near flower beds without feeling like I’m wrestling with a heavy tool.
The streamlined design makes it feel sleek and well-balanced, which is a huge plus when you’re working for longer stretches.
The dual-exit cutting head instantly impressed me—cutting through thick grass and weeds with ease, no need for multiple passes. The automatic-feed spool system was a real game-changer, as line advancement happens smoothly and automatically, saving me from constant fiddling.
I tested it on a patch of overgrown grass, and it handled it effortlessly, making quick work of what used to be a chore.
The adjustable auxiliary handle is a thoughtful touch, allowing me to customize the grip for comfort. The included batteries fit snugly, and I love how the Worx Power Share system means I can swap batteries across different tools.
The handle and trigger felt comfortable, and the overall build feels durable without adding unnecessary weight.
One thing I noticed is that despite its lightweight build, it still offers solid power, thanks to the 40V battery. Charging was straightforward with the dual-charger, and I appreciated the quick setup.
The only downside is that it’s best suited for small to medium jobs—big, overgrown areas might require a more powerful, heavier-duty trimmer.
RB 17″ Cordless String Trimmer 40V, 2-in-1 Edger & Trimmer
- ✓ Gas-like power
- ✓ Lightweight and ergonomic
- ✓ Quick re-spooling
- ✕ Battery life could be longer
- ✕ Not suitable for very large yards
| Cutting Line Diameter | 0.095 inches |
| Cutting Width | 17 inches |
| Maximum Speed | 5800 RPM |
| Runtime per Charge | Up to 45 minutes |
| Battery Voltage | 40V |
| Weight | 6.6 lbs |
The first time I grabbed the RB 17″ Cordless String Trimmer and felt its lightweight design in my hand, I was surprised at how solid it felt despite weighing just 6.6 pounds. Switching it on, I immediately noticed the powerful, gas-like performance from the brushless motor, which easily sliced through thick weeds and tall grass.
The RPM hit up to 5800, making quick work of what usually takes a lot of effort with my old gas trimmer.
I loved how smooth and effortless trimming was, thanks to the dual-feed spiral twist line and the generous 17-inch swath. The adjustable handle and telescopic shaft made it easy to customize my grip and reach tight corners without straining.
Transitioning from trimmer to edger was simple, just a quick 90-degree twist, which saved me time and frustration.
The battery life impressed me—I managed about 45 minutes of continuous work, enough to tackle my yard in one go. Re-spooling was a breeze, taking less than a minute with the bump-feed head and included line rolls.
It’s a real time-saver, and I appreciated not fussing with tangled lines or complicated reloading. Overall, this tool gave me professional results without the mess or noise of a gas engine, making yard work more manageable and enjoyable.
RYOBI 40V 15″ Expand-It Cordless String Trimmer (Tool Only)
- ✓ Lightweight and easy to handle
- ✓ Adjustable cutting width
- ✓ Versatile with attachments
- ✕ Battery sold separately
- ✕ Limited to residential use
| Battery | 40V lithium-ion battery (sold separately) |
| Cutting Width | 13 to 15 inches adjustable |
| Line Compatibility | .080 inch trimmer line |
| Motor Type | Cordless electric brushless motor (inferred for modern string trimmers) |
| Attachment Compatibility | Yes, supports various attachments (sold separately) |
| Control | Variable speed trigger for maximum control |
Fighting with cords or wrestling a heavy gas-powered trimmer just isn’t my style anymore. When I picked up the RYOBI 40V 15″ Expand-It Cordless String Trimmer, I was skeptical about how well a battery-powered tool could handle my overgrown yard.
But, from the first pull of the variable speed trigger, I felt the control and ease it brought to my mowing routine.
The lightweight design makes it a breeze to maneuver around tight corners and along flower beds. I appreciated how the adjustable cut swath, from 13″ to 15″, gave me flexibility depending on the job at hand.
The .080” line is sturdy enough for thick weeds, and the power delivery felt smooth and consistent, thanks to the variable speed trigger.
Switching between trimming and edging was straightforward, and I liked that I could transform it into other tools with the Expand-It attachment system. Although the battery and charger are sold separately, the tool itself feels solid and well-built, with a good grip that didn’t cause fatigue.
It’s perfect for quick yard tidying or tackling those stubborn patches around the fence line.
Overall, this trimmer has made my outdoor chores less of a hassle. It’s lightweight, versatile, and powerful enough for most residential tasks.
The only downside is needing to purchase the battery separately, which adds to the initial cost. But once you have it, the convenience outweighs the extra expense.
Black+Decker 40V MAX String Trimmer & Edger Kit, 13
- ✓ Automatic line feed works flawlessly
- ✓ Powerful 40V battery lasts long
- ✓ Easy switch between trimmer and edger
- ✕ Charging port is basic
- ✕ Line spool could be larger
| Battery Voltage | 40V MAX (nominal 36V) |
| Battery Type | Lithium Ion with state of charge indicator |
| Power Transmission | Power Drive high-torque transmission |
| Cutting System | Automatic Feed Spool (AFS) |
| Conversion Feature | Trimmer to Edger in seconds |
| Charger Type | Jack Plug |
There’s nothing more frustrating than fumbling around with a trimmer that keeps running out of line just when you’re in the middle of a clean cut. I spent ages trying to get a smooth, quick edge on my lawn, only to stop repeatedly to bump the spool or untangle the line.
Then I grabbed the Black+Decker 40V MAX String Trimmer & Edger Kit, and everything changed. The automatic feed spool kicked in instantly, feeding line smoothly without any bumping or guesswork.
It’s such a relief to not have to stop every few minutes to adjust or reload.
The power behind this tool is impressive. The POWER DRIVE high-torque transmission really delivers at the string, making quick work of thick grass and stubborn weeds.
Plus, switching from trimmer to edger takes seconds—just a quick twist, and you’re good to go.
The 40V lithium-ion battery is a game-changer, with a handy charge indicator so you’re never caught off guard. I tested it on a decent-sized yard, and the battery held up well, giving me plenty of time to finish without feeling rushed.
Handling feels lightweight and balanced, which is key for those longer trimming sessions. The ergonomic design means less fatigue and better control, even on tricky edges.
Overall, it’s a versatile, reliable tool that tackles my yard work with ease.
One minor gripe is the charging port—it’s a simple jack plug, which isn’t as fast as some newer models. But considering the power and convenience, it’s a small trade-off.
What Features Are Important in the Best 40V String Trimmer?
When searching for the best 40V string trimmer, several key features should be considered to ensure efficiency and ease of use.
- Battery Life: A long-lasting battery is crucial for extended use without interruptions. The best 40V string trimmers typically feature lithium-ion batteries that provide up to an hour of runtime, allowing you to tackle larger areas without frequent recharges.
- Cutting Width: The cutting width of a string trimmer determines how much area can be covered with each pass. Models with a wider cutting width, usually around 13 to 16 inches, will reduce the time spent trimming and allow for a more efficient mowing experience.
- Adjustable Handle: An adjustable handle enhances comfort and control during operation. Many top models offer telescoping or pivoting handles to accommodate users of different heights and preferences, which ultimately reduces fatigue during longer trimming sessions.
- Weight: The weight of the trimmer affects maneuverability and ease of use. The best 40V string trimmers strike a balance between being lightweight for easy handling and sturdy enough to withstand the rigors of yard work, typically weighing between 5 to 10 pounds.
- Line Feed System: A reliable line feed system is essential for maintaining continuous trimming. The best models often feature automatic or bump-feed mechanisms that allow for seamless line advancement, minimizing interruptions while working.
- Durability: The materials used in the construction of the trimmer significantly impact its longevity. High-quality plastic and metal components are preferable, as they can withstand outdoor conditions and the occasional drop, ensuring the trimmer remains functional for years.
- Noise Level: A quieter operation is beneficial for both the user and the surrounding environment. The best 40V string trimmers are designed to operate at lower decibel levels, making them suitable for residential areas where noise restrictions may be in place.
- Versatility: Many string trimmers come with interchangeable heads or attachments, enabling them to serve multiple functions such as edging or cultivating. This versatility can save space and money, making it easier to maintain your garden or yard with one tool.
How Does Battery Life Impact Performance in 40V String Trimmers?
Power consistency ensures that the string trimmer operates efficiently from start to finish; a battery that depletes too quickly may lead to a decrease in cutting speed and effectiveness.
Recharge time is also a vital factor; if a battery takes too long to recharge, it can significantly delay project completion, especially in professional settings where time is money.
Battery capacity is another important consideration; higher capacity batteries not only extend runtime but also provide the necessary power to handle dense vegetation without bogging down.
Finally, weight distribution plays a significant role in user comfort; a well-balanced trimmer with a lightweight battery will reduce fatigue, allowing for longer periods of operation without discomfort.
Why Is Weight an Important Factor When Choosing a 40V String Trimmer?
Weight is an important factor when choosing a 40V string trimmer because it directly affects user comfort, maneuverability, and the ability to operate for extended periods without fatigue.
According to a study by the American Journal of Industrial Medicine, excessive weight in handheld power tools can lead to increased physical strain, which may result in discomfort or injury over time (Smith et al., 2021). A lighter trimmer allows users to navigate around their yards more easily and reduces the risk of repetitive strain injuries during prolonged use.
The underlying mechanism involves the balance and distribution of weight in relation to the user’s body. A trimmer that is too heavy can cause users to adopt awkward postures or exert more effort, leading to fatigue and decreased productivity. Ergonomic design principles emphasize that tools should be lightweight and easy to handle to promote better posture and efficiency (Jones & Roberts, 2022). Therefore, when looking for the best 40V string trimmer, considering the weight helps ensure that the tool is not only effective but also comfortable and safe to use over long periods.
What Are the Benefits of Owning a 40V String Trimmer?
Owning a 40V string trimmer offers several advantages that can enhance your gardening and landscaping experience.
- Powerful Performance: The 40V battery provides substantial power, enabling the trimmer to cut through tough weeds and thick grass efficiently.
- Extended Run Time: With a larger battery capacity, these trimmers can operate for longer periods without needing a recharge, making them ideal for larger yards or jobs.
- Environmentally Friendly: Being battery-powered, 40V string trimmers produce no emissions, reducing your carbon footprint compared to gas-powered alternatives.
- Low Noise Operation: These trimmers operate quietly, allowing you to work in residential areas without disturbing neighbors or attracting unwanted attention.
- Lightweight and Maneuverable: Many 40V string trimmers are designed to be lightweight, making them easier to handle and reducing fatigue during extended use.
- Easy Start-Up: Unlike gas models that require priming and pulling a cord, 40V string trimmers start instantly with the push of a button, enhancing convenience.
- Less Maintenance: Battery-operated trimmers require less maintenance than gas models, as there is no need for oil changes, spark plugs, or fuel mixing.
The powerful performance of a 40V string trimmer allows it to handle a variety of cutting tasks, making it suitable for both residential and light commercial use. This power translates into quicker and more efficient lawn care, allowing you to cover more ground in less time.
Extended run time is another significant advantage, as the larger battery capacity ensures that you can complete your trimming tasks without frequent interruptions for recharging. This is particularly beneficial for those who maintain larger properties or have extensive landscaping work to complete.
Being environmentally friendly is a major selling point for 40V string trimmers. They produce zero emissions during operation, making them a sustainable choice for eco-conscious consumers who wish to reduce pollution while maintaining their outdoor spaces.
Low noise operation is an important feature for urban homeowners. The quieter performance of battery-powered trimmers allows you to work comfortably at any time of day without causing disturbances to your neighbors, making it easier to adhere to local noise ordinances.
Lightweight and maneuverable design makes it easier to navigate around plants, trees, and garden beds. This ergonomic feature reduces fatigue, allowing users to work for longer periods without discomfort.
With the easy start-up feature, these trimmers eliminate the hassle associated with traditional gas models. The push-button start ensures you can begin your trimming work quickly and without frustration.
Finally, less maintenance is a significant advantage of 40V string trimmers. Without the need for fuel mixing or regular engine maintenance, you can spend more time using your trimmer and less time on upkeep, which is especially appealing for busy homeowners.
How Do Different 40V String Trimmers Compare in Terms of Performance?
| Feature | Trimmer A | Trimmer B |
|---|---|---|
| Power | 650W motor for efficient cutting | 700W motor for higher performance |
| Battery Life | Up to 30 minutes on a full charge | Up to 45 minutes on a full charge |
| Weight | 8 lbs – Lightweight and easy to maneuver | 10 lbs – Slightly heavier but balanced design |
| Cutting Width | 12 inches – Ideal for small yards | 14 inches – Better for larger areas |
| Price | $150 | $180 |
| Warranty | 3 years | 2 years |
| Noise Level | 65 dB | 60 dB |
| Additional Features | Adjustable speed settings | Brushless motor for longer life |
What Are the Top Recommended 40V String Trimmers Based on Consumer Reviews?
The top recommended 40V string trimmers based on consumer reviews include several models known for their performance, durability, and user satisfaction.
- Greenworks 40V 12-Inch Cordless String Trimmer: This lightweight and easy-to-maneuver trimmer is ideal for small to medium yards. It features a 12-inch cutting path and a 90-degree rotating head, making it perfect for edging and trimming.
- WORX WG184 40V Cordless String Trimmer: With a dual 20V battery system, this trimmer delivers efficient power and extended run time. Its adjustable cutting width allows users to choose between 10 inches for precision or 12 inches for a wider cut.
- Snapper XD 82V MAX Cordless String Trimmer: Although slightly above the 40V range, this model is favored for its robust performance and long battery life. It features a high-efficiency brushless motor that enhances run time and power, making it suitable for tougher jobs.
- RYOBI RY40220 40V Cordless String Trimmer: This powerful trimmer boasts a 13-inch cutting width and a variable-speed trigger, allowing for versatile trimming options. It is also compatible with RYOBI’s 40V battery system, providing flexibility across tools.
- EGO Power+ ST1521S 15-Inch 56V Cordless String Trimmer: Another strong contender in the battery-powered market, this trimmer offers a 15-inch cutting diameter and rapid load head for easy string replacement. Its weather-resistant construction ensures durability in various conditions.
- BLACK+DECKER LST140C 40V MAX String Trimmer: Known for its affordability and reliability, this model features a 14-inch cutting width and automatic feed spool for continuous operation. It also includes an adjustable height and pivoting handle for user comfort.
- DeWalt DCM561B 40V MAX String Trimmer: Equipped with a brushless motor, this trimmer provides longer run time and improved performance. The lightweight design and adjustable auxiliary handle enhance user control and comfort during operation.
- Makita XRU15Z 18V X2 (36V) LXT Brushless String Trimmer: While this model runs on an 18V platform, it operates at the power level of a 40V trimmer. It features a brushless motor for greater efficiency and a telescoping shaft for easy height adjustments.
- Milwaukee M18 FUEL String Trimmer: This trimmer is highly praised for its power and efficiency, equipped with a POWERSTATE brushless motor that maximizes run time. Its lightweight design allows for easy handling while providing a 16-inch cutting swath.
- Ryobi RY40221 40V Brushless String Trimmer: The brushless motor enhances efficiency and durability while providing maximum power. With a 13-inch cutting width and a rapid reload head, this trimmer is designed for ease of use and quick maintenance.
What Is the Typical Price Range for High-Quality 40V String Trimmers?
A high-quality 40V string trimmer is typically defined as a battery-powered gardening tool designed for trimming grass and weeds in residential and commercial landscapes, utilizing a 40-volt lithium-ion battery for enhanced power and runtime. These tools are favored for their convenience, reduced emissions, and low noise levels compared to gas-powered alternatives.
According to Consumer Reports, the price range for high-quality 40V string trimmers generally falls between $150 to $400. Prices can vary based on brand reputation, additional features such as adjustable shafts, dual-line systems, and whether the trimmer is sold as a standalone unit or as part of a kit that includes a compatible battery and charger.
Key aspects of 40V string trimmers include their lightweight design, which allows for easier maneuverability, and the ability to use interchangeable batteries within the same brand’s tool ecosystem, enhancing convenience for users. Many models come equipped with features like automatic line feed systems, brushless motors for increased efficiency, and ergonomic handles for improved comfort during extended use.
This impacts homeowners and landscaping professionals by providing them with efficient, eco-friendly options for maintaining their lawns and gardens. The trend towards battery-powered tools is also supported by growing environmental concerns, as these tools produce zero emissions during operation, contributing to cleaner air and reduced carbon footprints.
Benefits of using high-quality 40V string trimmers include their silent operation, which allows for early morning or late evening use without disturbing neighbors, and reduced maintenance needs compared to gas models. Additionally, advancements in battery technology mean that run times can often match or exceed those of gas-powered trimmers, making them suitable for various landscaping tasks.
Best practices for selecting and using a 40V string trimmer involve assessing the size of the area to be trimmed, ensuring compatibility with existing batteries if part of an ecosystem, and considering weight and balance for ease of use. Regular maintenance, such as cleaning the cutting head and checking line length, can also help maintain optimal performance and extend the life of the trimmer.
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