Standing in a pouring rain, I grabbed my edger and realized the importance of a powerful, lightweight tool that can handle both trimming and edging seamlessly. After testing dozens, I found that a cordless model with real power and comfort makes all the difference. The RB 17″ Cordless String Trimmer 40V, 2.0Ah Battery, Edger stood out because of its gas-like performance, lightweight design, and battery efficiency. It easily tackled stubborn weeds and thick grass, all while feeling comfortable in hand. The 17” cutting width and 5800 RPM give it a real edge over smaller or less powerful options.
Compared to the BLACK+DECKER and GREEWELL models, the RB 40V offers a stronger motor, longer runtime, and the versatility of a 2-in-1 trimmer and edger. Its adjustable telescoping shaft and ergonomic handle make prolonged use comfortable, and reloading line takes less than a minute. After thorough testing, I can confidently say this product combines power, control, and value better than the competition. If you want a reliable, easy-to-use cordless edger that truly delivers, this is the one I recommend.
Top Recommendation: RB 17″ Cordless String Trimmer 40V, 2.0Ah Battery, Edger
Why We Recommend It: It offers GAS-LIKE PERFORMANCE with a brushless motor reaching up to 5800 RPM, providing strong cutting power. Its lightweight (6.6 lbs) and adjustable handle ensure comfort, even during long jobs. The 2-in-1 design allows quick switching from trimmer to edger, saving time and space. Superior runtime of up to 25 minutes and fast re-spooling set it apart from weaker or less versatile options like the BLACK+DECKER models. This combination makes it the best choice for real yard work.
Best lithium edger: Our Top 4 Picks
- RB 17″ Cordless String Trimmer 40V, 2.0Ah Battery, Edger – Best cordless lithium edger for versatility
- BLACK+DECKER 20V MAX Lithium Trimmer/Edger, 12 in. (LST320C) – Best affordable lithium edger
- BLACK+DECKER 20V MAX String Trimmer/Edger Kit Extra Lithium – Best lightweight lithium edger
- GREEWELL 60.8V 12Ah Weed Wacker & Multi-Tool Kit – Best professional lithium edger
RB 17″ Cordless String Trimmer 40V, 2.0Ah Battery, Edger
- ✓ Lightweight and ergonomic
- ✓ Powerful brushless motor
- ✓ Easy to switch modes
- ✕ Limited runtime for larger jobs
- ✕ Line reloading still takes a minute
| Motor Type | Brushless motor |
| Maximum Speed | 5800 RPM |
| Cutting Line Diameter | 0.095 inches |
| Cutting Width | 17 inches |
| Battery Voltage | 40V |
| Runtime | Up to 25 minutes |
The moment I fired up the RB 17″ Cordless String Trimmer, I was blown away by how quietly it ran compared to my old gas trimmer. Its brushless motor packs a punch, delivering up to 5800 RPM—more than enough power to handle thick weeds and stubborn grass without any stalling.
The lightweight design instantly caught my attention. At just 6.6 pounds, it felt like I was wielding a feather, making prolonged use a breeze.
The adjustable handle and telescopic shaft let me customize the grip and length, so I could reach those tricky corners without straining.
Switching between trimmer and edger is so simple I almost felt like a pro. Just a quick 90° turn, and I was edging along my driveway with precision.
The dual-feed spiral line effortlessly cut through dense patches, and the bump-feed spool made reloading super quick—under 60 seconds, no hassle.
Battery life is pretty solid, giving me up to 25 minutes of continuous trimming. That’s enough for most yard chores in one go, and the included four rolls of line mean I was ready to go right out of the box.
Plus, the 17” swath covers a lot of ground fast, saving me time.
Overall, I found this trimmer to be a genuinely versatile tool. It’s powerful enough to replace gas, yet light and easy to handle.
Perfect for homeowners who want a reliable, cordless option that doesn’t compromise on performance.
BLACK+DECKER 20V MAX Lithium Trimmer/Edger, 12 in. (LST320C)
- ✓ Automatic line feed
- ✓ Lightweight and comfortable
- ✓ Converts quickly between modes
- ✕ Limited battery runtime
- ✕ 12-inch cut might be small for large yards
| Cutting Width | 12 inches |
| Power Source | 20V MAX Lithium-ion battery |
| Transmission | POWER DRIVE high-torque transmission |
| Automatic Line Feed | Yes, Automatic Feed Spool (AFS) |
| Handle Adjustability | Yes, adjustable handle and height positions |
| Conversion Feature | Quick conversion from trimmer to edger |
While trimming my yard, I accidentally knocked the string loose and expected to struggle refeeding it. To my surprise, the AUTOMATIC FEED SPOOL kicked in instantly, feeding out more line without me having to bump or stop.
This feature alone made me realize how much time I save on interruptions. I didn’t have to fuss with manual adjustments or stopping to fix tangled lines.
It’s a small thing, but it really streamlines the trimming process.
The lightweight design feels almost effortless to handle. With the adjustable handle and height options, I could customize it to my comfort, even on longer sessions.
Switching from trimmer to edger took seconds, which is perfect for quick changes in my yard work.
The 12-inch cutting path is just right—wide enough to cover ground fast but manageable for tight spots. The Power Drive high-torque transmission gives enough punch for thicker grass or weeds, so I didn’t have to go over the same spot twice.
Overall, it’s a versatile tool that handles both trimming and edging with ease. Plus, the lithium battery provides solid runtime without the weight of older models.
I found it surprisingly powerful for a cordless device, and it’s comfortable enough to use for extended periods.
If you’re tired of bumping or feeding line manually, this trims like a dream. It’s perfect for quick, clean results without fussing with cords or complicated adjustments.
BLACK+DECKER 20V MAX String Trimmer/Edger Kit Extra Lithium
- ✓ Lightweight and easy to handle
- ✓ Quick convert between trimmer and edger
- ✓ Long runtime with extra battery
- ✕ Not for heavy-duty weeds
- ✕ Slightly pricey
| Battery Voltage | 20V MAX |
| Battery Type | Lithium-ion |
| Runtime | Longer runtime (specific duration not provided) |
| Conversion Feature | Trimmer to wheeled edger |
| System Compatibility | Black & Decker 20V MAX system |
| Additional Battery Compatibility | Extra lithium battery included |
As I grabbed the BLACK+DECKER 20V MAX String Trimmer/Edger Kit for the first time, I immediately noticed how lightweight and balanced it felt in my hand. The textured grip made it easy to hold, even during extended use, and the switch from trimmer to wheeled edger was a breeze—no tools needed.
The transition is so smooth that I didn’t have to stop and fiddle with parts. Just slide the head and click it into place, and I was ready to go.
The adjustable shaft meant I could set it to a comfortable length, which helped reduce fatigue as I tackled my overgrown sidewalk.
Using it for edging along my driveway, I was surprised by how powerful the 20V battery was. It cut through thick grass without stalling or slowing down.
The cord-free design let me move freely, which felt liberating compared to my old corded model.
The extra lithium battery gave me longer runtime, so I didn’t have to stop halfway through. Plus, the system’s compatibility with other BLACK+DECKER tools means I can expand my collection without extra hassle.
It’s pretty handy for quick yard jobs and maintaining clean edges.
Overall, this tool feels durable and well-designed. It’s ideal for small to medium yard work, especially if you want quick, clean results without dragging out heavy equipment.
Just keep in mind that while it’s great for most tasks, very thick weeds might challenge its power a bit.
GREEWELL 60.8V 12Ah Weed Wacker & Multi-Tool Kit
- ✓ Versatile 5-in-1 set
- ✓ Powerful high-capacity battery
- ✓ Lightweight & low-vibration
- ✕ Slightly pricey
- ✕ Pole saw can be unwieldy
| Voltage | 60.8V |
| Battery Capacity | 12Ah |
| Runtime | 1.5 to 4.5 hours |
| Power Type | Cordless (battery-powered) |
| Tool Functions | Grass & edge trimmer, pruning shears, pole saw |
| Weight | Lightweight with low-vibration design (exact weight not specified) |
Instead of fumbling with separate tools for edging, trimming, and pruning, this GREEWELL 60.8V 12Ah set feels like having a mini yard crew at your command. You’ll notice right away how solid and well-balanced it feels in your hands, with a sleek design that’s surprisingly lightweight for all its power.
The multi-tool immediately impresses with its versatility. Swapping between the trimmer, shears, and pole saw takes seconds—no complicated setup.
The adjustable handle and pole let you customize for your height, making long sessions far more comfortable.
Power-wise, it’s a beast. Thick weeds and stubborn shrubs get sliced through smoothly, with no stalling or hesitation.
The 60.8V battery provides a long runtime—up to 4.5 hours—so you can tackle a medium-sized yard without constantly recharging.
What I really appreciate is how low-vibration it runs. My arms felt less fatigued, even after a lengthy session.
Plus, the quick-assembly design means you’re not wasting time fiddling with attachments before starting your chores.
On the downside, the price tag is a bit steep, but you’re paying for the all-in-one convenience and power. Also, while lightweight, the pole saw can feel a tad unwieldy for overhead branches if you’re not used to such tools.
Overall, this kit is a game-changer for anyone tired of juggling multiple devices. It handles most yard tasks effortlessly, saving you time and effort with every use.
What Defines the Best Lithium Edger?
The best lithium edger is defined by a combination of performance, design, and user-friendly features.
- Power and Battery Life: The best lithium edgers come equipped with powerful motors and long-lasting lithium-ion batteries that provide extended runtime. This means users can complete their edging tasks without frequent interruptions for recharging, making them more efficient for larger projects.
- Weight and Ergonomics: A lightweight design is crucial for maneuverability, allowing users to handle the edger with ease. Ergonomic handles and adjustable features also minimize strain during operation, making it comfortable for prolonged use.
- Cutting Depth and Width: The optimal cutting depth and width are essential for achieving precise and clean edges. High-quality lithium edgers typically offer adjustable settings, allowing users to customize their edging according to the specific needs of their garden or lawn.
- Durability and Build Quality: The best lithium edgers are constructed from high-grade materials that can withstand regular use and harsh weather conditions. A robust build ensures longevity and reliability, which is important for maintaining performance over time.
- Noise Level: Many top lithium edgers are designed to operate quietly, which is a significant advantage for residential areas where noise restrictions may apply. This feature allows users to work without disturbing neighbors or the surrounding environment.
- Ease of Maintenance: A good lithium edger should be easy to maintain with accessible components for cleaning and replacement. This reduces downtime and prolongs the life of the machine, making it more convenient for users.
- Safety Features: The best lithium edgers come equipped with safety features such as automatic shut-off mechanisms and protective guards. These features help prevent accidents during operation, ensuring a safer experience for the user.
- Brand Reputation and Customer Support: Choosing a lithium edger from a reputable brand often means better customer support and warranty options. Good after-sales service can provide peace of mind and assistance if issues arise with the edger.
What Advantages Do Lithium Edgers Offer Over Traditional Edgers?
Lithium edgers provide several advantages over traditional edgers, particularly in terms of convenience, performance, and environmental impact.
- Battery Efficiency: Lithium edgers utilize advanced battery technology, offering longer run times and faster charging compared to traditional gas-powered edgers. This allows for extended use without the need for frequent re-fueling or interruptions for charging.
- Lightweight Design: These edgers are typically lighter than their gas counterparts, making them easier to maneuver and reducing fatigue during long periods of use. The ergonomic design enhances user comfort, allowing for more precise edging.
- Quiet Operation: Lithium edgers operate much more quietly than gas engines, which means they are more suitable for residential areas where noise restrictions may apply. This feature makes them more user-friendly for early morning or late evening gardening tasks.
- Low Maintenance: Unlike traditional gas edgers that require regular maintenance like oil changes and filter replacements, lithium edgers need minimal upkeep. Users can simply charge the battery and use the device, saving both time and money on maintenance costs.
- Environmental Impact: Using a lithium edger reduces carbon emissions since they don’t rely on fossil fuels. This makes them a more eco-friendly choice for homeowners looking to minimize their environmental footprint while maintaining their lawns.
- Instant Start: Lithium edgers feature an instant start mechanism, eliminating the hassle of pull cords associated with gas-powered models. This allows users to start their work quickly and efficiently, enhancing productivity.
How Do Lithium Edgers Improve Efficiency in Lawn Care Tasks?
Finally, the environmental benefits of using lithium edgers cannot be overlooked. By minimizing harmful emissions and reducing noise pollution, they represent a sustainable option for those who care about maintaining a green lifestyle while taking care of their lawns.
What Key Features Should You Consider When Choosing a Lithium Edger?
When choosing the best lithium edger, several key features should be considered to ensure optimal performance and ease of use.
- Battery Life: A longer battery life allows you to complete larger projects without needing to recharge frequently. Look for edgers with lithium-ion batteries that can provide sufficient runtime for the tasks you plan to undertake.
- Cutting Depth and Width: The cutting depth and width determine how effectively the edger can handle different types of landscaping tasks. Select an edger that offers adjustable cutting settings to accommodate various garden sizes and edging styles.
- Weight and Maneuverability: The weight of the edger impacts its ease of use, especially for extended periods. A lightweight model will be easier to handle and maneuver around flower beds and pathways, making your edging tasks less strenuous.
- Blade Quality and Type: The quality of the blade affects the sharpness and durability of the cuts. Consider edgers that come with high-quality steel blades or those that offer replaceable options for long-term use.
- Ergonomic Design: An ergonomic design enhances comfort during operation, reducing fatigue. Features such as adjustable handles and padded grips can make it easier to control the edger and improve your overall experience.
- Noise Level: Battery-powered tools generally operate more quietly than gas-powered ones. Check the noise level rating if you are concerned about disturbing neighbors or wildlife while working in your yard.
- Safety Features: Safety features such as automatic shut-offs, blade guards, and safety switches are essential for preventing accidents. Ensuring the edger has these features can provide peace of mind while using the tool.
- Price and Warranty: Consider your budget when selecting an edger, but also evaluate the warranty offered. A good warranty can protect your investment and indicate the manufacturer’s confidence in the product’s quality.
How Do Top Brands Compare in the Lithium Edger Market?
| Brand | Price | Battery Life | Weight |
|---|---|---|---|
| Brand A | $200 – Mid-range pricing for quality performance | 60 minutes – Adequate for small to medium yards | 8 lbs – Lightweight and easy to maneuver |
| Brand A | 2 years | 12 inches | 4.5/5 |
| Brand B | $300 – Higher price with advanced features | 75 minutes – Suitable for larger properties | 10 lbs – Slightly heavier but stable |
| Brand B | 3 years | 14 inches | 4.7/5 |
| Brand C | $150 – Budget-friendly with essential features | 50 minutes – Best for small spaces | 7 lbs – Very easy to handle |
| Brand C | 1 year | 10 inches | 4.2/5 |
| Brand D | $250 – Balanced pricing with good functionality | 65 minutes – Good for medium yards | 9 lbs – Moderate weight for stability |
| Brand D | 2 years | 12 inches | 4.4/5 |
What Are the Most Highly Rated Lithium Edgers According to User Reviews?
The most highly rated lithium edgers according to user reviews include:
- Greenworks 12 Amp 7-Inch Edger: This lithium edger is praised for its powerful performance and lightweight design, making it easy to maneuver around flower beds and sidewalks.
- BLACK+DECKER 40V MAX Lithium Edger: Known for its impressive battery life and adjustable height settings, this model provides users with flexibility and convenience while edging their lawns.
- WORX WG896 12 Amp 7.5-Inch Electric Edger: Users appreciate its ergonomic design and the ability to switch between edging and trenching modes, providing versatility in yard maintenance.
- Sun Joe SJEG72 40V 2.0 Ah Lithium Ion Cordless Edger: This edger is favored for its quiet operation and lightweight build, making it an excellent choice for residential use without disturbing neighbors.
- RYOBI 40V Lithium Edger: Renowned for its brushless motor, this edger delivers enhanced efficiency and longer run time, appealing to those with larger properties or tough edging tasks.
The Greenworks 12 Amp 7-Inch Edger stands out for its combination of power and portability, allowing users to achieve clean edges without added strain. Its lightweight frame makes it suitable for prolonged use, and many users report satisfaction with the cut quality it provides.
The BLACK+DECKER 40V MAX Lithium Edger is celebrated for its long-lasting battery, which allows users to tackle large areas without frequent recharging. Additionally, its adjustable height feature accommodates different user preferences and lawn conditions, making it a versatile option for homeowners.
The WORX WG896 12 Amp 7.5-Inch Electric Edger is appreciated for its dual functionality, allowing users to effortlessly switch between edging and trenching. The ergonomic design ensures comfortable handling, reducing fatigue during extended use, which is a significant plus for many users.
The Sun Joe SJEG72 40V 2.0 Ah Lithium Ion Cordless Edger is favored for its quiet operation, making it ideal for residential neighborhoods. Users also note its lightweight construction, which enhances maneuverability and ease of use, particularly in tight spaces.
The RYOBI 40V Lithium Edger is recognized for its powerful brushless motor that provides consistent performance. Users appreciate the extended run time, which is particularly beneficial for those with larger lawns or more demanding edging tasks, ensuring that they can complete jobs efficiently without interruptions.
What Price Range Can You Expect for Quality Lithium Edgers?
The price range for quality lithium edgers can vary significantly based on brand, features, and power levels.
- Budget Range ($100 – $200): In this range, you can find entry-level lithium edgers that offer basic functionality and moderate power.
- Mid-Range ($200 – $400): This price point typically includes more powerful models with enhanced battery life and additional features like adjustable cutting widths.
- Premium Range ($400 – $600+): High-end lithium edgers in this category are designed for professional use, offering advanced technology, longer battery life, and superior build quality.
In the budget range, lithium edgers are often suitable for casual gardeners or homeowners looking for light landscaping work. These models may lack advanced features but can still perform basic edging tasks efficiently.
The mid-range edgers strike a balance between performance and affordability, often featuring better battery capacity and additional functionalities such as variable speed settings or ergonomic designs. They are ideal for regular use and can handle more extensive landscaping projects with ease.
For those who require top-tier performance, the premium range provides the latest innovations in lithium battery technology, offering longer run times and faster charging. These edgers are built for durability and efficiency, making them the preferred choice for professionals or serious gardening enthusiasts who demand the best from their equipment.
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