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A good String Trimmer makes quick work of lawn edges, tight corners, and overgrown spots you cannot reach with a mower. The right trimmer saves time, reduces strain, and produces cleaner lines that keep landscape beds and walkways looking cared for. This guide covers seven shortlisted string trimmers that represent strong options for typical yard sizes and chores. We evaluated each on cut quality, runtime, handling, and durability to help you decide which tool fits your routine. Read on for clear criteria and the practical tradeoffs that matter to gardeners.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Greenworks 60V 16 in Cordless Brushless String Trimmer with 4.0Ah Battery |  |
| Best Quality Built to a higher standard if you want something more solid | EGO POWER+ 16" Cordless String Trimmer with 4.0Ah Battery and Charger (ST1623T) |  |
| Best Value The sweet spot between price and what you get | BLACK+DECKER 20V MAX 12-Inch Cordless String Trimmer and Edger (LST300) |  |
| Best Budget The cheapest option that still gets the job done reliably | BLACK+DECKER BEST935 13-inch Corded Electric String Trimmer (4.0A) |  |
| Highest Rated A top-rated pick with lots of positive feedback | ALSO GO 21V Cordless Electric String Trimmer with 12" Cutting Swath |  |
| Most Popular A crowd favorite that many people choose with confidence | BLACK+DECKER 6.5-Amp 14-inch Corded String Trimmer and Edger (BESTA510) |  |
| Best Seller A high-volume bestseller chosen again and again | WORX WG163 20V 12" Cordless 2-in-1 String Trimmer and Edger |  |
Greenworks 60V 16 in Cordless Brushless String Trimmer with 4.0Ah Battery
| Power Source | Battery Powered |
|---|---|
| Cutting width | 16 inches |
| Speed | 10000 rpm |
| Number of Batteries | 1 Lithium Ion (included) |
The Greenworks 60V 16-inch cordless string trimmer is a versatile battery-powered tool aimed at homeowners who need reliable, reasonably powerful trimming without gas maintenance. Its brushless motor and 16-inch cutting width let you tackle thicker grass and cover ground faster than narrower consumer models, while the included 4.0Ah battery and charger get you started right away. The Load N' Go head makes line changes quick and simple, and the adjustable shoulder strap plus a balanced layout reduce operator fatigue during longer sessions. Because it is attachment-capable, you can expand the tool’s usefulness with compatible Greenworks attachments on the 60V platform. Practical limitations are typical of battery trimmers: runtime depends on cutting conditions and heavy-duty jobs may need a fresh battery or a higher-capacity pack. The unit is heavier than compact models, which can matter if you frequently perform short, light trimming tasks, but that weight contributes to stability and cutting power for larger yards.
Best for: Homeowners with medium to large yards who want a cordless trimmer that balances power, run time, and expandability and who value easy line changes and compatibility with a 60V tool ecosystem.
Less Ideal for: Those who only need a very lightweight trimmer for occasional touch-ups or users who prefer gas-powered tools for continuous heavy-duty clearing.
- Brushless 60V motor for stronger cutting power and improved efficiency
- 16-inch cutting width covers more area and speeds up trimming
- Load N' Go head allows fast, no-fuss line reloading
- Includes 4.0Ah battery and charger and fits the Greenworks 60V platform
- Attachment-capable shaft expands functionality with compatible tools
- Heavier than smaller consumer trimmers which may increase fatigue for short tasks
- Runtime will vary by load and may require a spare battery for extended jobs
Verdict: A well-rounded cordless trimmer that delivers brushless power, a wide 16-inch cut, and easy maintenance for most medium to large yard jobs.
EGO POWER+ 16" Cordless String Trimmer with 4.0Ah Battery and Charger (ST1623T)
| Power Source | Battery Powered |
|---|---|
| Cutting width | 16 inches |
| Number of Batteries | 1 Lithium Ion (included) |
This EGO POWER+ 16" string trimmer is built for users who want gas-like performance without the fuss of fuel. It delivers a continuous 16-inch cutting swath using Line IQ auto-sensing line feed and Powerload for one-button reloading, which keeps you working without frequent stops. The included 4.0Ah ARC lithium battery and fast 320W charger provide up to about 60 minutes of runtime on a charge and quick top-ups when needed. A brushless motor reduces vibration and boosts durability while the carbon fiber telescopic shaft adds strength and lets you set a comfortable length. Variable speed control helps match power to the job, from light edging to thicker weeds. Important limitations are typical of battery tools: heavy-duty, prolonged commercial use may exceed a single battery’s runtime and replacement batteries add cost. Also the unit’s guard and line system require correct setup for safe operation. For homeowners focused on high cutting performance and convenient reloading, this kit is a strong cordless option.
Best for: A buyer who prioritizes high cutting performance and quick, low-fuss operation for regular home lawn maintenance and edging; ideal for DIYers who value speed and convenience over lowest cost.
Less Ideal for: Not the best choice for professional landscapers who need uninterrupted all-day runtime without swapping batteries or for buyers seeking the cheapest basic trimmer option.
- Line IQ auto-sensing keeps a continuous 16-inch cutting swath without manual bump feeding.
- PowerLoad technology makes reloading string fast and simple with a push-button spool wind.
- Includes a 4.0Ah ARC lithium battery and fast charger for up to about 60 minutes of runtime and quick recharge.
- Carbon fiber telescoping shaft offers high strength with adjustable length for user comfort.
- Brushless motor and digital variable speed improve efficiency, reduce vibration, and extend tool life.
- Single included battery limits continuous heavy-duty runtime for large properties without spares.
- Relies on proprietary line and battery platform which may require buying brand-specific replacements.
Verdict: Choose this EGO kit if you want a cordless trimmer that balances near-gas power, fast reloading, and a long single-charge runtime for performance-focused yard work.
BLACK+DECKER 20V MAX 12-Inch Cordless String Trimmer and Edger (LST300)
| Power Source | Battery Powered |
|---|---|
| Cutting width | 12 inches |
| Speed | 6200 rpm |
| Number of Batteries | 1 Lithium Ion (included) |
The BLACK+DECKER LST300 is a compact battery-powered string trimmer that converts quickly into a wheeled edger, making it useful for small to medium lawns and sidewalk edges. It uses the 20V Powerconnect lithium battery system and a PowerDrive transmission to boost torque at the cutting head, while the automatic feed spool advances line without bumping. Adjustable handle height and a lightweight build keep it comfortable for extended use, and the included 2.0 Ah battery and charger let you start right away. The 12-inch cutting width and 6200 rpm speed are well suited to routine trimming, overgrowth control, and clean edging, but heavier brush or very tall weeds may require slower, multiple passes or a more powerful model. The wheeled edger mode makes straight borders easier, but converting between modes and managing battery runtime are considerations if you have a larger yard. Overall this is a practical, easy-to-use cordless trimmer for homeowners who want a low-maintenance alternative to gas tools and compatibility with other 20V Powerconnect batteries.
Best for: Buyers who want a straightforward, low-maintenance cordless trimmer/edger for regular yard upkeep and tidy borders, and who value tool interoperability within a 20V battery system.
Less Ideal for: Do not choose this if you need prolonged runtime or to clear dense, woody brush across large properties; look for higher-voltage or gas-powered options instead.
- 2-in-1 design converts between trimmer and wheeled edger for flexible use
- Automatic Feed Spool advances line without manual bumping
- PowerDrive transmission increases torque for improved cutting performance
- Includes 20V Powerconnect 2.0 Ah battery and charger so the tool is ready to use
- Adjustable handle and lightweight construction improve comfort and control
- 12-inch cutting swath and 2.0 Ah battery limit runtime and speed on very large or heavy brush areas
- Not intended for heavy brush clearing compared with gas or higher-voltage models
Verdict: A convenient, lightweight 2-in-1 cordless trimmer and edger that delivers practical performance for routine lawn trimming and edging when you want an easy, battery-based solution.
BLACK+DECKER BEST935 13-inch Corded Electric String Trimmer (4.0A)
| Power Source | Corded Electric |
|---|---|
| Cutting width | 13 inches |
| Included Components | AF-100 Spool |
| Power | 4.0A |
The BLACK+DECKER BEST935 is a straightforward corded string trimmer designed for routine yard cleanup on a budget. Its 4.0 amp motor and 13-inch cutting diameter let you trim grass and light overgrowth efficiently around flower beds, sidewalks, and fences. The Automatic Feed Spool reduces interruptions by feeding line as you work, and the head rotates so the tool converts to an edger for neater borders. A built-in auxiliary handle and lightweight construction make it easy to maneuver during short to medium sessions. Because it is corded, you get consistent power without battery maintenance, but you are limited by cord length and need a safe extension setup. The unit is best for small to medium lawns and occasional use rather than heavy-duty clearing. Included AF-100 spool provides a ready-to-use line but replacement spools are standard size so you can keep it running affordably. For buyers prioritizing value and simplicity, this trimmer covers the basics without extras that raise cost.
Best for: Buyers who want an affordable, no-frills trimmer for routine lawn maintenance and clean edging around small to medium yards.
Less Ideal for: Property owners with large lawns, heavy brush, or who need cordless mobility should consider higher-power or battery models instead.
- Consistent corded power for uninterrupted trimming
- Automatic Feed Spool reduces line bumping and downtime
- 13-inch cutting swath balances maneuverability and coverage
- Lightweight with auxiliary handle for easier handling
- Converts to an edger for clean borders
- Corded design restricts range and requires an extension cord
- Not intended for heavy brush or dense vegetation
Verdict: A dependable, budget-friendly corded trimmer that delivers easy trimming and edging for small to medium yards.
ALSO GO 21V Cordless Electric String Trimmer with 12" Cutting Swath
| Power Source | Battery Powered |
|---|---|
| Cutting width | 12 inches |
| Speed | 9500 rpm |
| Number of Batteries | 2 (included) |
This ALSO GO 21V cordless string trimmer is built for routine yard upkeep where ease of use and dependable performance matter. It runs a high-torque motor at about 9500 rpm and delivers a 12-inch cutting swath, making it suitable for trimming grass and light weeds around lawns, beds, and walkways. The kit includes two 2.0Ah batteries and a fast charger so you can swap batteries for continuous work and return to charge quickly. The head rotates 90 degrees to act as an edger and the shaft adjusts from 0 to 90 degrees for slopes and tight spots. An automatic line feed reduces interruptions and ten spare spools are included so you can get going without buying extras. At roughly 5.3 pounds with an adjustable auxiliary handle, it is comfortable to use for extended periods. Important limits to note are the modest battery capacity for heavy or continuous commercial use and the 12-inch cutting width that is best for domestic lawns rather than wide-area properties.
Best for: A homeowner who values a reliable, easy-to-operate cordless trimmer for regular lawn maintenance and tidy edges around beds, paths, and small yards. Good for users who prefer low-fuss setup and battery swap convenience to keep jobs moving.
Less Ideal for: Landscapers or anyone who regularly tackles large properties or dense, woody vegetation should choose a higher-capacity, commercial-grade trimmer instead.
- Includes two 2.0Ah batteries and a fast charger for quick swap-and-charge operation
- 12-inch cutting swath with 9500 rpm motor offers effective trimming for home lawns
- Automatic line feed with ten spare spools reduces downtime for reloading line
- 2-in-1 head rotates to convert between trimmer and edger for edge cleanup
- Lightweight design and adjustable auxiliary handle improve user comfort and control
- Battery capacity is limited to 2.0Ah cells which may require frequent recharging for longer sessions
- Not designed for heavy-duty commercial workloads or very thick brush
Verdict: A user-friendly, reliability-minded cordless trimmer that delivers convenient battery swapping, automatic line feed, and a convertible edger for dependable home lawn care.
BLACK+DECKER 6.5-Amp 14-inch Corded String Trimmer and Edger (BESTA510)
| Power Source | Corded Electric |
|---|---|
| Cutting width | 14 inches |
| Speed | 8000 rpm |
The BLACK+DECKER BESTA510 is a corded electric 2-in-1 string trimmer that converts to a wheeled edger for finishing borders. It uses a 6.5 amp motor with POWERDRIVE transmission to provide steady torque for cutting grass, weeds, and light overgrowth, while the 14-inch cutting width covers a decent swath per pass. The Automatic Feed Spool keeps line feeding smooth so you avoid frequent bumping and stops, and the integrated cord retention helps prevent accidental unplugging during use. Lightweight construction plus an auxiliary handle and adjustable height positions make it comfortable to maneuver around flower beds, sidewalks, and driveways. Because it is corded, runtime is unlimited but you are limited by cord length and need to manage extension cords. The unit handles routine trimming and edging tasks efficiently but will struggle with very dense brush or thick woody stems where a gas or high-voltage battery model would perform better. For typical homeowner yards this trimmer is straightforward, reliable, and low-maintenance.
Best for: Homeowners who want a simple, dependable corded trimmer that doubles as an edger for regular yard upkeep and clean lawn borders.
Less Ideal for: People with very large properties, remote areas without easy access to power, or those who need a tool for heavy woody brush or professional landscaping work.
- 2-in-1 design converts quickly between string trimmer and wheeled edger for versatile lawn finishing
- Automatic Feed Spool supplies line without bumping, reducing interruptions
- 6.5 amp motor with POWERDRIVE transmission provides consistent torque for routine trimming
- Integrated cord retention prevents accidental unplugging during use
- Lightweight with adjustable handle for easier maneuvering and user comfort
- Corded design limits reach to the length of an extension cord
- Not intended for heavy brush or thick woody growth
Verdict: A reliable, easy-to-use corded trimmer that converts to an edger and is ideal for routine homeowner lawn trimming and edge work.
WORX WG163 20V 12" Cordless 2-in-1 String Trimmer and Edger
| Power Source | Battery Powered |
|---|---|
| Cutting width | 12 inches |
| Speed | 7600 rpm |
| Number of Batteries | 2 Lithium Ion batteries required. (included) |
The WORX WG163 is a compact, battery-powered 2-in-1 trimmer that converts quickly between a string trimmer and an in-line edger without tools. It is designed for routine lawn maintenance and edging on small to medium yards: the head tilts 90 degrees for sloped or tight spots, and rubberized guide wheels help produce straighter edging lines. The Command Feed spool gives on-demand line with a push button so you do not have to bump-feed, and the adjustable spacer guard protects flowers and landscaping while you work. Included PowerShare batteries let you use the same packs across other WORX 20V tools and the unit’s light weight reduces fatigue for longer sessions. Limitations are that it is built for lighter brush and grass rather than heavy vegetation, and run time per charge depends on battery use; buyers who need longer continuous runtime may prefer higher-capacity battery options in the WORX lineup. Safety notes apply for battery charging and routine inspection before use.
Best for: A buyer who wants a reliable, easy-to-use trimmer for routine lawn trimming and clean edging around gardens and walkways, prioritizing low fatigue and simple operation.
Less Ideal for: Not the best choice for users who need a heavy-duty trimmer for thick brush, large properties, or long continuous runtime without swapping batteries.
- 2-in-1 trimmer and edger converts quickly without tools
- Command Feed push-button line advance for controlled line replacement
- Includes two 20V PowerShare batteries and charger that work with other WORX tools
- Tilting head and adjustable spacer guard improve access and protect plants
- Rubberized wheels provide guidance for neater edging
- Designed for light-to-moderate trimming rather than heavy brush or thick weeds
Verdict: Buy this if you want a light, safe, and easy-to-operate 2-in-1 trimmer that covers routine trimming and tidy edging with included PowerShare batteries.
Choosing the Right String Trimmer: Key Factors to Consider
Cut Quality and Line System
How cleanly a trimmer cuts determines how many passes you need and how tidy edges look. Twine thickness, line shape, and the head's rotational speed combine to affect cut quality. Thicker or twisted line holds momentum and slices through denser turf, while thinner line can work well on fine grass without creating ragged edges.
Line feed mechanisms also matter. Bump-feed heads let you release more line without stopping, while automatic feed heads adjust line length as needed. Consider whether you want a head that is simple to reload in the yard or one that keeps you working longer between reloads.
Runtime, Power Type, and Recharge
Power source directly affects convenience and usable session length. Battery-powered trimmers offer quieter operation and easier startup, but battery capacity and motor efficiency determine how much area you can cover on a charge. Gas models deliver continuous power for longer sessions but require fuel storage and more vibration.
If you choose battery power, check how long typical charge cycles last and whether batteries are swappable. For larger yards, a higher-capacity battery or the ability to exchange batteries mid-task can be crucial to avoid interrupted work.
Ergonomics and Weight Distribution
Trimming often involves extended periods of repetitive motion, so comfort is important. Weight distribution influences how easy the tool is to steer along edges and around obstacles. A well-placed shoulder strap or loop handle can reduce strain on your back and arms.
Balance between the motor, cutting head, and battery or fuel tank affects maneuverability. Lighter heads make it easier to keep the cutting line in contact with the grass without lifting the tool. Consider shaft length and adjustability to match your height and reduce stooping.
Durability and Weather Resistance
Outdoor power tools face moisture, dirt, and impact from accidental knocks. Materials such as metal drive shafts and reinforced gearbox housings tend to last longer than thin plastic components. Look for sealed electronics or protective covers on battery compartments and switches to limit water intrusion.
Good build quality also affects long-term ownership costs. Replaceable heads, available spools, and standard fasteners make field repairs easier. Consider whether parts are commonly available and how easy routine servicing will be.
Maintenance Requirements and Parts Availability
Routine maintenance for a trimmer includes line replacement, cleaning the cutting head, and inspecting the drive shaft or gearbox. Models with tool-free access to the head or quick-release spools cut downtime. For gas-powered units, spark plug access and air filter replacement matter.
Parts availability influences how long you can keep a trimmer productive. Standardized spool sizes and common line diameters simplify buying replacements, while unusual components can add frustration. Choose a design where the most-worn parts are easy to source and swap.
Noise, Vibration, and Safety Features
Noise and vibration affect user comfort and community impact. Battery models are usually quieter and vibrate less than two-stroke gas engines. Excessive vibration can cause fatigue and make precise edging harder.
Safety features like blade-guard design, automatic shutoff on obstruction, and clear warnings on rotating parts reduce risk during use. A secure guard that deflects debris and prevents line from contacting delicate plantings is important for working near beds and hardscapes.
Choosing the Right Power Source
Power source choices shape how you use a String Trimmer in the yard. Battery-powered trimmers are convenient for quick tasks and small to medium lawns because they start instantly, run quieter, and require less hands-on maintenance. Gas models work well for large properties or jobs that demand sustained power, but they need fuel mixing, more routine servicing, and tend to be louder.
Consider battery ecosystem if you already own other cordless garden tools. Shared batteries let you extend overall runtimes without buying duplicates. For occasional heavy-duty work, a gas unit or a higher-voltage battery system can deliver the torque needed for thick weeds.
- Battery units: lower noise, easier starting, limited by battery life
- Gas units: longer continuous run, higher maintenance, more power
- Corded electric: unlimited run but restricted by cord reach
Adapting Trimmers to Different Garden Tasks
String trimmers handle more than just lawn edges. Swapping to line suited for brush or switching to a harness can adapt a trimmer for thicker vegetation. Some tools accept metal blades for serious brush clearing, but those attachments change balance and increase noise and risk.
Match the line type and head to the job. Fine monofilament line works well around ornamental plantings because it reduces accidental damage. Braided or heavy-duty line performs better on coarse weeds and crabgrass.
- Use light line for precise edging near beds
- Choose heavy or twisted line for thicker, coarse growth
- Consider attachments only when necessary and with proper guards
Maintenance Routine That Keeps Trimmers Reliable
A short, regular maintenance routine extends service life. Clean the head after each use to prevent grass buildup, check the guard for damage, and inspect the line before every job. For battery units, keep contacts clean and store batteries in a cool, dry place. For gas units, follow small-engine maintenance schedules for spark plugs and air filters.
Practice safe line replacement techniques and carry a spare spool or extra line so you do not improvise repairs mid-task. Simple preventive care avoids many common failures and keeps cutting performance consistent across seasons.
- Wipe debris from the head and guard after use
- Store batteries partially charged in a dry environment
- Inspect drive shaft or gearbox annually for wear
Managing Weight and Handling for Comfortable Use
Proper handling reduces fatigue and improves trimming quality. Choose a trimmer with adjustable shaft length or an extension option to match your height. A well-placed loop handle and a padded shoulder strap distribute weight and make long edging tasks more comfortable.
Balance is particularly important when working near delicate plants or hard edges. If a trimmer feels head-heavy, you will instinctively lift it and create uneven cuts. Test feel and reach before committing to a model to ensure natural control during common tasks.
- Adjust shaft to keep wrists in a neutral position
- Use a strap for sessions longer than 20 minutes
- Prefer lighter heads for precise edging work
Edge-Cutting Techniques for Neat Results
Technique matters as much as equipment. For a clean edge, tilt the trimmer head slightly so the line slices at an angle that severs grass at the base. Walk at a steady pace and overlap passes rather than forcing the head through dense patches in a single pass.
When edging along sidewalks or driveways, move the cutting path away from surfaces slightly to avoid accelerating wear on the line and to prevent damage to hardscapes. Finish with a grooming pass to remove loose clippings and reveal a sharp line.
- Tilt head for slicing action, not hacking
- Overlap short passes instead of one hard pass
- Keep a steady walking speed for uniform edges
How We Chose the Best String Trimmer
We focused on real-world garden performance and features that affect everyday trimming tasks. Key evaluation criteria included cut quality and line feed consistency to judge how cleanly a trimmer slices through grass and light weeds. Runtime and recharge or refuel behavior were measured to reflect common yard sizes and how many passes a typical session requires. Handling and ergonomics were judged for balance, weight distribution, and vibration levels that influence user fatigue. Durability and build quality looked at shaft materials, head robustness, and protective features for long-term outdoor use. Maintenance and replacement parts availability were considered because routine line changes and minor repairs should be straightforward. We excluded specialty tools designed only for heavy brush cutting or commercial landscaping to keep the list relevant to home gardeners. Lightweight handheld models with minimal cutting capability were also filtered out. The final picks represent a balance between practical cutting performance, usable runtime, comfortable handling, and reasonable maintenance needs.
FAQ
How long will a battery-powered String Trimmer run on a single charge?
Runtime depends on battery capacity, motor efficiency, and cutting conditions. For light yard work you can usually expect 20 to 45 minutes from a mid-range battery, while heavier cutting reduces runtime. Having a spare battery or a higher-capacity pack extends usable session length.
What line diameter should I use for normal lawn edges?
A moderate line diameter is usually best for lawn edges, balancing cut quality and longevity. Thinner line is easier on decorative beds and fine grass, while thicker line handles tougher weeds. Match line diameter to the trimmer head's specifications.
Can I use a String Trimmer to clean up around trees and shrubs?
Yes, but use caution. Keep the line at a slight angle and avoid direct contact with trunks or stems. Fine line and lighter passes reduce the risk of harm. Use a guard and maintain a safe working distance around delicate plants.
How often should I replace the trimmer line?
Replace the line when it becomes too short to cut effectively or shows excessive wear. For frequent users, this might be every few sessions. Keeping replacement spools on hand avoids interruptions and ensures consistent cutting performance.
Are gas trimmers worth it for small yards?
Gas trimmers provide more continuous power but come with added maintenance and noise. For small yards, cordless battery trimmers are often more convenient and quieter, though gas may be preferable if you frequently tackle heavy, dense growth.
Final Verdict
Choosing the right String Trimmer comes down to matching power source, line system, and ergonomics to the scale and character of your yard. Prioritize cut quality and a line-feed system that suits the vegetation you trim most often. Balance runtime needs against weight and maintenance requirements so the tool supports regular upkeep rather than becoming a chore. Focus on durability, ease of maintenance, and comfort when you decide. That approach helps you pick a trimmer that stays reliable season after season and produces the tidy edges and clear access that make routine lawn care faster and more satisfying.
