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If you have a small yard, tight corners, or a lot of edging to manage, picking the right String Trimmer under $150 matters. The wrong tool wastes time, wears out quickly, or struggles through thick grass. This guide narrows the field to the top shortlisted trimmers that fit this price cap and are built for typical homeowner tasks. We evaluated models that balance cutting performance, power source practicality, build durability, and ease of use. Below you will find the best options for common mowing and edging jobs plus the criteria we used to pick them and what to consider before you buy.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | BLACK+DECKER 20V MAX 12" Cordless String Trimmer and Edger (LST300) |  |
| Best Value The sweet spot between price and what you get | BLACK+DECKER 20V MAX 12-Inch Cordless String Trimmer and Wheeled Edger (LST522) |  |
| Best Budget The cheapest option that still gets the job done reliably | HortiHub 21V Cordless String Trimmer with 4.0Ah Battery |  |
| Highest Rated A top-rated pick with lots of positive feedback | RAXONE 21V Cordless String Trimmer with 2.5Ah Batteries and Fast Charger |  |
| Most Popular A crowd favorite that many people choose with confidence | WORX 20V 12" 2-in-1 Cordless String Trimmer & Lawn Edger (WG163) |  |
| Best Seller A high-volume bestseller chosen again and again | WORX WG928 20V 12" Cordless Trimmer & 360 CFM Leaf Blower Kit |  |
BLACK+DECKER 20V MAX 12" 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 2-in-1 string trimmer and wheeled edger designed for routine yard maintenance and edging tasks. It uses a 20V Powerconnect lithium-ion battery (included) and a PowerDrive transmission to deliver higher torque at the cutting head, while a 12-inch cutting swath makes it easy to navigate around garden beds and sidewalks. The automatic feed spool keeps line length correct without bumping, and adjustable height plus a textured handle improves comfort for longer sessions. Because it is cordless and lightweight it starts quietly and avoids the fuss of gas tools, and the included wall-mountable charger simplifies storage. Expect solid performance on standard grass and moderate overgrowth; however the 12-inch head and single included 2.0 Ah battery limit runtime and may require slower passes or a second battery for large yards or very thick weeds. For homeowners focused on convenience and everyday trimming, this model balances ease of use with enough cutting power for typical light-to-moderate jobs.
Best for: Homeowners who want an easy-to-use, low-noise cordless trimmer for regular lawn touch-ups and clean edging around sidewalks and beds and who value simplicity and proven performance.
Less Ideal for: Those with several acres, dense brush, or frequent heavy clearing needs should look at higher-voltage cordless or gas-powered trimmers instead.
- Converts quickly between string trimmer and wheeled edger for two common tasks
- Automatic Feed Spool (AFS) keeps line fed without bumping
- PowerDrive transmission increases torque for stronger cutting at the head
- Lightweight with adjustable handle and height for comfortable use
- Includes 20V lithium-ion battery and charger so it is ready to use out of the box
- 12-inch cutting swath and single 2.0 Ah battery limit runtime and may be slow on large yards or very thick weeds
- Not suited for heavy-duty brush cutting compared with more powerful gas or higher-voltage cordless models
Verdict: A lightweight, easy-to-use 2-in-1 cordless trimmer that is ideal for everyday light-to-moderate lawn trimming and edging tasks.
BLACK+DECKER 20V MAX 12-Inch Cordless String Trimmer and Wheeled Edger (LST522)
| Power Source | Battery Powered |
|---|---|
| Cutting width | 12 inches |
| Speed | Two-speed (100 rpm listed) |
| Number of Batteries | 1 Lithium Ion (included) |
This BLACK+DECKER LST522 is a small, lightweight cordless trimmer aimed at routine yard cleanup and edging. It uses the included 20V MAX extended runtime lithium battery and a two-speed PowerDrive transmission so you can choose higher torque for dense grass or lower speed to preserve battery life during longer jobs. The Automatic Feed Spool (AFS) removes the need to bump to release line, which keeps cutting continuous and simple. A quick-convert wheeled edger mode and adjustable handle/height make neat borders along driveways and sidewalks straightforward without extra tools. Practical benefits include the compact 12-inch cutting swath for maneuvering around tight beds and the included charger so it is ready to use out of the box. Limits are its modest cutting width and battery class, which make it best for small to medium yards rather than heavy professional clearing, and run time depends on the chosen speed and vegetation density. For homeowners who value an easy-to-handle, multiuse tool for weekly trimming and clean edging, this is a sensible option.
Best for: Homeowners who want a lightweight, easy-to-use trimmer that handles routine trimming and clean edging around small to medium lawns and tight spaces.
Less Ideal for: Large properties, users who need long continuous runtime for heavy brush, or professionals who require commercial-grade power and wider cutting swaths.
- Includes extended-run 20V MAX lithium battery and charger for immediate use
- Automatic Feed Spool eliminates bumping to advance line for uninterrupted trimming
- Two-speed PowerDrive gives higher torque for thick growth or lower speed for longer runtime
- Converts quickly to a wheeled edger for clean borders without separate tools
- 12-inch cutting width and consumer-grade battery limit suitability for large or heavy overgrowth
- Not intended for commercial or continuous heavy-duty clearing tasks
Verdict: A compact, easy-to-handle cordless trimmer that combines automatic line feed and a wheeled edger conversion for efficient small‑yard trimming and tidy borders.
HortiHub 21V Cordless String Trimmer with 4.0Ah Battery
| Power Source | Battery Powered |
|---|---|
| Cutting width | 12 |
| Speed | 9000 rpm |
| Number of Batteries | 1 Lithium Ion (included) |
This HortiHub cordless string trimmer is designed for routine lawn maintenance on small and medium home yards. It uses a 21V motor running up to 9000 RPM and a 12-inch cutting width to speed trimming passes, while the included 4.0Ah battery delivers roughly 30 to 40 minutes of runtime per charge. The head supports automatic and manual line feeding so you can avoid frequent bumping and the tool converts between trimming and edging modes for clean borders. Ergonomic touches include a telescoping handle and a light, balanced build that reduces fatigue during longer sessions. The package includes a charger, safety goggles, gloves, and spare spools so you can start work right away. Expect solid performance on grass and dense weeds but this trimmer is not intended for woody stems, heavy brush, or sustained commercial use. You may need to keep a spare battery on hand for back-to-back jobs beyond the single-battery runtime.
Best for: Homeowners focused on practical, efficient yard upkeep who want a ready-to-use cordless trimmer for regular grass trimming and edging in small to medium lawns.
Less Ideal for: This tool is a poor fit for users who need a heavy-duty brush cutter or for contractors who require long continuous runtime and commercial durability.
- 12-inch cutting width covers more ground per pass for quicker jobs
- Automatic and manual line feed reduces interruptions for reloading
- Includes 4.0Ah battery and charger so it is ready to use out of the box
- Tool-free conversion between trimmer and edger expands usefulness
- Lightweight, telescoping handle improves comfort and maneuverability
- Runtime of about 30–40 minutes may be limiting for larger yards without a second battery
- Not suitable for woody stems, thick brush, or heavy-duty clearing
Verdict: A practical, lightweight cordless trimmer that speeds routine lawn trimming and edging for small to medium yards while coming ready to use with battery and accessories.
RAXONE 21V Cordless String Trimmer with 2.5Ah Batteries and Fast Charger
| Power Source | Battery Powered |
|---|---|
| Cutting width | 12 inches |
| Speed | 9500 rpm |
| Number of Batteries | 2 (included) |
This RAXONE 21V cordless string trimmer is built for routine yard maintenance on small to medium lawns. It uses a high-speed motor rated up to 9500 RPM and a 12-inch cutting diameter to cover borders and open areas quickly, while an automatic line feed keeps the head ready without frequent manual adjustments. The package includes two 2.5 Ah batteries and a fast charger, so you can swap packs for extended runtime during longer jobs. The head rotates to switch between trimming and edging and tilts to reach slopes and corners, which makes it versatile around beds, fences, and walkways. At just over six pounds listed weight and described as ergonomic, it is easy to handle for users who want a lighter tool that minimizes arm fatigue. Important limitations are that it is intended for grass and moderate weeds rather than woody stems or heavy brush, and battery runtime will depend on cutting conditions. For someone after a dependable, easy-to-manage electric trimmer for regular lawn upkeep, this model delivers practical, user-friendly features.
Best for: Buyers who prioritize a reliable, easy-to-use cordless trimmer for routine lawn care and edging on small to medium yards and value minimal fuss with battery swaps and auto-feed line.
Less Ideal for: Those who need a heavy-duty brush cutter for thick brush or commercial-scale properties should choose a more powerful gas or professional-grade trimmer.
- Includes two 2.5 Ah batteries and a fast charger for extended run time between charges
- Automatic line feed reduces interruptions for reloading line during use
- 2-in-1 rotating head and tilting capability for quick switching between trimming and edging
- High-speed motor with up to 9500 RPM and 12-inch cutting width covers ground efficiently
- Lightweight ergonomic design aimed at reducing arm fatigue during extended use
- Not designed for woody stems, thick brush, or heavy-duty clearing
- Actual runtime will vary with grass density and may be limited for large yards
Verdict: A lightweight, user-friendly cordless trimmer that reliably handles regular grass trimming and edging with included spare battery capacity for longer sessions.
WORX 20V 12" 2-in-1 Cordless String Trimmer & Lawn Edger (WG163)
| 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 2-in-1 cordless string trimmer that converts quickly to a wheel-guided edger for straight, clean borders. It uses a Command Feed spool so you only advance line when you want to, and the head tilts 90 degrees to reach slopes and tight areas. Rubberized support wheels help guide edging for consistent results and the adjustable spacer guard protects flowers and landscaping during trimming. Included with the tool are two 20V PowerShare batteries and a charger, which makes it ready to work on small to medium yards and lets you swap batteries across other WORX 20V tools. At about 5.5 pounds it is easy to maneuver and less fatiguing for longer sessions. Limitations to consider are the modest 12-inch cutting swath and single-speed motor, so it is not the fastest option for very large properties or heavy brush. The Command Feed system reduces bump-feed interruptions but you will still need to keep replacement line on hand for sustained use.
Best for: Buyers who want a lightweight, easy-to-use 2-in-1 trimmer and edger for small to medium lawns and value included batteries and proven features backed by many user reviews.
Less Ideal for: Not well suited for homeowners with large acreage, dense brush, or who need variable-speed power for heavy-duty cutting tasks.
- Converts quickly between trimmer and wheel-guided edger for two tools in one
- Command Feed spool provides on-demand line advance without bumping
- Two 20V PowerShare batteries included so you can work longer and use batteries across other WORX tools
- 90° tilting head and adjustable spacer guard improve access and protect plants
- Lightweight design eases fatigue during extended use
- 12-inch cutting width and single-speed motor limit efficiency on large yards or thick vegetation
Verdict: Choose the WORX WG163 if you want a lightweight, battery-ready 2-in-1 trimmer and edger that is easy to use and works well on small to medium lawns.
WORX WG928 20V 12" Cordless Trimmer & 360 CFM Leaf Blower Kit
| Power Source | Battery Powered |
|---|---|
| Cutting width | 12 inches |
| Speed | 75 miles_per_hour |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
The WORX WG928 combo gives homeowners a practical, low-hassle setup for routine yard care by combining a 12" string trimmer that converts to a wheeled edger with a turbine-style leaf blower. The trimmer uses a command-feed system to advance line on demand so you do not have to bump the head, and the pivoting trimmer head makes switching to edging fast and tool-free. The blower produces up to 360 CFM with two speed settings, which is enough to clear clippings and dry leaves from patios, sidewalks, and driveways. Both tools are battery powered and come with two 20V batteries and a charger, letting you finish small- to medium-size jobs without running cords or gas. Practical benefits include lighter weight for easier handling and compatibility with WORX PowerShare batteries if you already own other WORX tools. Limitations to note are the 12" cutting width, which makes the trimmer less efficient on very large properties, and the blower is best suited for light-to-moderate debris rather than heavy wet leaves or professional cleanup jobs.
Best for: Homeowners who want a reliable, easy-to-use cordless combo for routine trimming, edging, and blowing around yards, patios, and walkways without dealing with gas engines or complicated tools.
Less Ideal for: Landscapers, large-property owners, or anyone who regularly needs heavy-duty blowing or very fast wide-area trimming should consider higher-capacity or professional-grade equipment.
- Two-tool kit (trimmer that converts to edger plus blower) covers common yard tasks
- Command Feed line system supplies fresh cutting line on demand to reduce interruptions
- Includes two 20V batteries and charger for immediate cordless use out of the box
- Blower offers two-speed control and up to 360 CFM for directing debris where you want it
- Works with the WORX PowerShare platform for cross-tool battery compatibility
- 12-inch cutting width is best for small to medium yards and slows progress on larger properties
- Blower performance is geared to light-to-moderate debris and may struggle with heavy wet leaves
Verdict: A practical cordless trimmer and blower combo that gives risk-averse homeowners an easy, ready-to-use solution for routine yard maintenance.
Choosing the Right String Trimmer: Key Factors to Consider
Power Source and Runtime
How the trimmer is powered matters for typical yard sizes and user convenience. Battery models offer cordless freedom and are easier to maneuver around beds and obstacles, but battery capacity determines how much continuous trimming you can get done before a recharge. Corded electric units provide uninterrupted power for small lawns but require access to an outlet and extension cord management. Gas models are uncommon in this price bracket and typically bring more vibration and maintenance.
Consider how often you will need to recharge or plug in. If your yard is larger than a single battery run or far from outlets, a corded model or an extra battery plan will affect daily usability. Runtime and consistent power delivery directly impact how quickly you complete edging and trimming tasks.
Cutting Head Type and Line Feed
The cutting head determines how smoothly you feed line and how reliably the trimmer maintains cutting performance. Tap-to-feed heads let you advance line by tapping on the ground, which is quick but can sometimes over-feed. Automatic bump or dual-line heads may deliver a wider swath and faster cutting but can be harder to replace. Fixed-spool designs reduce maintenance but limit line length and replacement choices.
Also consider whether the head accepts standard round or twisted line and how easy it is to replace spools. For many homeowners, a simple, easy-to-wind head that uses commonly available line is the most practical choice because it saves time and reduces frustration during seasonal maintenance.
Cutting Width and Performance
Cutting width, often called swath, determines how many passes you need to clear an area. Wider swaths reduce time on open turf but can make the trimmer heavier or harder to control. Narrower swaths are easier to handle and more precise for edging near beds, fences, and walkways.
Performance is also shaped by motor torque and line speed. A unit with a decent balance of line diameter compatibility and consistent RPMs will handle thin to medium-thick grass better. For yards with coarse, crabgrass, or light brush, prioritize torque and a head that accepts heavier line. For manicured lawns, a narrower swath and lighter line often produces a cleaner finish.
Ergonomics and Weight
Comfort during use is essential because trimming often involves extended holding at waist height and maneuvering around obstacles. Weight distribution affects fatigue more than total mass; a rear-heavy tool can pull down on the wrist, while a well-balanced shaft reduces strain. Adjustable handles and a loop or bicycle-style handle let you tailor the fit to your height and grip style.
Also look at vibration levels and shaft length. Lower vibration preserves comfort and reduces jolting when the line hits debris. A telescoping or adjustable-length shaft ensures the unit fits different users without forcing an awkward posture that leads to back or shoulder strain.
Durability and Build Quality
Materials and construction determine how long a budget trimmer will last under normal homeowner use. Reinforced shafts, metal gearbox components, and impact-resistant housing near the head help a unit survive knocks and repeated starts. Plastic-only gearboxes may be lighter but can wear faster if used on dense vegetation or dropped repeatedly.
Consider how the manufacturer protects moving parts from debris and how replaceable the most-stressed components are. Durable construction reduces the frequency of repairs and keeps the tool functioning smoothly for multiple seasons.
Maintenance and Replacement Parts
Routine maintenance is part of owning a trimmer. Easy-to-replace spools, common line sizes, and accessible gearbox designs simplify upkeep. If the head is complicated to disassemble, changing line or repairing minor jams becomes time-consuming and frustrating.
Also assess whether common replacement parts such as spools, bump knobs, and shields are standardized or proprietary. Parts that are widely available are generally less expensive and quicker to source, which keeps the tool usable with minimal downtime.
Corded Vs Battery Trimmers: Practical Tradeoffs
Corded electric trimmers deliver steady power for continuous work and often cost less upfront. They are ideal for small lawns near an outdoor outlet and for gardeners who prefer not to charge batteries. The downside is the need to manage an extension cord and avoid contact between the line and the cord.
Battery trimmers give you freedom to move and typically have easier starting and lower vibration. In the under $150 range you will see lighter batteries designed for small yards. Consider the advertised runtime but also the typical cut width when estimating how long a battery will last on a single charge.
- Corded: constant power, lighter weight, requires extension cord
- Battery: cordless use, limited runtime, easier maneuvering
Common Line Types and When to Use Them
Trimmer line comes in round, twisted, and serrated profiles and in various diameters. Round line is easy on the gearbox and good for regular lawn grass. Twisted or serrated line cuts more aggressively and is better for thicker or coarser vegetation.
Match line diameter to the motor's torque and the head's compatibility. Overly heavy line can bog down a lightweight motor, while too-thin line will wear quickly in thick grass.
- Round line: best for regular mowing
- Twisted/serrated: better for coarse growth
- Check head compatibility before buying larger diameter line
Safe Trimming Practices
Always wear eye protection, closed-toe shoes, and long pants when operating a trimmer. The cutting line can hurl small stones, plant debris, and broken line fragments. Gloves and hearing protection are recommended for extended sessions.
Work from the perimeter of the area inward, and trim at a steady pace to avoid overloading the motor. Keep bystanders and pets well away and inspect the area for rocks, large sticks, and other hazards before you start.
- Inspect the lawn and remove debris before trimming
- Wear eye protection and sturdy footwear
- Maintain a steady, controlled cutting motion
Line Replacement Tips to Save Time
Learn the head's winding pattern and keep a spare pre-wound spool or a roll of compatible line handy. Many homeowners find it faster to wind a replacement spool in advance and store it ready to drop in.
Clean the head and gearbox area before replacing line to avoid trapping grit. If a spool jams, stop the trimmer and clear the debris rather than forcing the head, which can damage components.
- Pre-wind spare spools for quick swaps
- Keep line size consistent with head recommendations
- Clean debris from the head before reassembly
Storage and Winter Care
Store trimmers indoors in a dry place to protect plastic parts and prevent corrosion on any metal components. For battery models, store batteries partially charged in a cool, dry environment away from direct heat. Remove batteries entirely for long-term storage.
For corded models, loop the cord neatly without tight kinks and keep the plug protected from moisture. Before storing, wipe down the head, remove collected grass, and check protective shields for damage.
- Store indoors in a dry area
- Remove batteries for long storage
- Clean the head and inspect guards before putting away
How We Chose the Best String Trimmer
We focused on real-world homeowner needs for trimmers priced under $150. Our selection filters prioritized cutting effectiveness and practical durability over flashy specs. Core evaluation criteria included cutting swath and line feed method, power source and run time or continuous power, overall build quality and shaft design, user comfort and weight, and maintenance or replacement-line availability. We favored designs with straightforward controls and common replacement parts to minimize long-term upkeep. We excluded heavy-duty commercial tools and any models clearly intended for professional landscapers. Tools that relied on niche proprietary batteries or uncommon replacement line spools were deprioritized. The final shortlist represents a balance of reliable cutting performance, manageable weight, straightforward servicing, and sensible power choices that fit the under $150 constraint.
FAQ
Is a battery trimmer powerful enough for a .25-acre yard?
Often a mid-range battery trimmer can handle a quarter-acre if you plan for one or two battery runs or choose a unit with a wider cut. Runtime and cutting width determine whether a single charge will be sufficient.
What line diameter should I use for thick grass?
Thicker, coarser grass usually needs heavier line, such as 0.080 inch or larger. Check the head's compatibility first because heavier line can overload a lightweight motor.
How do I know if a corded trimmer is a better choice than cordless?
Choose corded if you have easy access to an outdoor outlet and a small area to cover without obstacles. Pick cordless if maneuverability and freedom from extension cords are more important for your yard layout.
How often should I replace the trimmer line?
Replace line when it drops below the recommended length or frays significantly. Frequency depends on how often you trim and the type of vegetation; homeowners often replace or refill spools once per season for regular maintenance.
Can I use aftermarket or generic replacement spools?
Usually aftermarket spools are fine if they match the head design and line diameter. Verify fit and winding pattern to avoid jams and keep common spare parts on hand for easier maintenance.
Final Verdict
For gardeners seeking a String Trimmer under $150, prioritize the combination of adequate cutting width and a reliable power source for your yard size. Balance comfort and durability against line head simplicity to avoid frequent maintenance headaches. Decide whether cordless freedom or corded continuous power fits your routine, then choose a trimmer with an easy-to-service head and common replacement parts. That tradeoff will give you the most useful, long-lasting tool for routine trimming and edging tasks.
