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Finding the right batterypowered string trimmer depends on your yard size, budget, and how much ease of use matters to you. The EGO POWER+ 16″ Cordless Weed Trimmer stands out as the best overall choice thanks to its power and battery life, suitable for medium to large yards. The Greenworks 40V 12-Inch String Trimmer offers excellent value for smaller spaces, while the BLACK+DECKER 40V MAX String Trimmer provides a reliable, lightweight option for casual use. These trimmers balance performance, ease of handling, and battery longevity, but each involves tradeoffs—such as weight for power or price for features. Continue reading for a detailed breakdown of each model and what makes them a good fit for different needs.

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14
compared
10
brands
Which batterypowered string trimmer should you buy?
★ Top Pick
EGO POWER+ 16" Cordless Weed T
Best Overall for Power and Longevity
Efficient Line IQ and Powerload for continuous trimming
See on Amazon →
Homeowners with small to medium yards needing a lightweight, multi-use tool
SEYVUM 20V 12-inch Cordless St
Versatile 2-in-1 trimmer and edger design
View on Amazon →
Gardeners needing longer runtime and wider cutting capacity for medium to large areas
CRAFTSMAN V20 String Trimmer a
Up to 63 minutes runtime on a single charge
View on Amazon →
Homeowners with small yards or those needing a portable, easy-to-store trimmer
20V Cordless String Trimmer wi
Foldable shaft for compact storage
View on Amazon →
Homeowners or seniors needing lightweight, quiet, and versatile yard tools
Greenworks 40V 12-Inch String
Lightweight and easy to handle
View on Amazon →
Pros & cons at a glance
EGO POWER+ 16" Cordless Weed T
✓ Efficient Line IQ and Powerload for continuous trimming
✗ Battery life varies with usage intensity
SEYVUM 20V 12-inch Cordless St
✓ Versatile 2-in-1 trimmer and edger design
✗ Battery life may decrease with intensive use
CRAFTSMAN V20 String Trimmer a
✓ Up to 63 minutes runtime on a single charge
✗ Limited to 13-inch width, less suited for very large areas
20V Cordless String Trimmer wi
✓ Foldable shaft for compact storage
✗ Limited runtime per battery charge
Greenworks 40V 12-Inch String
✓ Lightweight and easy to handle
✗ Battery runtime may be limited for extensive jobs
Worx 20V 10" 2-in-1 Cordless S
✓ Versatile 2-in-1 trimming and edging functionality
✗ Limited battery runtime for larger areas
20V 12" Cordless String Trimme
✓ Includes two 20V 4.0Ah batteries for extended runtime
✗ Requires manual mode switching between trimming and edging
20V Cordless String Trimmer wi
✓ Powerful 9500 RPM motor for tough weeds
✗ Run time is limited to about 30 minutes per full charge
13-Inch Electric Weed Wacker
✓ Multi-functional design replaces several tools
✗ Requires assembly upon unpacking
BLACK+DECKER 40V MAX String Tr
✓ High power with 40V lithium-ion battery compatibility
✗ Battery and charger sold separately
20V Cordless String Trimmer wi
✓ Compact and easy to store with foldable shaft
✗ Limited runtime for larger yards
BLACK+DECKER 20V MAX String Tr
✓ Versatile 2-in-1 functionality for trimming and edging
✗ Limited runtime per charge
WORX 20V 12-Inch 2-in-1 Cordle
✓ Converts easily between trimmer and edger
✗ Battery life may be limited on large jobs
21V Electric Weed Wacker & Edg
✓ Powerful 9500RPM motor for thick grass and weeds
✗ Battery life may be limited for very large areas

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Key Takeaways

  • Top-ranked models combine power with long battery life, making them suitable for larger yards.
  • Compact, lighter models excel for small lawns and ease of maneuverability, though they may lack extended runtime.
  • Price correlates strongly with features—premium options often include dual batteries and edging features.
  • Build quality and ergonomics vary; investing in a well-balanced, comfortable trimmer can reduce fatigue.
  • Compatibility with existing battery systems is a key factor if you already own other battery-powered yard tools.
2
SEYVUM 20V 12-inch Cordless St
Best for Versatility and Dual Functionality
1
EGO POWER+ 16" Cordless Weed T
Best Overall for Power and Longevity
3
CRAFTSMAN V20 String Trimmer a
Best for Runtime and Larger Cutting Widths

Our Top Batterypowered String Trimmers Picks

EGO POWER+ 16″ Cordless Weed Trimmer with Battery and ChargerEGO POWER+ 16" Cordless Weed Trimmer with Battery and ChargerBest Overall for Power and LongevityBlade Length: 16 inchesBattery: 4.0Ah includedRuntime: Up to 60 minutesVIEW ON AMAZONSee Our Full Breakdown
SEYVUM 20V 12-inch Cordless String Trimmer and Edger with Dual Batteries and Auto Line FeedSEYVUM 20V 12-inch Cordless String Trimmer and Edger with Dual Batteries and Auto Line FeedBest for Versatility and Dual FunctionalityBattery: 2 x 2.0Ah lithium-ionVoltage: 20VCutting Width: 12 inchesVIEW ON AMAZONSee Our Full Breakdown
CRAFTSMAN V20 String Trimmer and Lawn Edger Kit with 4Ah Battery and Charger, 13 in. Cordless Weed WackerCRAFTSMAN V20 String Trimmer and Lawn Edger Kit with 4Ah Battery and Charger, 13 in. Cordless Weed WackerBest for Runtime and Larger Cutting WidthsPower Source: Battery PoweredCutting Width: 13 inchesNumber of Batteries: 1VIEW ON AMAZONSee Our Full Breakdown
20V Cordless String Trimmer with 2 Batteries and Charger20V Cordless String Trimmer with 2 Batteries and ChargerBest Compact and Lightweight for Small SpacesBattery: 2 x 2.0AhMotor Speed: 9,500 RPMCutting Width: 12 inchesVIEW ON AMAZONSee Our Full Breakdown
Greenworks 40V 12-Inch String Trimmer & 390 CFM Blower Combo, 2.0 Ah BatteryGreenworks 40V 12-Inch String Trimmer & 390 CFM Blower Combo, 2.0 Ah BatteryBest for All-in-One Yard Maintenance with Quiet OperationBattery Voltage: 40VTrimmer Length: 12 inchesTrimmer Line Diameter: .065 inchesVIEW ON AMAZONSee Our Full Breakdown
Worx 20V 10″ 2-in-1 Cordless String Trimmer & Lawn Edger, WG154Worx 20V 10" 2-in-1 Cordless String Trimmer & Lawn Edger, WG154Best Overall for Small to Medium YardsPower: 20VBlade Length: 10 inchesWeight: 4.2 lbsVIEW ON AMAZONSee Our Full Breakdown
20V 12″ Cordless String Trimmer, Electric Weed Wacker & Edger20V 12" Cordless String Trimmer, Electric Weed Wacker & EdgerBest for Extended Use with Extra BatteriesPower: 20VBlade Size: 12 inchesMotor Speed: 8000 RPMVIEW ON AMAZONSee Our Full Breakdown
20V Cordless String Trimmer with Dual Batteries and Edging Function20V Cordless String Trimmer with Dual Batteries and Edging FunctionBest for Thick Grass and Weeds with Long RuntimePower: 20VBlade Width: 12 inchesMotor Speed: 9500 RPMVIEW ON AMAZONSee Our Full Breakdown
13-Inch Electric Weed Wacker, 4-in-1 Cordless String Trimmer, Lawn Edger, Mower, Brush Cutter with Dual 21V 6.0Ah Batteries & Charger13-Inch Electric Weed Wacker, 4-in-1 Cordless String Trimmer, Lawn Edger, Mower, Brush Cutter with Dual 21V 6.0Ah Batteries & ChargerBest for Multi-Functional Yard TasksPower Source: BatteryCutting Width: 13 inchesSpeed: 15000 rpmVIEW ON AMAZONSee Our Full Breakdown
BLACK+DECKER 40V MAX String Trimmer and Lawn Edger, 13 Inch Weed EaterBLACK+DECKER 40V MAX String Trimmer and Lawn Edger, 13 Inch Weed EaterBest for Power and Quick Conversion (Battery Not Included)Battery Compatibility: 40V MAX lithium-ionCutting Width: 13 inchesFeatures: Quick switch, continuous line feedVIEW ON AMAZONSee Our Full Breakdown
20V Cordless String Trimmer with 2 Batteries and Charger20V Cordless String Trimmer with 2 Batteries and ChargerBest Overall for Small to Medium YardsBattery: 2 x 2.0AhMotor Speed: 9,500 RPMCutting Width: 12 inchesVIEW ON AMAZONSee Our Full Breakdown
BLACK+DECKER 20V MAX String Trimmer and Edger 2-in-1, Cordless Weed Wacker with Auto Spool Feed, Battery and Charger Included, 12-Inch Steel Deck, Reduced VibrationBLACK+DECKER 20V MAX String Trimmer and Edger 2-in-1, Cordless Weed Wacker with Auto Spool Feed, Battery and Charger Included, 12-Inch Steel Deck, Reduced VibrationBest for Quick, Versatile Yard MaintenancePower: 20V MAXCutting Width: 12 inchesBattery: 1 x 2.0 Ah lithium-ionVIEW ON AMAZONSee Our Full Breakdown
WORX 20V 12-Inch 2-in-1 Cordless String Trimmer & Edger, WG163WORX 20V 12-Inch 2-in-1 Cordless String Trimmer & Edger, WG163Best for Versatile, Precise Cutting on Uneven TerrainNo-load speed: 7600 rpmCutting diameter: 12 inchesWeight: 5.5 lbsVIEW ON AMAZONSee Our Full Breakdown
21V Electric Weed Wacker & Edger Lawn Tool with Dual 2.0Ah Batteries21V Electric Weed Wacker & Edger Lawn Tool with Dual 2.0Ah BatteriesBest for Powerful, Heavy-Duty Yard TasksMotor Power: 9500RPMCutting Width: 12 inchesBattery: 2×2.0Ah lithium-ionVIEW ON AMAZONSee Our Full Breakdown
Specs at a glance
batterypowered string trimmerBatteryCutting Width
EGO POWER+ 16" Cordless Weed T4.0Ah included—
SEYVUM 20V 12-inch Cordless St2 x 2.0Ah lithium-ion12 inches
CRAFTSMAN V20 String Trimmer a—13 inches
20V Cordless String Trimmer wi2 x 2.0Ah12 inches
Greenworks 40V 12-Inch String ——
Worx 20V 10" 2-in-1 Cordless S20V 2.0 Ah—
20V 12" Cordless String Trimme2 x 20V 4.0Ah—
20V Cordless String Trimmer wi——
13-Inch Electric Weed Wacker—13 inches
BLACK+DECKER 40V MAX String Tr—13 inches
20V Cordless String Trimmer wi2 x 2.0Ah12 inches
BLACK+DECKER 20V MAX String Tr1 x 2.0 Ah lithium-ion12 inches
WORX 20V 12-Inch 2-in-1 Cordle2×20V Power Share lithium batteries—
21V Electric Weed Wacker & Edg2×2.0Ah lithium-ion12 inches

More Details on Our Top Picks

  1. EGO POWER+ 16″ Cordless Weed Trimmer with Battery and Charger

    EGO POWER+ 16" Cordless Weed Trimmer with Battery and Charger

    Best Overall for Power and Longevity

    View on Amazon

    The EGO POWER+ 16″ Cordless Weed Trimmer stands out for its advanced Line IQ and Powerload technologies, which deliver continuous trimming without constant line adjustments. Compared with the Greenworks 40V 12-Inch String Trimmer & Blower Combo, it offers a longer runtime of up to 60 minutes, making it better suited for larger yards. Its adjustable telescopic shaft and digital variable speed provide customized comfort and control. The brushless motor ensures durability and efficiency, backed by a 5-year warranty, which surpasses many competitors. However, the battery life can fluctuate based on usage intensity, and the 55-minute charging time might delay quick touch-ups. This model makes the most sense for homeowners seeking a high-performance, long-lasting trimmer with versatile features.

    Pros:
    • Efficient Line IQ and Powerload for continuous trimming
    • Adjustable telescopic shaft for ergonomic use
    • Long-lasting brushless motor with a 5-year warranty
    Cons:
    • Battery life varies with usage intensity
    • Charging time could be shorter for quick jobs

    Best for: Homeowners with medium to large yards who prioritize power and battery longevity

    Not ideal for: Casual users or those with very small yards, as the higher price and advanced features may be unnecessary

    • Blade Length:16 inches
    • Battery:4.0Ah included
    • Runtime:Up to 60 minutes
    • Charging Time:55 minutes
    • Motor Type:Brushless
    • Warranty:5-year tool, 3-year battery
    Our verdict
    “This trimmer is ideal for users seeking a durable, high-capacity tool that handles larger areas with ease.”
  2. SEYVUM 20V 12-inch Cordless String Trimmer and Edger with Dual Batteries and Auto Line Feed

    SEYVUM 20V 12-inch Cordless String Trimmer and Edger with Dual Batteries and Auto Line Feed

    Best for Versatility and Dual Functionality

    View on Amazon

    The SEYVUM 20V 12-inch Cordless String Trimmer excels as a compact, versatile tool that doubles as an edger, making it perfect for small lawns and detailed trimming. Its adjustable head and handle provide flexibility, and the included two 2.0Ah batteries support extended use, outperforming single-battery models like the Worx 20V 10″ 2-in-1. The automatic line feed ensures smooth operation, though battery runtime may dip with heavy-duty tasks, and the lightweight build might affect durability over time. Charging between uses can add delays, but overall, this is a practical choice for users prioritizing ease of use and multi-functionality for smaller spaces.

    Pros:
    • Versatile 2-in-1 trimmer and edger design
    • Includes two batteries for longer sessions
    • Adjustable head and handle for comfort
    Cons:
    • Battery life may decrease with intensive use
    • Lightweight design could compromise durability

    Best for: Homeowners with small to medium yards needing a lightweight, multi-use tool

    Not ideal for: Large property owners requiring extended runtime for heavy-duty tasks

    • Battery:2 x 2.0Ah lithium-ion
    • Voltage:20V
    • Cutting Width:12 inches
    • Adjustable Head:90°
    • Adjustable Handle:180°
    • Run Time:Up to 60 minutes
    Our verdict
    “This trimmer is best suited for users who want a flexible, easy-to-handle tool for smaller lawn areas.”
  3. CRAFTSMAN V20 String Trimmer and Lawn Edger Kit with 4Ah Battery and Charger, 13 in. Cordless Weed Wacker

    CRAFTSMAN V20 String Trimmer and Lawn Edger Kit with 4Ah Battery and Charger, 13 in. Cordless Weed Wacker

    Best for Runtime and Larger Cutting Widths

    View on Amazon

    The CRAFTSMAN V20 String Trimmer Kit offers a substantial runtime of up to 63 minutes thanks to its 4Ah battery, making it suitable for tackling thicker grass and wider areas. Its 13-inch cutting width exceeds many competitors like the 20V Cordless String Trimmer with 2 Batteries, boosting efficiency. The adjustable handle and two-speed operation allow users to balance power and runtime, but the 13-inch width may limit effectiveness on very large or dense patches. Compatibility with V20 batteries is a plus, though this means owners of other brands might need additional batteries. This model is a solid pick for users looking to cover more ground without sacrificing runtime.

    Pros:
    • Up to 63 minutes runtime on a single charge
    • Wider 13-inch cutting swath for efficiency
    • Adjustable handle and two-speed control
    Cons:
    • Limited to 13-inch width, less suited for very large areas
    • Requires compatible V20 batteries for operation

    Best for: Gardeners needing longer runtime and wider cutting capacity for medium to large areas

    Not ideal for: Users with very small yards or those seeking the smallest, most lightweight trimmer

    • Power Source:Battery Powered
    • Cutting Width:13 inches
    • Number of Batteries:1
    • Battery Average Life:63 minutes
    • Color:Black, Red
    • Item Dimensions:31.72″L x 7.72″W
    Our verdict
    “This trimmer is ideal for users prioritizing longer runtime and broader cutting capacity for mid-sized yards.”
  4. 20V Cordless String Trimmer with 2 Batteries and Charger

    20V Cordless String Trimmer with 2 Batteries and Charger

    Best Compact and Lightweight for Small Spaces

    View on Amazon

    The 20V Cordless String Trimmer focuses on portability, with a foldable shaft that makes storage and transport simple. Its 9,500 RPM motor delivers solid cutting power for light to medium tasks, outperforming bulkier models like the Greenworks 40V 12-Inch String Trimmer in maneuverability. The two included 2.0Ah batteries support up to 30 minutes of runtime, suitable for small yards or tight spaces. The adjustable head and handle add user comfort, but the limited runtime and absence of specific charging times restrict continuous work. This lightweight, foldable option appeals most to those with small yards or who need a portable tool for quick jobs.

    Pros:
    • Foldable shaft for compact storage
    • Powerful 9,500 RPM motor
    • Includes two batteries for extended use
    Cons:
    • Limited runtime per battery charge
    • No specified charging time

    Best for: Homeowners with small yards or those needing a portable, easy-to-store trimmer

    Not ideal for: Larger properties or thick, dense grass that requires longer runtime and more power

    • Battery:2 x 2.0Ah
    • Motor Speed:9,500 RPM
    • Cutting Width:12 inches
    • Runtime:Up to 30 minutes
    • Charging Time:Not specified
    Our verdict
    “This trimmer is best suited for small yard maintenance and users seeking portability and storage convenience.”
  5. Greenworks 40V 12-Inch String Trimmer & 390 CFM Blower Combo, 2.0 Ah Battery

    Greenworks 40V 12-Inch String Trimmer & 390 CFM Blower Combo, 2.0 Ah Battery

    Best for All-in-One Yard Maintenance with Quiet Operation

    View on Amazon

    The Greenworks 40V 12-Inch Trimmer & Blower Combo combines a lightweight, quiet system with powerful tools capable of handling tough outdoor tasks. Its 110 MPH blower outperforms many single-function tools, while the 12-inch trimmer offers a good balance of power and maneuverability. The seamless switching within the 40V ecosystem makes it a convenient choice for homeowners who want multiple tools without additional batteries. However, the 2.0Ah battery limits runtime on larger jobs, and the auto-feed trimmer line can sometimes jam, requiring user attention. This combo makes sense for those who value quiet operation, ease of use, and multi-tool versatility for smaller to medium-sized yards.

    Pros:
    • Lightweight and easy to handle
    • Powerful blower and efficient trimmer for general yard work
    • Seamless tool switching within the 40V system
    Cons:
    • Battery runtime may be limited for extensive jobs
    • Trimmer line auto-feed can jam

    Best for: Homeowners or seniors needing lightweight, quiet, and versatile yard tools

    Not ideal for: Large properties or heavy-duty professional tasks that demand longer runtime and higher power

    • Battery Voltage:40V
    • Trimmer Length:12 inches
    • Trimmer Line Diameter:.065 inches
    • Blower Air Speed:110 MPH
    • Blower CFM:390 CFM
    • Battery Capacity:2.0 Ah
    • Charge Time:60 minutes
    • Weight:8 lbs
    Our verdict
    “This combo is perfect for users who want quiet, lightweight tools for regular yard maintenance with easy switching between functions.”
  6. Worx 20V 10″ 2-in-1 Cordless String Trimmer & Lawn Edger, WG154

    Worx 20V 10" 2-in-1 Cordless String Trimmer & Lawn Edger, WG154

    Best Overall for Small to Medium Yards

    View on Amazon

    This versatile 2-in-1 design makes the Worx WG154 stand out for its combination of trimming and edging in a lightweight package. Its auto feed line system reduces manual adjustments, and the adjustable head offers flexibility, which is especially helpful compared to bulkier models like the BLACK+DECKER 40V MAX, which can feel more cumbersome for smaller tasks. However, its battery life may not satisfy larger yards, and plastic components could impact longevity over time. Still, for those prioritizing easy handling and multi-functionality, this pick offers balanced performance.

    Pros:
    • Versatile 2-in-1 trimming and edging functionality
    • Lightweight at only 4.2 lbs for easy maneuverability
    • Auto feed line system minimizes manual line adjustments
    Cons:
    • Limited battery runtime for larger areas
    • Plastic parts may wear faster with frequent use

    Best for: Homeowners with small to medium yards who want an easy-to-handle, 2-in-1 tool for regular maintenance

    Not ideal for: Users with large lawns or heavy-duty weed clearing needs, as battery life and durability may fall short

    • Power:20V
    • Blade Length:10 inches
    • Weight:4.2 lbs
    • Battery:20V 2.0 Ah
    • Platform:Power Share
    • Features:2-in-1, auto feed, adjustable head
    Our verdict
    “This tool is ideal for small yard maintenance where ease of use and versatility outweigh longer runtime concerns.”
  7. 20V 12″ Cordless String Trimmer, Electric Weed Wacker & Edger

    20V 12" Cordless String Trimmer, Electric Weed Wacker & Edger

    Best for Extended Use with Extra Batteries

    View on Amazon

    This 20V trimmer excels in versatility and extended operation thanks to its two 4.0Ah batteries and multiple replacement spools. Compared to the Worx WG154, it offers a larger 12-inch cutting width and a more powerful 8000 RPM motor, making it better suited for thicker grass or weeds. The main tradeoff is its slightly higher weight at 6.3 lbs, which can be less comfortable during prolonged use. Nonetheless, this model suits those who want a lightweight, powerful tool with extra run time for medium-sized yards.

    Pros:
    • Includes two 20V 4.0Ah batteries for extended runtime
    • Larger 12-inch cutting width handles more area quickly
    • Multiple replacement spools for uninterrupted work
    Cons:
    • Requires manual mode switching between trimming and edging
    • Battery life may still be limited for very large projects

    Best for: Gardeners needing a lightweight, powerful trimmer with long operational periods and extra spools

    Not ideal for: Users with very small yards or those who prefer ultra-lightweight tools, as it is somewhat heavier than competitors

    • Power:20V
    • Blade Size:12 inches
    • Motor Speed:8000 RPM
    • Weight:6.3 lbs
    • Battery:2 x 20V 4.0Ah
    • Included Accessories:multiple spools
    Our verdict
    “Ideal for those who value extended runtime and powerful performance over the lightest weight.”
  8. 20V Cordless String Trimmer with Dual Batteries and Edging Function

    20V Cordless String Trimmer with Dual Batteries and Edging Function

    Best for Thick Grass and Weeds with Long Runtime

    View on Amazon

    This trimmer stands out with its 9500 RPM motor and dual batteries, providing significant power for tackling thick grass and weeds. Its foldable design enhances storage convenience, and with two batteries, it offers approximately 30 minutes of continuous operation—ideal for mid-sized yards. Compared to the lighter Worx WG154, it handles more demanding tasks but sacrifices some maneuverability due to increased weight. This tool is well-suited for users who need robust performance and longer run times, accepting the tradeoff of a slightly bulkier frame.

    Pros:
    • Powerful 9500 RPM motor for tough weeds
    • Includes two batteries for longer use
    • Foldable for compact storage
    Cons:
    • Run time is limited to about 30 minutes per full charge
    • Heavier and less agile than smaller models

    Best for: Homeowners with overgrown yards or dense weeds who need a high-powered, long-lasting trimmer

    Not ideal for: Small yard owners or those seeking the lightest possible tool for quick jobs

    • Power:20V
    • Blade Width:12 inches
    • Motor Speed:9500 RPM
    • Runtime:Approximately 30 minutes
    • Batteries:2 x 2.0Ah
    • Foldable:Yes
    Our verdict
    “Best for heavy-duty weed clearing where power and longer runtime are priorities over portability.”
  9. 13-Inch Electric Weed Wacker, 4-in-1 Cordless String Trimmer, Lawn Edger, Mower, Brush Cutter with Dual 21V 6.0Ah Batteries & Charger

    13-Inch Electric Weed Wacker, 4-in-1 Cordless String Trimmer, Lawn Edger, Mower, Brush Cutter with Dual 21V 6.0Ah Batteries & Charger

    Best for Multi-Functional Yard Tasks

    View on Amazon

    This 4-in-1 garden tool offers extensive versatility, functioning as a string trimmer, edger, mini mower, and brush cutter. Compared with simpler models like the Worx WG154 or the 20V trimmer, its multi-blade system allows for a broader range of tasks across different terrains. The long-lasting dual 21V 6.0Ah batteries provide ample runtime, making it a good choice for larger or varied projects. The main tradeoff is its out-of-the-box assembly requirement and slightly heavier weight, which could be a concern for extended use or less experienced users. For those seeking a comprehensive yard tool, this model delivers impressive multi-functionality.

    Pros:
    • Multi-functional design replaces several tools
    • Long-lasting batteries for extended projects
    • Adjustable height and head for comfort and versatility
    Cons:
    • Requires assembly upon unpacking
    • Heavier than basic trimmers, which may affect handling

    Best for: Homeowners who want a single device for trimming, edging, mowing, and brush cutting with long battery life

    Not ideal for: Users with small, simple yards who only need basic trimming and prefer lighter equipment

    • Power Source:Battery
    • Cutting Width:13 inches
    • Speed:15000 rpm
    • Batteries:2x 21V 6.0Ah
    • Item Dimensions:33″L x 8″W
    • Included Accessories:multiple blades
    Our verdict
    “Perfect for owners seeking an all-in-one yard tool capable of tackling diverse tasks with extended runtime.”
  10. BLACK+DECKER 40V MAX String Trimmer and Lawn Edger, 13 Inch Weed Eater

    BLACK+DECKER 40V MAX String Trimmer and Lawn Edger, 13 Inch Weed Eater

    Best for Power and Quick Conversion (Battery Not Included)

    View on Amazon

    This 40V MAX model is geared toward users who want substantial power, with an adjustable 13-inch cutting width and quick mode switching between trimming and edging. Compared to the 20V options, it offers greater raw power, but the downside lies in its battery and charger availability; these are sold separately, which can increase overall cost. Its continuous line feed and robust transmission make it a reliable choice for larger lawns or more demanding jobs, though it’s less portable due to its larger size. This trimmer makes sense for owners prepared to invest in a more powerful, long-term solution.

    Pros:
    • High power with 40V lithium-ion battery compatibility
    • Quick switch from trimming to edging
    • Continuous line feed for smooth operation
    Cons:
    • Battery and charger sold separately
    • Requires compatible battery for operation

    Best for: Lawn owners needing high power and quick mode changes, willing to purchase compatible batteries

    Not ideal for: Casual users or those with small yards who prefer battery-included models for simplicity

    • Battery Compatibility:40V MAX lithium-ion
    • Cutting Width:13 inches
    • Features:Quick switch, continuous line feed
    • Warranty:3 years
    • Included Components:Trimmer, spool, guard
    Our verdict
    “Ideal for dedicated lawn enthusiasts seeking power and flexibility, accepting the extra cost for batteries and charger.”
  11. 20V Cordless String Trimmer with 2 Batteries and Charger

    20V Cordless String Trimmer with 2 Batteries and Charger

    Best Overall for Small to Medium Yards

    View on Amazon

    This lightweight trimmer stands out for its foldable shaft, making storage simple, and its powerful motor that handles typical yard tasks efficiently. Compared with the WORX WG163, it offers slightly better motor speed but falls short on runtime, which is limited to about 30 minutes—less suited for larger yards. The dual batteries help extend usage, yet the runtime remains a constraint for extensive projects. Its adjustable head and rotatable handle add versatility, but the line may break if pushed on tough vegetation. Overall, this trimmer makes the most sense for homeowners with small to medium-sized yards who prioritize portability and ease of storage over long sessions.

    Pros:
    • Compact and easy to store with foldable shaft
    • Versatile with adjustable head and handle
    • Powerful motor for efficient cutting
    • Includes two batteries for extended runtime
    Cons:
    • Limited runtime for larger yards
    • Not suitable for very thick or dense grass
    • Line may break on tough vegetation

    Best for: Homeowners with small to medium-sized yards seeking a lightweight, easy-to-store trimmer.

    Not ideal for: Those with large lawns or dense, thick vegetation needing extended runtime and higher power.

    • Battery:2 x 2.0Ah
    • Motor Speed:9,500 RPM
    • Cutting Width:12 inches
    • Runtime:Up to 30 minutes
    • Features:Foldable shaft, adjustable head, rotatable handle, automatic line feed
    Our verdict
    “This pick is ideal for small yard owners who value portability and quick, efficient trimming without the need for prolonged use.”
  12. BLACK+DECKER 20V MAX String Trimmer and Edger 2-in-1, Cordless Weed Wacker with Auto Spool Feed, Battery and Charger Included, 12-Inch Steel Deck, Reduced Vibration

    BLACK+DECKER 20V MAX String Trimmer and Edger 2-in-1, Cordless Weed Wacker with Auto Spool Feed, Battery and Charger Included, 12-Inch Steel Deck, Reduced Vibration

    Best for Quick, Versatile Yard Maintenance

    View on Amazon

    This 2-in-1 trimmer and edger with auto spool feed offers a user-friendly experience, especially benefiting those who want quick transitions between trimming and edging. Compared to the WORX WG163, it provides a lighter overall weight and reduced vibration, enhancing comfort during use. However, the runtime per battery charge can be limiting for larger jobs, and the single battery might require frequent recharging. Its 12-inch cutting width is adequate for most small to medium yards, and the adjustable handle adds comfort. This model makes sense for homeowners who prioritize easy handling and quick, versatile yard work over prolonged sessions or heavy-duty tasks.

    Pros:
    • Versatile 2-in-1 functionality for trimming and edging
    • Automatic spool feed reduces bumping
    • Lightweight with reduced vibration for comfort
    • Includes battery and charger for convenience
    Cons:
    • Limited runtime per charge
    • Battery may need frequent recharges for larger tasks
    • Less suitable for dense, thick grass

    Best for: Homeowners needing a lightweight, easy-to-use trimmer and edger for regular yard upkeep.

    Not ideal for: Lawn care enthusiasts with large or dense yards where longer runtime and higher power are necessary.

    • Power:20V MAX
    • Cutting Width:12 inches
    • Battery:1 x 2.0 Ah lithium-ion
    • Included:Battery and charger
    • Warranty:2 years
    • Features:Auto spool feed, adjustable handle, reduced vibration
    Our verdict
    “This tool is perfect for homeowners seeking a straightforward, comfortable option for regular yard maintenance and edging tasks.”
  13. WORX 20V 12-Inch 2-in-1 Cordless String Trimmer & Edger, WG163

    WORX 20V 12-Inch 2-in-1 Cordless String Trimmer & Edger, WG163

    Best for Versatile, Precise Cutting on Uneven Terrain

    View on Amazon

    The WORX WG163 is renowned for its quick conversion between a string trimmer and an edger, making it versatile for various yard tasks. Its adjustable head and rubberized support wheels allow for precise, professional-looking cuts, especially on uneven terrain, which sets it apart from more basic models. Powered by two 20V batteries, it provides decent performance but may run out of juice during larger projects, requiring the batteries to be swapped or recharged frequently. At 5.5 pounds, it balances weight and maneuverability well, though plastic components might wear faster with heavy use. This choice makes sense for homeowners who want a flexible, easy-to-handle tool capable of tackling different trimming jobs efficiently.

    Pros:
    • Converts easily between trimmer and edger
    • Lightweight and easy to maneuver
    • Adjustable head and spacer guard for versatile use
    • Compatible with other WORX 20V tools
    Cons:
    • Battery life may be limited on large jobs
    • Plastic components could be less durable
    • Requires two batteries for full operation

    Best for: Gardeners who need a lightweight, highly adaptable trimmer and edger for varied terrain and detailed work.

    Not ideal for: Large yard owners or those with dense, tough grass that demands higher power and longer runtime.

    • No-load speed:7600 rpm
    • Cutting diameter:12 inches
    • Weight:5.5 lbs
    • Line length:10 inches
    • Line diameter:0.065 inches
    • Battery:2×20V Power Share lithium batteries
    Our verdict
    “This tool is best for homeowners who value flexibility and precision for small to medium yard tasks, especially on uneven ground.”
  14. 21V Electric Weed Wacker & Edger Lawn Tool with Dual 2.0Ah Batteries

    21V Electric Weed Wacker & Edger Lawn Tool with Dual 2.0Ah Batteries

    Best for Powerful, Heavy-Duty Yard Tasks

    View on Amazon

    This 21V electric weed wacker combines a robust 9500 RPM motor with a 12-inch cutting width, making it capable of handling thicker grass and weeds that challenge less powerful models. Its 90-degree rotating head facilitates effortless switching between trimming and edging, adding to its versatility. Compared to the 20V options, the higher motor power delivers better performance on dense vegetation, although the weight—moderate but noticeable—may tire users after extended use. The inclusion of two batteries allows for extended work sessions, but the runtime is still limited when tackling large, overgrown areas. It’s best suited for homeowners with medium-sized lawns needing extra muscle for tougher vegetation.

    Pros:
    • Powerful 9500RPM motor for thick grass and weeds
    • Versatile 2-in-1 trimming and edging with 90-degree tilt
    • Includes two batteries for longer use
    • Automatic line feed for consistent cutting
    Cons:
    • Battery life may be limited for very large areas
    • Weight could cause fatigue during prolonged use
    • Designed mainly for medium-sized lawns

    Best for: Homeowners with medium to large lawns who frequently deal with thick grass, weeds, and overgrowth.

    Not ideal for: Casual gardeners or those with small yards, as the weight and power may be more than needed for light maintenance.

    • Motor Power:9500RPM
    • Cutting Width:12 inches
    • Battery:2×2.0Ah lithium-ion
    • Charging:Fast charger
    • Features:Auto-feed line, 2-in-1 trimmer & edger, 0-90 degree tilt
    Our verdict
    “This model suits homeowners who need a powerful, versatile tool capable of handling tougher yard conditions efficiently.”
batterypowered string trimmers
What makes a great batterypowered string trimmer
1
Battery Life and Power
Battery life directly impacts how much work you can complete in one session, especially for larger yards.
2
Weight and Ergonomics
Since string trimmers are handheld tools, weight and design significantly influence ease of use.
3
Cutting Width and Blade Compatibility
A wider cutting width allows you to cover more ground quickly, which benefits larger properties.
4
Brand Reliability and Compatibility
Sticking to reputable brands like EGO, Greenworks, and BLACK+DECKER can provide peace of mind regarding durability and customer su
How to choose your batterypowered string trimmer
1
How we picked
These products were selected based on a combination of performance, battery life, usability, build quality, and value.
2
Battery Life and Power
Battery life directly impacts how much work you can complete in one session, especially for larger yards.
3
Weight and Ergonomics
Since string trimmers are handheld tools, weight and design significantly influence ease of use.
4
Cutting Width and Blade Compatibility
A wider cutting width allows you to cover more ground quickly, which benefits larger properties.
5
Brand Reliability and Compatibility
Sticking to reputable brands like EGO, Greenworks, and BLACK+DECKER can provide peace of mind regarding durability and c
Vetted batterypowered string trimmers ·
The best batterypowered string trimmers, compared
★ Winner EGO POWER+ 16" Cordless Weed T
Best Overall for Power and Longevity
14compared

How We Picked

These products were selected based on a combination of performance, battery life, usability, build quality, and value. We prioritized models that balance power and weight, ensuring they are manageable for typical yard tasks. Battery longevity and charging speed were crucial, especially for larger properties. We also considered customer reviews and reliability over time, favoring brands with proven durability. The ranking reflects how well each trimmer meets common homeowner needs while offering good value for the price.
Everyday → specialist
Everyday & valuePremium & specialist
Which batterypowered string trimmer fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Batterypowered String Trimmers

Choosing the right batterypowered string trimmer involves understanding several key factors that affect performance and usability. Not all models are suited for every yard or user, so considering your specific needs can save time and money. This guide highlights the most important aspects to evaluate, helping you make an informed decision beyond just comparing specs.

Battery Life and Power

Battery life directly impacts how much work you can complete in one session, especially for larger yards. Look for models with batteries rated for at least 30-45 minutes of continuous use, and consider whether additional or larger batteries are compatible. Power output matters too—more wattage or volts generally means better cutting performance and the ability to tackle thicker weeds. However, higher power often comes with increased weight, so balance your yard size with your comfort and stamina.

Weight and Ergonomics

Since string trimmers are handheld tools, weight and design significantly influence ease of use. Lightweight models reduce fatigue, especially if you have a lot of edging or trimming to do. Look for ergonomic features like adjustable handles, balanced weight distribution, and vibration reduction. Keep in mind that lighter, less powerful options may struggle with dense or tall grass, so consider your typical yard conditions when evaluating weight versus performance.

Cutting Width and Blade Compatibility

A wider cutting width allows you to cover more ground quickly, which benefits larger properties. However, larger heads may be heavier and harder to maneuver in tight spots. Some models support dual-line and blade attachments, adding versatility for different tasks like edging or thicker weeds. Think about your yard’s shape and obstacles—narrower trimmers excel in tight corners, while wider ones speed up open areas.

Price and Value

Expect to pay more for features like dual batteries, brushless motors, and adjustable cutting heads. Cheaper models might suffice for light, occasional use but may lack durability or runtime. Investing in a slightly higher-priced model can pay off through longer battery life, better ergonomics, and increased longevity. Consider whether the extra features match your needs—overpaying for unnecessary options can diminish value.

Brand Reliability and Compatibility

Sticking to reputable brands like EGO, Greenworks, and BLACK+DECKER can provide peace of mind regarding durability and customer support. Additionally, if you already own battery-powered tools, choosing a model compatible with your existing batteries can save money and storage space. Always verify battery compatibility before purchasing, especially if considering a system upgrade or expansion.

Frequently Asked Questions

How long do batterypowered string trimmer batteries typically last?

Most batterypowered string trimmer batteries offer between 30 and 45 minutes of runtime on a single charge, depending on the model and usage intensity. Higher-capacity batteries can extend this time, but they may add weight. For larger yards, consider models with interchangeable batteries or dual-battery systems to minimize downtime. Always check the battery’s amp-hour rating and user reviews for real-world performance estimates.

Are batterypowered string trimmers powerful enough for thick weeds and dense grass?

Many modern batterypowered trimmers deliver sufficient power for thick weeds and dense grass, especially those with higher voltage ratings like 40V or 80V systems. Brushless motors further improve cutting efficiency and durability. However, for extremely tough or woody brush, gas-powered trimmers may still outperform electric options. Evaluate your yard’s typical conditions and choose a model with the appropriate power rating for your needs.

Is it better to buy a trimmer with a brushless motor?

Yes, opting for a brushless motor generally results in longer motor life, higher efficiency, and better battery runtime. Brushless motors produce less heat and require less maintenance, making them a smarter long-term investment. Although they might come at a higher initial cost, the durability and performance benefits often outweigh the price difference, especially for regular yard work.

Can I use one battery for multiple tools?

Many brands offer battery systems compatible with various yard tools, including trimmers, blowers, and lawn mowers. If you already own or plan to buy multiple tools from the same brand, choosing a system with interchangeable batteries can save money and reduce clutter. Always verify compatibility before purchase, as not all batteries fit all models, even within the same brand.

How do I maintain a batterypowered string trimmer for longevity?

Proper maintenance includes cleaning the cutting head and air vents regularly, storing the trimmer in a dry, cool place, and keeping batteries charged but not overcharged during storage. Avoid exposing the tool to extreme temperatures, which can degrade the battery and plastic parts. Periodic checks of the spool and cutting line ensure smooth operation, and replacing worn parts when needed extends the device’s lifespan.

Conclusion

For most homeowners, the EGO POWER+ 16″ Cordless Weed Trimmer offers the best combination of power, runtime, and ease of use, making it an ideal pick for medium to large yards. Those on a budget or with smaller lawns might prefer the Greenworks 40V 12-Inch String Trimmer for its affordability and light weight. Beginners or casual users should look at lightweight, easy-to-handle models like the BLACK+DECKER 20V MAX String Trimmer. For users with large properties or demanding trimming needs, investing in a high-voltage, dual-battery system provides the power and endurance necessary to get the job done efficiently. Ultimately, selecting the right trimmer depends on your yard size, frequency of use, and comfort with handling heavier tools.

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