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When searching for batterypowered string trimmers, the key considerations are power, runtime, weight, and versatility. The best overall pick, the BLACK+DECKER 40V MAX 13 in String Trimmer Edger, balances performance and ease of use. The EGO POWER+ 16″ String Trimmer stands out for its innovative features like POWERLOAD technology, while budget-conscious buyers may prefer models with dual batteries that extend runtime without a high price tag. However, tradeoffs often involve weight, battery life, or cutting width, which can impact usability depending on your yard size and terrain. Keep reading for a detailed breakdown of these options and what to prioritize for your needs.

14
compared
10
brands
16 inches
max cutting width
Which batterypowered string trimmer should you buy?
★ Top Pick
13-Inch Electric Weed Wacker w
Best Overall for Versatility and Ease of Use
Versatile 3-in-1 functionality for trimming, edging, and mowing
See on Amazon →
Gardeners looking for a high-performance, durable trimmer with quick line reloads and adjustable height.
EGO POWER+ 16" String Trimmer
Quick and easy line loading with POWERLOAD technology
View on Amazon →
Homeowners with medium-sized yards who prioritize lightweight handling and extended battery life.
20V Cordless Weed Wacker & 12"
Extremely lightweight, reducing user fatigue
View on Amazon →
Homeowners with small to medium yards who need a compact, powerful device for weed and grass control.
20V Cordless Weed Wacker Edger
Powerful motor handles dense weeds and thick grass
View on Amazon →
Homeowners with small to medium-sized yards who want a lightweight, easy-to-use trimmer and edger combo.
Electric Cordless String Trimm
Versatile 2-in-1 trimmer and edger design
View on Amazon →
Cutting Width — compared
13-Inch Electric Weed Wacker w13 inches
EGO POWER+ 16" String Trimmer 16 inches
20V Cordless Weed Wacker & 12"12 inches
20V Cordless Weed Wacker Edger12 inches
Electric Cordless String Trimm12 inches
20V Cordless Electric Weed Wac12 inches
BLACK+DECKER 40V MAX 13 in Str13 inches
Electric Cordless Weed Wacker 12 inches
ALSO GO 21V Cordless Weed Wack12 inches
20V Cordless Weed Wacker and E12 inches
DEGGE Cordless Electric Weed W12 inches
Pros & cons at a glance
13-Inch Electric Weed Wacker w
✓ Versatile 3-in-1 functionality for trimming, edging, and mowing
✗ Battery runtime may be limited to around 30 minutes
EGO POWER+ 16" String Trimmer
✓ Quick and easy line loading with POWERLOAD technology
✗ Battery and charger sold separately
20V Cordless Weed Wacker & 12"
✓ Extremely lightweight, reducing user fatigue
✗ Runtime varies depending on load
20V Cordless Weed Wacker Edger
✓ Powerful motor handles dense weeds and thick grass
✗ Limited runtime for large areas
Electric Cordless String Trimm
✓ Versatile 2-in-1 trimmer and edger design
✗ Runtime limited to about 30 minutes per charge
20V Cordless Electric Weed Wac
✓ Lightweight and highly maneuverable
✗ Limited runtime for larger yards
WORX 20V 12" 2-in-1 Cordless S
✓ Convertible 2-in-1 design for trimming and edging
✗ Requires two batteries for full operation
BLACK+DECKER 40V MAX 13 in Str
✓ Powerful 40V battery for larger tasks
✗ Heavier and bulkier than smaller models
Electric Cordless Weed Wacker
✓ High 9000 RPM motor for efficient cutting
✗ Limited runtime per charge (12 minutes per battery)
24V Electric Weed Wacker Edger
✓ Multiple blades and attachments for various tasks
✗ Requires safety lock engagement to operate safely
ALSO GO 21V Cordless Weed Wack
✓ Powerful 9500 RPM motor for efficient cutting
✗ Battery life may be limited for large areas
20V Cordless Weed Wacker and E
✓ Compact foldable design for easy storage
✗ Limited runtime of around 30 minutes
21V Cordless Weed Wacker
✓ Versatile 3-in-1 design for trimming, edging, and weed clearing
✗ Limited power on very tough weeds
DEGGE Cordless Electric Weed W
✓ Long runtime of up to 70 minutes with dual batteries
✗ Plastic parts may wear faster under heavy use

Complete the kit

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Key Takeaways

  • The top-rated models excel in balancing power and weight, making them suitable for extended use without fatigue.
  • Battery capacity and included runtime vary considerably; models with dual batteries or larger capacities tend to last longer but are heavier and more expensive.
  • Features like auto line feed, adjustable shafts, and ergonomic design significantly improve ease of use, especially for beginners.
  • Higher-end models often incorporate innovative tech such as POWERLOAD or rapid charging, justifying their higher price for serious gardeners.
  • Choosing the right size and weight is critical; smaller yards benefit from lightweight, compact units, while larger properties may need more robust options.
2
EGO POWER+ 16" String Trimmer
Best for Heavy-Duty Trimming with Quick Line Replacement
1
13-Inch Electric Weed Wacker w
Best Overall for Versatility and Ease of Use
3
20V Cordless Weed Wacker & 12"
Best for Lightweight, Extended Yard Maintenance

Our Top Batterypowered String Trimmers Picks

13-Inch Electric Weed Wacker with Dual Line Auto Feed, 20V 4.0Ah Battery, and Fast Charger – 3-in-1 Cordless String Trimmer, Edger, and Mini Mower13-Inch Electric Weed Wacker with Dual Line Auto Feed, 20V 4.0Ah Battery, and Fast Charger - 3-in-1 Cordless String Trimmer, Edger, and Mini MowerBest Overall for Versatility and Ease of UseBattery: 20V 4.0AhMotor Speed: 8000 RPMCutting Width: 13 inchesVIEW ON AMAZONSee Our Full Breakdown
EGO POWER+ 16″ String Trimmer with POWERLOAD Technology, Telescopic Carbon Fiber Shaft (Battery & Charger Not Included)EGO POWER+ 16" String Trimmer with POWERLOAD Technology, Telescopic Carbon Fiber Shaft (Battery & Charger Not Included)Best for Heavy-Duty Trimming with Quick Line ReplacementPower Source: Battery PoweredCutting Width: 16 inchesBattery Life: Up to 45 minutesVIEW ON AMAZONSee Our Full Breakdown
20V Cordless Weed Wacker & 12″ String Trimmer with 2 Batteries20V Cordless Weed Wacker & 12" String Trimmer with 2 BatteriesBest for Lightweight, Extended Yard MaintenanceWeight: 3.5 lbsBattery: 20V lithium-ionBattery Capacity: 2.0AhVIEW ON AMAZONSee Our Full Breakdown
20V Cordless Weed Wacker Edger with 2 Batteries and Charger20V Cordless Weed Wacker Edger with 2 Batteries and ChargerBest for Thick Grass and Compact StoragePower: 20VCutting Width: 12 inchesMotor Speed: 9500 RPMVIEW ON AMAZONSee Our Full Breakdown
Electric Cordless String Trimmer with 2 Batteries and Charger, 20V, 12-inch Cutting Width, Foldable Shaft, 2-in-1 Edger & TrimmerElectric Cordless String Trimmer with 2 Batteries and Charger, 20V, 12-inch Cutting Width, Foldable Shaft, 2-in-1 Edger & TrimmerBest for Compact, User-Friendly Yard MaintenanceBattery: 2 x 2.0Ah lithium-ionVoltage: 20VCutting Width: 12 inchesVIEW ON AMAZONSee Our Full Breakdown
20V Cordless Electric Weed Wacker and Edger with Dual Batteries20V Cordless Electric Weed Wacker and Edger with Dual BatteriesBest for Small Yards and Tight SpacesPower Source: Battery PoweredCutting Width: 12 inchesSpeed: 9500 rpmVIEW ON AMAZONSee Our Full Breakdown
WORX 20V 12″ 2-in-1 Cordless String Trimmer & Edger WG163WORX 20V 12" 2-in-1 Cordless String Trimmer & Edger WG163Best Versatile 2-in-1 for Trimming and EdgingNo-Load Speed: 7600 rpmCutting Diameter: 12 inchesWeight: 5.5 lbsVIEW ON AMAZONSee Our Full Breakdown
BLACK+DECKER 40V MAX 13 in String Trimmer Edger Cordless with Battery and ChargerBLACK+DECKER 40V MAX 13 in String Trimmer Edger Cordless with Battery and ChargerBest for Power and Versatility in a Larger YardBattery: 40V MAX lithium-ionCutting Width: 13 inchesSpeed: up to 8500 RPMVIEW ON AMAZONSee Our Full Breakdown
Electric Cordless Weed Wacker 21V with Dual Batteries, 12″ Cutting WidthElectric Cordless Weed Wacker 21V with Dual Batteries, 12" Cutting WidthBest for Beginners and Small YardsPower Source: Battery PoweredCutting Width: 12 inchesSpeed: 9000 rpmVIEW ON AMAZONSee Our Full Breakdown
24V Electric Weed Wacker Edger Lawn Tool with 2 Batteries24V Electric Weed Wacker Edger Lawn Tool with 2 BatteriesBest for Multi-Tool Yard MaintenancePower: 650WVoltage: 24VBattery Capacity: 2.0Ah (x2)VIEW ON AMAZONSee Our Full Breakdown
ALSO GO 21V Cordless Weed Wacker, 12-Inch String Trimmer with Auto Line Feed, 2 Batteries & 10 SpoolsALSO GO 21V Cordless Weed Wacker, 12-Inch String Trimmer with Auto Line Feed, 2 Batteries & 10 SpoolsBest Overall for Power and VersatilityVoltage: 21VCutting Width: 12 inchesMotor Speed: 9500 RPMVIEW ON AMAZONSee Our Full Breakdown
20V Cordless Weed Wacker and Edger, 12-Inch Lawn Tool with 2 Batteries and Charger20V Cordless Weed Wacker and Edger, 12-Inch Lawn Tool with 2 Batteries and ChargerBest for Light, Versatile Yard MaintenancePower: 20VCutting Width: 12 inchesMotor Speed: 9500 RPMVIEW ON AMAZONSee Our Full Breakdown
21V Cordless Weed Wacker, 3-in-1 Auto Feed String Trimmer with Dual 4.0Ah Batteries21V Cordless Weed Wacker, 3-in-1 Auto Feed String Trimmer with Dual 4.0Ah BatteriesBest for Versatile Lawn Care and Long RuntimePower: 500WBattery: Two 4.0AhRuntime: Up to 120 minutesVIEW ON AMAZONSee Our Full Breakdown
DEGGE Cordless Electric Weed Wacker, 21V, 12″ Battery Powered String Trimmer & Lawn Edger with Auto Feed, 650W Motor, 8 Spools, Charger IncludedDEGGE Cordless Electric Weed Wacker, 21V, 12" Battery Powered String Trimmer & Lawn Edger with Auto Feed, 650W Motor, 8 Spools, Charger IncludedBest for Long Runtime and Ergonomic ComfortBattery: 2 x 3.0Ah 21VRuntime: 70 minutesMotor Power: 650WVIEW ON AMAZONSee Our Full Breakdown
Specs at a glance
batterypowered string trimmerCutting WidthBattery
13-Inch Electric Weed Wacker w13 inches20V 4.0Ah
EGO POWER+ 16" String Trimmer 16 inches
20V Cordless Weed Wacker & 12"12 inches20V lithium-ion
20V Cordless Weed Wacker Edger12 inches2 x 2.0Ah
Electric Cordless String Trimm12 inches2 x 2.0Ah lithium-ion
20V Cordless Electric Weed Wac12 inches
WORX 20V 12" 2-in-1 Cordless S
BLACK+DECKER 40V MAX 13 in Str13 inches40V MAX lithium-ion
Electric Cordless Weed Wacker 12 inches
24V Electric Weed Wacker Edger
ALSO GO 21V Cordless Weed Wack12 inches
20V Cordless Weed Wacker and E12 inches2 x 2.0Ah
21V Cordless Weed WackerTwo 4.0Ah
DEGGE Cordless Electric Weed W12 inches2 x 3.0Ah 21V

More Details on Our Top Picks

  1. 13-Inch Electric Weed Wacker with Dual Line Auto Feed, 20V 4.0Ah Battery, and Fast Charger – 3-in-1 Cordless String Trimmer, Edger, and Mini Mower

    13-Inch Electric Weed Wacker with Dual Line Auto Feed, 20V 4.0Ah Battery, and Fast Charger - 3-in-1 Cordless String Trimmer, Edger, and Mini Mower

    Best Overall for Versatility and Ease of Use

    View on Amazon

    This 3-in-1 cordless tool excels in combining trimming, edging, and light mowing, making it a versatile choice for small to medium yards. Compared with the WORX WG163, it offers the added benefit of adjustable head and handle positions, enhancing user comfort. Its lightweight design at just 5.5 pounds reduces fatigue during extended use, while the automatic dual line feed streamlines trimming. However, the 30-minute battery runtime limits longer projects, and line feeding issues can occur if maintenance is neglected. Still, for users seeking a flexible and user-friendly device that handles multiple yard tasks without heavy weight or complex setup, this pick stands out.

    Pros:
    • Versatile 3-in-1 functionality for trimming, edging, and mowing
    • Lightweight and adjustable for user comfort
    • Automatic dual line feed improves trimming efficiency
    • Includes multiple line spools and fast charger for convenience
    Cons:
    • Battery runtime may be limited to around 30 minutes
    • Line feeding issues can occur if not properly maintained

    Best for: Homeowners with small to medium-sized yards who want a lightweight, multi-purpose trimmer.

    Not ideal for: Anyone with large or heavily overgrown areas needing continuous power and longer runtime.

    • Battery:20V 4.0Ah
    • Motor Speed:8000 RPM
    • Cutting Width:13 inches
    • Weight:5.5 lbs
    • Adjustable Shaft:38 to 49 inches
    • Included Accessories:8 line spools, fast charger, user manual
    Our verdict
    “This trimmer is ideal for small yard owners who prioritize versatility and ease of handling over extended runtime.”
  2. EGO POWER+ 16″ String Trimmer with POWERLOAD Technology, Telescopic Carbon Fiber Shaft (Battery & Charger Not Included)

    EGO POWER+ 16" String Trimmer with POWERLOAD Technology, Telescopic Carbon Fiber Shaft (Battery & Charger Not Included)

    Best for Heavy-Duty Trimming with Quick Line Replacement

    View on Amazon

    The EGO POWER+ stands out for its innovative POWERLOAD technology, which allows for rapid line changes, saving time during yard work. Its telescopic carbon fiber shaft offers a lightweight yet durable feel, making it better suited to users who prefer ergonomic adjustment and extended comfort. With up to 45 minutes of runtime on a full charge, it surpasses many battery-powered options like the 20V Cordless Weed Wacker & 12″ String Trimmer, which typically offer 40–60 minutes. The main tradeoff is that the battery and charger are sold separately, which can increase overall cost and complexity. It’s an excellent choice for those needing a reliable, longer-lasting trimmer with easy maintenance.

    Pros:
    • Quick and easy line loading with POWERLOAD technology
    • Lightweight, durable carbon fiber shaft with adjustable height
    • Longer runtime of up to 45 minutes
    • High-efficiency brushless motor for durability and low vibration
    Cons:
    • Battery and charger sold separately
    • Requires compatible 56V ARC Lithium battery for operation

    Best for: Gardeners looking for a high-performance, durable trimmer with quick line reloads and adjustable height.

    Not ideal for: Casual users or those on a tight budget, since battery and charger are sold separately and the initial investment is higher.

    • Power Source:Battery Powered
    • Cutting Width:16 inches
    • Battery Life:Up to 45 minutes
    • Item Weight:7.5 pounds
    Our verdict
    “This model is best suited for serious gardeners seeking durability, longer runtime, and easy line management, despite additional costs for batteries and chargers.”
  3. 20V Cordless Weed Wacker & 12″ String Trimmer with 2 Batteries

    20V Cordless Weed Wacker & 12" String Trimmer with 2 Batteries

    Best for Lightweight, Extended Yard Maintenance

    View on Amazon

    This ultra-lightweight 20V trimmer at just 3.5 pounds offers exceptional maneuverability, making it perfect for users who want minimal fatigue during yard work. Its dual batteries allow for up to 60 minutes of runtime, which is longer than many single-battery models like the 20V Cordless Electric Weed Wacker and Edger. The 12-inch cutting width is suitable for mid-sized lawns, and the 180° pivoting head adds versatility for trimming around obstacles. However, the runtime can vary significantly depending on load, and the need to swap batteries for larger jobs can slow down work. This option makes the most sense for homeowners managing regular yard maintenance with a preference for lightweight tools.

    Pros:
    • Extremely lightweight, reducing user fatigue
    • Dual batteries provide extended runtime
    • Versatile 3-in-1 design for trimming, edging, and weed cutting
    • 180° pivoting head for flexible trimming
    Cons:
    • Runtime varies depending on load
    • Requires battery swapping for extended projects

    Best for: Homeowners with medium-sized yards who prioritize lightweight handling and extended battery life.

    Not ideal for: Larger properties or heavy-duty landscaping tasks that require continuous power or larger cutting widths.

    • Weight:3.5 lbs
    • Battery:20V lithium-ion
    • Battery Capacity:2.0Ah
    • Runtime:40–60 minutes
    • Cutting Width:12 inches
    • Noise Level:below 75 dB
    Our verdict
    “Ideal for homeowners seeking a lightweight, long-lasting trimmer for regular yard maintenance rather than heavy-duty landscaping.”
  4. 20V Cordless Weed Wacker Edger with 2 Batteries and Charger

    20V Cordless Weed Wacker Edger with 2 Batteries and Charger

    Best for Thick Grass and Compact Storage

    View on Amazon

    This 12-inch trimmer and edger offers a powerful 9500 RPM motor, making it well-suited for tackling thick weeds and dense grass. Its foldable design enhances storage convenience, especially with the included two batteries, which extend usability for small to medium yards. Compared to larger models like the 16″ EGO POWER+, it sacrifices width for compactness and maneuverability. The 30-minute runtime may be limiting for larger areas, and there’s no explicit weather resistance, which could be a concern for outdoor use. Nonetheless, it’s a solid choice for users needing a quick, powerful tool for regular yard cleanup that’s easy to store.

    Pros:
    • Powerful motor handles dense weeds and thick grass
    • Includes two batteries for extended use
    • Foldable design for compact storage
    • Easy to handle for quick jobs
    Cons:
    • Limited runtime for large areas
    • Only 12-inch cutting width may require multiple passes

    Best for: Homeowners with small to medium yards who need a compact, powerful device for weed and grass control.

    Not ideal for: Large properties or extensive landscaping projects where longer runtime and wider cutting paths are necessary.

    • Power:20V
    • Cutting Width:12 inches
    • Motor Speed:9500 RPM
    • Battery:2 x 2.0Ah
    • Runtime:Approximately 30 minutes
    • Foldable:Yes
    Our verdict
    “This trimmer is best suited for users needing a compact, powerful tool for quick yard tasks rather than extensive landscaping.”
  5. Electric Cordless String Trimmer with 2 Batteries and Charger, 20V, 12-inch Cutting Width, Foldable Shaft, 2-in-1 Edger & Trimmer

    Electric Cordless String Trimmer with 2 Batteries and Charger, 20V, 12-inch Cutting Width, Foldable Shaft, 2-in-1 Edger & Trimmer

    Best for Compact, User-Friendly Yard Maintenance

    View on Amazon

    This 20V trimmer offers a balanced combination of portability and functionality, with a foldable shaft for easy storage and a 2-in-1 design that switches effortlessly between trimming and edging. Its 12-inch cutting width is suitable for small to medium yards, and the inclusion of two batteries allows for about 30 minutes of runtime per charge, comparable to other lightweight models like the 20V Cordless Weed Wacker & 12″ String Trimmer. The ergonomic design reduces strain during use, making it ideal for users with limited strength or mobility. The main tradeoff is the limited runtime, which may require extra batteries for larger projects. Overall, this tool serves well for homeowners who want a compact, versatile device that’s easy to handle and store.

    Pros:
    • Versatile 2-in-1 trimmer and edger design
    • Foldable shaft for compact storage
    • Lightweight and ergonomic for comfortable use
    • Includes two batteries for extended runtime
    Cons:
    • Runtime limited to about 30 minutes per charge
    • No detailed weight info provided

    Best for: Homeowners with small to medium-sized yards who want a lightweight, easy-to-use trimmer and edger combo.

    Not ideal for: Large properties or heavy-duty landscaping where longer runtime and wider cutting widths are needed.

    • Battery:2 x 2.0Ah lithium-ion
    • Voltage:20V
    • Cutting Width:12 inches
    • No-load Speed:9500 RPM
    • Adjustable Shaft:Yes, 180° foldable
    • Includes:Charger
    Our verdict
    “This trimmer makes a strong case for homeowners seeking a portable, easy-to-maintain yard tool for regular tasks, despite limited runtime per charge.”
  6. 20V Cordless Electric Weed Wacker and Edger with Dual Batteries

    20V Cordless Electric Weed Wacker and Edger with Dual Batteries

    Best for Small Yards and Tight Spaces

    View on Amazon

    This lightweight, foldable trimmer excels in small yard maintenance, thanks to its 12-inch cutting width, auto line feed, and dual batteries that extend runtime up to 30 minutes. Compared to the Electric Cordless Weed Wacker 21V, it offers slightly longer operation thanks to the dual batteries, but its 30-minute limit still makes it less suited for larger properties. The foldable design and automatic line feed make it highly maneuverable and low maintenance. However, its runtime is limited for bigger yards, and battery cooling is necessary for sustained use. This pick makes the most sense for homeowners with small outdoor spaces who prioritize portability and storage.

    Pros:
    • Lightweight and highly maneuverable
    • Folds for compact storage
    • Automatic line feed reduces manual bumping
    • Includes two batteries for extended use
    Cons:
    • Limited runtime for larger yards
    • Battery cooling required for prolonged use
    • Designed mainly for small-scale trimming tasks

    Best for: Small yard owners needing quick, easy trimming without fuss

    Not ideal for: Larger property owners or those with extensive trimming needs, as runtime may fall short

    • Power Source:Battery Powered
    • Cutting Width:12 inches
    • Speed:9500 rpm
    • Number of Batteries:2 Lithium Ion batteries (included)
    • Battery Average Life:30 minutes
    • Item Dimensions:40″L x 8″W
    Our verdict
    “Ideal for small yard owners who value portability and quick, hassle-free trimming.”
  7. WORX 20V 12″ 2-in-1 Cordless String Trimmer & Edger WG163

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

    Best Versatile 2-in-1 for Trimming and Edging

    View on Amazon

    The WORX WG163 stands out for its true 2-in-1 design, allowing quick conversion between a trimmer and an edger, making lawn maintenance more flexible. Its 7600 rpm no-load speed and adjustable spacer guard help it perform well on various terrains, while its lightweight design at just 5.5 lbs enhances maneuverability. Compared with the BLACK+DECKER 40V MAX, it offers a more portable option for small to medium yards, but it requires two batteries for full use and may have durability concerns over time. The instant line feed feature simplifies operation, but battery life can be limited for larger jobs. This tool is best for homeowners who want versatility without sacrificing ease of use.

    Pros:
    • Convertible 2-in-1 design for trimming and edging
    • Instant line feed with push button system
    • Lightweight and easy to maneuver
    • Compatible with other WORX Power Share tools
    Cons:
    • Requires two batteries for full operation
    • Battery life may be limited on larger tasks
    • Plastic components may wear over time

    Best for: Homeowners seeking a versatile, lightweight tool for frequent trimming and edging

    Not ideal for: Large yards or heavy-duty professional use, due to battery constraints and potential durability issues

    • No-Load Speed:7600 rpm
    • Cutting Diameter:12 inches
    • Weight:5.5 lbs
    • Line Length:10 inches
    • Line Diameter:0.065 inches
    Our verdict
    “A flexible, user-friendly option best suited for small to medium yards with frequent trimming needs.”
  8. BLACK+DECKER 40V MAX 13 in String Trimmer Edger Cordless with Battery and Charger

    BLACK+DECKER 40V MAX 13 in String Trimmer Edger Cordless with Battery and Charger

    Best for Power and Versatility in a Larger Yard

    View on Amazon

    The BLACK+DECKER 40V MAX offers a larger 13-inch cutting width, making it more suitable for bigger yards compared to smaller models. Its adjustable power and height settings improve comfort and performance, while the quick 2-hour charge time allows for relatively fast turnaround between jobs. It surpasses the WORX WG163 in power due to its 40V battery, but its heavier weight and manual line adjustment may hinder ease of use for some users. Battery life can be limited for extensive projects, and some models do not come with a battery, which could add to initial costs. Overall, this trimmer is best for homeowners needing more power and a larger cutting swath for more demanding yard tasks.

    Pros:
    • Powerful 40V battery for larger tasks
    • Adjustable power and height for comfort
    • Quick 2-hour recharge
    • Includes battery, charger, and accessories
    Cons:
    • Heavier and bulkier than smaller models
    • Requires manual line feeding
    • Battery not included in some models

    Best for: Homeowners with medium to large yards who want more power and capacity

    Not ideal for: Small yard owners or those preferring lightweight, simple tools, due to its size and weight

    • Battery:40V MAX lithium-ion
    • Cutting Width:13 inches
    • Speed:up to 8500 RPM
    • Charge Time:2 hours or less
    • Included:Battery, charger, spool, guard, auxiliary handle
    Our verdict
    “A robust, versatile trimmer ideal for larger yards that demand more power and cutting capacity.”
  9. Electric Cordless Weed Wacker 21V with Dual Batteries, 12″ Cutting Width

    Electric Cordless Weed Wacker 21V with Dual Batteries, 12" Cutting Width

    Best for Beginners and Small Yards

    View on Amazon

    This 21V weed wacker features a high 9000 RPM motor, dual batteries, and a compact 12-inch cutting width, making it well-suited for small yards and novice users. Its lightweight design at 5.3 pounds and ergonomic shape facilitate easy handling, while the dual batteries extend operation to about 20 minutes—adequate for quick yard chores. Compared to the 20V Cordless Electric Weed Wacker, it offers a slightly higher speed, but the short runtime limits its use for larger projects. The tool’s simplicity and dual-function design make it accessible for beginners, though users needing longer operation or larger yard coverage should consider models with longer battery life. This is a solid choice for those starting out or managing modest outdoor spaces.

    Pros:
    • High 9000 RPM motor for efficient cutting
    • Lightweight and ergonomic for easy handling
    • Dual batteries provide around 20 minutes of runtime
    • Dual-function for trimming and edging
    Cons:
    • Limited runtime per charge (12 minutes per battery)
    • Battery life may need more frequent recharging
    • Best suited for small, quick jobs

    Best for: Beginners or homeowners with small yards seeking easy, fast trimming

    Not ideal for: Large properties or those requiring extended runtime, due to limited battery life

    • Power Source:Battery Powered
    • Cutting Width:12 inches
    • Speed:9000 rpm
    • Number of Batteries:2
    • Battery Average Life:12 minutes
    Our verdict
    “A beginner-friendly, lightweight tool perfect for small yard tasks and novice users.”
  10. 24V Electric Weed Wacker Edger Lawn Tool with 2 Batteries

    24V Electric Weed Wacker Edger Lawn Tool with 2 Batteries

    Best for Multi-Tool Yard Maintenance

    View on Amazon

    This 24V model distinguishes itself through its versatility, offering multiple blades and attachments for trimming, edging, and even brush cutting. Its adjustable telescopic pole and pivoting head enhance reach and precision, making it a flexible choice for varied yard tasks. Compared with the 20V Cordless Weed Wacker & Edger, this model provides slightly more power and a broader range of functions, but it requires careful safety lock engagement to prevent accidental starts, and its battery recharge time isn’t specified, which could limit continuous use. It’s best suited for household gardeners wanting an all-in-one tool for different chores, though its assembly may be more involved. This tool excels when versatility matters most.

    Pros:
    • Multiple blades and attachments for various tasks
    • Lightweight and easy to handle
    • Adjustable telescopic pole for reach
    • Long-lasting dual batteries
    Cons:
    • Requires safety lock engagement to operate safely
    • Recharge time for batteries not specified
    • Some assembly needed for attachments

    Best for: Homeowners interested in multi-function yard tools and diverse attachments

    Not ideal for: Users needing a simple, dedicated trimmer or those with very large yards, due to runtime constraints

    • Power:650W
    • Voltage:24V
    • Battery Capacity:2.0Ah (x2)
    • No-Load Speed:11,000 RPM
    • Adjustable Length:35 to 47 inches
    Our verdict
    “Best suited for homeowners wanting a versatile, multi-purpose yard tool with multiple attachments for different tasks.”
  11. ALSO GO 21V Cordless Weed Wacker, 12-Inch String Trimmer with Auto Line Feed, 2 Batteries & 10 Spools

    ALSO GO 21V Cordless Weed Wacker, 12-Inch String Trimmer with Auto Line Feed, 2 Batteries & 10 Spools

    Best Overall for Power and Versatility

    View on Amazon

    This model stands out for its robust 9500 RPM motor and 12-inch cutting width, making it a strong choice for tackling dense grass and weeds more efficiently than some 20V options like the 20V Cordless Weed Wacker and Edger. Its inclusion of two batteries and ten spools minimizes downtime, which is a significant advantage for larger yards. However, the battery life may fall short on extensive projects, requiring careful planning. The lightweight design and adjustable angles enhance user comfort and flexibility, but the line feed system might need occasional maintenance. Compared to lighter, less powerful units, this trimmer delivers more cutting power at the cost of slightly bulkier handling.

    Pros:
    • Powerful 9500 RPM motor for efficient cutting
    • Includes 2 batteries and 10 spools, reducing interruptions
    • Lightweight at 5.27 lbs with adjustable angles for comfort
    • Switches easily between trimming and edging
    Cons:
    • Battery life may be limited for large areas
    • Line feed system could require maintenance over time

    Best for: Homeowners with medium to large yards seeking a powerful, reliable trimmer with extended run time

    Not ideal for: Gardeners with very small yards or those requiring ultra-lightweight tools for frequent quick jobs

    • Voltage:21V
    • Cutting Width:12 inches
    • Motor Speed:9500 RPM
    • Battery Capacity:2 x 2000mAh
    • Number of Spools:10
    • Weight:5.27 lbs
    • Adjustable Angles:0 to 90 degrees
    • Line Diameter:1.4mm
    Our verdict
    “This model is best suited for users who need a high-power, versatile trimmer capable of handling larger yard tasks without frequent interruptions.”
  12. 20V Cordless Weed Wacker and Edger, 12-Inch Lawn Tool with 2 Batteries and Charger

    20V Cordless Weed Wacker and Edger, 12-Inch Lawn Tool with 2 Batteries and Charger

    Best for Light, Versatile Yard Maintenance

    View on Amazon

    Compared with the ALSO GO 21V, this 20V trimmer offers slightly less power but excels in portability and ease of storage, thanks to its foldable design and lighter weight. Its 9500 RPM motor handles thick grass and weeds effectively, yet the shorter runtime of approximately 30 minutes per charge makes it better suited for small to medium yards or quick touch-ups. The adjustable angles and included accessories add convenience, but users with larger areas may find it limiting. Its foldability makes it ideal for those with limited storage space, though the plastic parts could wear faster under heavy use. If your yard is small or you prioritize compact storage, this trimmer is a practical choice.

    Pros:
    • Compact foldable design for easy storage
    • Lightweight at a manageable weight for all users
    • Versatile 2-in-1 weed wacker and edger with adjustable angles
    • Handles thick grass and weeds effectively
    Cons:
    • Limited runtime of around 30 minutes
    • Battery life may vary with heavy weeds
    • Requires assembly and adjustment for best performance

    Best for: Homeowners with small to medium yards needing a lightweight, space-saving trimmer for occasional use

    Not ideal for: Larger yard owners or those with heavy, frequent trimming needs, due to limited runtime

    • Power:20V
    • Cutting Width:12 inches
    • Motor Speed:9500 RPM
    • Battery:2 x 2.0Ah
    • Runtime:30 minutes
    • Foldable:Yes
    • Included Accessories:8 spools, 2 spool caps, charger
    Our verdict
    “This trimmer suits users who prioritize portability and quick, light yard work over extended runtime or heavy-duty power.”
  13. 21V Cordless Weed Wacker, 3-in-1 Auto Feed String Trimmer with Dual 4.0Ah Batteries

    21V Cordless Weed Wacker, 3-in-1 Auto Feed String Trimmer with Dual 4.0Ah Batteries

    Best for Versatile Lawn Care and Long Runtime

    View on Amazon

    This 3-in-1 tool offers exceptional flexibility with its ability to function as a trimmer, edger, and weed clearer, thanks to its 90° rotating head. Its 500W motor provides sufficient power for most weeds, though it may struggle with very dense or tough growth compared to higher-voltage models like the ALSO GO 21V. The long runtime of up to 120 minutes with dual batteries makes it ideal for larger properties, but users should be aware that dense weeds or heavy-duty tasks might cause battery drain faster. The lightweight design and easy operation are pluses, but assembly is required before use. Overall, this pick makes sense for those seeking multi-functionality and extended use, with some limitations on very tough weeds.

    Pros:
    • Versatile 3-in-1 design for trimming, edging, and weed clearing
    • Up to 120 minutes runtime with dual batteries
    • Lightweight and easy to handle
    • Rotating head for precision work
    Cons:
    • Limited power on very tough weeds
    • Requires assembly before use
    • Battery life can vary with dense growth

    Best for: Homeowners needing a versatile, long-lasting trimmer for varied yard conditions

    Not ideal for: Property owners with extremely dense or tough weeds, where higher power might be necessary

    • Power:500W
    • Battery:Two 4.0Ah
    • Runtime:Up to 120 minutes
    • Rotating Head:90°
    • Included Accessories:8 spools, fast charger
    • Weight:Lightweight
    Our verdict
    “This trimmer is best for users who want flexibility and long endurance for moderate yard tasks but not for heavy-duty weed removal.”
  14. DEGGE Cordless Electric Weed Wacker, 21V, 12″ Battery Powered String Trimmer & Lawn Edger with Auto Feed, 650W Motor, 8 Spools, Charger Included

    DEGGE Cordless Electric Weed Wacker, 21V, 12" Battery Powered String Trimmer & Lawn Edger with Auto Feed, 650W Motor, 8 Spools, Charger Included

    Best for Long Runtime and Ergonomic Comfort

    View on Amazon

    Compared with higher-voltage models like the ALSO GO 21V, the DEGGE 21V trimmer offers a solid 650W motor that still handles typical yard weeds effectively. Its standout feature is the long runtime—up to 70 minutes with two 21V batteries—making it suitable for larger projects without frequent recharging. Its lightweight, ergonomic design reduces fatigue during extended use, and the adjustable telescopic shaft provides customizable reach. The auto feed system simplifies line management, but the plastic parts may wear faster with heavy use, and the 650W power might be less effective on very dense or tough weeds. For users prioritizing comfort and longer, uninterrupted work sessions, this model makes a reliable choice.

    Pros:
    • Long runtime of up to 70 minutes with dual batteries
    • Lightweight and ergonomic for easy handling
    • Adjustable telescopic shaft for customized reach
    • Auto feed system for quick line replacement
    Cons:
    • Plastic parts may wear faster under heavy use
    • Limited power compared to higher-voltage models
    • Requires charging before use

    Best for: Gardeners needing a lightweight, ergonomic tool with long runtime for regular yard maintenance

    Not ideal for: Property owners with very dense, tough weeds that require maximum power and possibly higher voltage tools

    • Battery:2 x 3.0Ah 21V
    • Runtime:70 minutes
    • Motor Power:650W
    • Line Diameter:0.5cm
    • Cutting Width:12 inches
    • Adjustable Shaft:49.6″ to 57.5″
    • Includes:8 spools, charger
    Our verdict
    “This trimmer is well-suited for users looking for comfort and extended work time, especially on standard yard weed growth.”
batterypowered string trimmers
What makes a great batterypowered string trimmer
1
Battery Capacity and Runtime
Battery capacity directly impacts how long you can work without recharging.
2
Power and Cutting Capacity
The motor’s wattage and blade or string width determine cutting power.
3
Weight and Ergonomics
Weight plays a significant role in ease of use, especially if you need to operate the trimmer for extended periods.
4
Additional Features
Features like auto line feed, adjustable cutting heads, and foldable shafts enhance ease of operation.
How to choose your batterypowered string trimmer
1
How we picked
These products were evaluated based on a combination of power output, battery life, weight and ergonomics, versatility,
2
Battery Capacity and Runtime
Battery capacity directly impacts how long you can work without recharging.
3
Power and Cutting Capacity
The motor’s wattage and blade or string width determine cutting power.
4
Weight and Ergonomics
Weight plays a significant role in ease of use, especially if you need to operate the trimmer for extended periods.
5
Additional Features
Features like auto line feed, adjustable cutting heads, and foldable shafts enhance ease of operation.
Vetted batterypowered string trimmers ·
The best batterypowered string trimmers, compared
★ Winner 13-Inch Electric Weed Wacker w
Best Overall for Versatility and Ease of Use
14compared
16 inchestop cutting width

How We Picked

These products were evaluated based on a combination of power output, battery life, weight and ergonomics, versatility, and value for money. We prioritized models that balance ease of use with effective trimming performance, especially for typical residential yards. Products with features that simplify operation, like auto line feed and adjustable shafts, were favored. We also considered customer reviews and brand reputation to gauge real-world reliability. The ranking reflects a blend of performance, usability, and price, ensuring options suit different yard sizes and user experience levels.
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

Selecting the right batterypowered string trimmer involves understanding several key factors. A model that’s too heavy can cause fatigue, while insufficient battery life may leave you mid-task. Features like adjustable shafts and auto line feed can make trimming more comfortable and efficient, especially for prolonged use. It’s also worth considering whether a model includes multiple batteries or fast charging options to reduce downtime. Finally, think about your yard size and terrain—larger, uneven areas might demand more power and longer runtimes, while smaller lawns can be managed with lighter, simpler units.

Battery Capacity and Runtime

Battery capacity directly impacts how long you can work without recharging. Larger capacities, measured in amp-hours (Ah), generally provide longer runtimes, which is crucial for bigger yards. However, bigger batteries also add weight, potentially causing fatigue. Some models include dual batteries or rapid charge features, allowing longer work sessions with minimal downtime. Balancing battery size with your yard’s needs ensures you get enough runtime without sacrificing maneuverability.

Power and Cutting Capacity

The motor’s wattage and blade or string width determine cutting power. More wattage typically means better performance on thicker weeds and grass. A wider cutting swath speeds up the job on large areas, but can make maneuvering in tight spaces more challenging. For dense or overgrown areas, prioritize models with higher wattage and larger cutting widths. For light yard work, smaller, less powerful units will suffice and be easier to handle.

Weight and Ergonomics

Weight plays a significant role in ease of use, especially if you need to operate the trimmer for extended periods. Lighter models reduce fatigue but may compromise on durability or power. Adjustable shafts and ergonomic grips improve comfort and control. Considering your own strength and the terrain will help determine whether a lightweight, compact model or a more substantial unit is appropriate. Remember, a heavier tool with better features might be worth the tradeoff for larger jobs.

Additional Features

Features like auto line feed, adjustable cutting heads, and foldable shafts enhance ease of operation. Auto line feed minimizes downtime, allowing continuous trimming without manually adjusting the line. An adjustable shaft makes it easier to customize the tool to your height, reducing back strain. Some models include dual-function heads that convert from trimmer to edger, adding versatility. Weigh these enhancements against the extra cost and complexity they add to ensure they align with your yard maintenance needs.

Price and Value

Prices range widely, with more expensive models offering advanced features, longer battery life, and higher power. Budget options can work well for small yards or occasional use but may lack durability or runtime for larger projects. Investing in a slightly higher-priced model often delivers better value through increased performance and longevity. Consider long-term savings from features like fast charging and dual batteries, which can reduce overall maintenance costs and improve your trimming efficiency.

Frequently Asked Questions

How long does a typical batterypowered string trimmer run on a single charge?

Most batterypowered string trimmers offer between 20 to 45 minutes of runtime on a full charge, depending on the battery capacity and the intensity of use. Larger batteries and models with efficient motors tend to last longer, making them better suited for bigger yards. Some units with dual batteries or rapid charging features can extend your working time significantly. It’s wise to match the battery capacity with your yard size to avoid mid-task interruptions.

Are batterypowered string trimmers as powerful as gas-powered ones?

While batterypowered trimmers have improved significantly, they typically don’t match the raw power of gas models, especially for heavy-duty tasks or overgrown weeds. However, for most residential lawns, modern battery-powered options provide sufficient power with the added benefits of quieter operation, less maintenance, and zero emissions. If your yard involves frequent or tough trimming, choose models with higher wattage and larger batteries for better performance.

Can I use a batterypowered string trimmer on uneven or rocky terrain?

Yes, but with some caveats. Lighter models may struggle on uneven surfaces or rocky ground, as they can be less stable or vibrate more. Heavier, more durable units with higher power outputs tend to handle rough terrain better, providing more control and reducing strain. Pay attention to the weight and balance of the trimmer, and consider models with adjustable handles or shafts to improve stability on challenging terrain.

Do all batterypowered string trimmers come with batteries included?

Not all models include batteries; some are sold as bare tools, requiring you to purchase batteries separately. This can be cost-effective if you already own compatible batteries from other tools, but it may increase the initial investment if you’re starting from scratch. Many multi-battery kits offer better value, especially when they include rapid chargers and multiple batteries, allowing extended use across different tools.

What maintenance is required for batterypowered string trimmers?

Maintenance is generally minimal compared to gas models. Regularly check and replace the trimming line, keep the battery contacts clean, and ensure the motor vents are clear of debris. Occasionally, lubricate moving parts and inspect for damage or wear. Proper storage, especially in cold weather, extends battery life and overall longevity. Following the manufacturer’s upkeep guidelines will ensure your trimmer remains reliable over time.

Conclusion

For general homeowners seeking ease and reliability, the BLACK+DECKER 40V MAX 13 in String Trimmer Edger offers excellent value with straightforward operation. If you want cutting-edge features and the best performance, the EGO POWER+ 16″ String Trimmer makes a strong case for those willing to invest more. Beginners or those with small yards will benefit from lightweight, simple models, while larger properties might justify the higher power and longer runtime of premium options. Ultimately, your choice should reflect your yard size, frequency of use, and comfort preferences.
This article is for informational purposes only and is not medical advice. Always consult a qualified healthcare professional about your specific situation.
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