Top 10 Cordless Battery String Trimmers for All Budgets and Lawn Sizes

Last updated by Patrick Cooper on Mar 28, 2019

Here are the best battery powered cordless electric string trimmers / edgers (also known as weed wackers). We have organized these lawn trimmers into a few different lists to suit your needs.

Contents of This Article

10 Best Cordless Electric String Trimmer (Overall)
10 Best Cordless String Trimmer & Blower Combo
5 Best Cordless String Trimmer with Automatic Feed (Easy Feed)
5 Best 20v Cordless String Trimmer
5 Best 40v Cordless String Trimmer
5 Best Lightweight Cordless String Trimmer
5 Best Electric Weed Trimmer for the Money

10 Best Cordless Electric String Trimmer (Overall)

Sale1.

BLACK+DECKER LSTE525 20V MAX Lithium Easy Feed String Trimmer/Edger with 2 Batteries

Converts from trimmer to wheeled edger;Amp Hour : (2) 1.5 AH
Power Drive Transmission for increased torque
2-speed control for more power or extended runtime.Line Diameter :0.065 inches. Cutting Swath 12 inches
EASYFEED allows you to advance your line with the push of a button with no bumping required
Part of the 20V MAX System; 1 System - Endless Tasks. Power for your Style

Sale2.

Worx WG163 GT 3.0 20V Cordless Grass Trimmer/Edger with Command Feed, 12", 2 Batteries and Charger Included

2-in-1 function with dual-position wheels for grass trimming and edging
Converts from a trimmer to an in-line edger in seconds with no tools; No-Load Speed : 7600/min
Two (2) 20V cordless Max lithium power batteries provide continuous power - charge one, use one.
12-inch cutting diameter with Innovative Command Feed spool system for instant line feeding
Cutting line length: 10 feet. Quick-release lever for fast telescopic height adjustments to the 90-degree tilting shaft

Sale3.

BLACK+DECKER LST300 Weed Whacker

20-volt Lithium Ion battery pack for 33% more run time
The PowerDrive Transmission delivers more power from the motor to the cutting string so you can get the job done faster
Automatic Feed Spool ensures continuous work without bumping. Line diameter: 0.065 inches
2-in-1 trim or edge - easily converts from trimmer to edger in seconds
Lightweight design with adjustable handle and height positions

BLACK+DECKER LCC221 20V MAX Lithium String Trimmer/Edger Plus Sweeper Combo Kit, 10"

Sweeper is ideal for clearing driveways, sidewalks, decks, garages
String trimmer features Automatic Feed Spool; no bumping required
Lightweight design, low noise levels. Sweeper has lightweight design of only 3.7 pounds, string trimmer has lightweight design of only 4.5 pounds
20V MAX Lithium Ion 1.5Ah battery

Greenworks 12-Inch 24V Cordless String Trimmer, 2.0 AH Battery Included 21342

Pivoting head allows for edging and trimming capability with edging wheel
Electric start eliminates gas hassle, less maintenance and zero fumes;Handle Type: Wrap-Around
12-inch cut path with .065 single line auto feed for easy line advance
Shaft length (inch): 40. Compatible GreenWorks Replacement Spool, Model 29252 and 29092
Battery and charger included. Compatible battery models 29842 and 29852 and charger 29862

Greenworks 40V Cordless String Trimmer & Blower Combo Pack STBA40B210

Up to 45 minutes of run time with fully charged 2.0Ah Battery, Battery and charger included
The innovative axial fan design delivers 110 mph and 390 CFM to handle tough clearing jobs
Light weight and easy to use
40V 2Ah Li-Ion Battery and charger included, compatible Battery and charger models 29462, 29472 and 29482

Sale7.

BLACK+DECKER LST140C 40V Max Lithium String Trimmer

High-performance 40V max Lithium ion Battery with state of charge indicator that shows remaining power
Power drive high-torque transmission gives you cutting power at the string for clean, fast cuts
Automatic feed Spool - afs which automatically feeds trimmer line as needed with no bumping
Converts from trimmer to edger in seconds
3 Year limited Warranty

Sale8.

Greenworks 12-Inch 40V Cordless String Trimmer, 2.0 AH Battery Included 2101602

Industry's largest 40V battery system powers 25+ tools
2X more power than 20V
12" 065 dual line with auto-feed head to rip through weeds for fast trimming
Variable speed trigger for power on demand

Sale9.

Greenworks PRO 16-Inch 80V Cordless String Trimmer, 2.0 AH Battery Included ST80L210

16-Inch Cut Path
Up To 45 Minutes Run-Time with Fully Charged 80V 2Ah Battery (30 Minute Rapid Charger)
0.080-Inch Dual Line Bump Feed Head
Brushless Motor Provides More Power, Performance, and Durability
Split Shaft Design Allows For Compact Storage

10.

Makita XRU09PT1 18V X2 (36V) LXT Lithium-Ion Brushless Cordless String Trimmer Kit with 4 Batteries (5.0Ah), Teal

Makita-built outer rotor BL Brushless motor direct-drive system provides high power and increased torque
Variable speed trigger for power control
2-Speed options (low: 5, 000 RPM, high: 6, 500 RPM) allow the operator to match the speed to the application for run time management
Equipped with bump and feed trimmer head loaded with 0. 080" Twisted quiet Line
Reverse rotation function allows operator to quickly clear trimmer head of entangled grass and weeds

10 Best Cordless String Trimmer & Blower Combo

Greenworks 24V Cordless String Trimmer & Blower Combo Pack STBA24B210

Innovative walk behind edging for a clean edge every time
The innovative axial fan design delivers 100 MPH and 300 CFM to clear hard surfaces quickly
Light weight and easy to use
24V 2AH li-ion battery and charger included, Compatible battery and charger models 29842, 29852, & 29862

BLACK+DECKER LCC221 20V MAX Lithium String Trimmer/Edger Plus Sweeper Combo Kit, 10"

Sweeper is ideal for clearing driveways, sidewalks, decks, garages
String trimmer features Automatic Feed Spool; no bumping required
Lightweight design, low noise levels. Sweeper has lightweight design of only 3.7 pounds, string trimmer has lightweight design of only 4.5 pounds
20V MAX Lithium Ion 1.5Ah battery

BLACK+DECKER LCC340C 40V MAX Lithium String Trimmer/Sweeper Combo Kit

LST140 40V MAX String Trimmer/Edger with POWER DRIVE high-torque transmission for clean, fast cuts
AUTOMATIC FEED SPOOL - AFS automatically feeds trimmer line as needed
LSW40 40V MAX Sweeper a wind speed of up to 130 MPH easily clear debris from hard surfaces
Low noise design for quiet operation.Up to 130MPH
Both units offer a 'state of charge' indicator which shows your battery charge level

Greenworks 40V Cordless String Trimmer & Blower Combo Pack STBA40B210

Up to 45 minutes of run time with fully charged 2.0Ah Battery, Battery and charger included
The innovative axial fan design delivers 110 mph and 390 CFM to handle tough clearing jobs
Light weight and easy to use
40V 2Ah Li-Ion Battery and charger included, compatible Battery and charger models 29462, 29472 and 29482

Worx WG921.1 Cordless 20V 12” Trimmer and TURBINE 20V Cordless Blower; 3 20V Batteries, and 2-hr Dual Charger included

Includes WG546 20V turbine blower, WG163 20V gt 3.0 trimmer, 3 20V 2.0Ah batteries, and a 2-hr dual charger
Trimmer: converts from a trimmer to an in-line edger in seconds with no tools
Trimmer: 12-inch cutting diameter with innovative Command feed Spool system for Instant line feeding
Blower: high capacity air volume with turbine fan technology (340 CFM)
Blower: hyper-stream air nozzle for extra tough conditions

Weed Eater BT301i, 20-Volt Cordless Interchangeable Combo, 3 tools in 1 (includes 2.5Ah battery)

Attachment-capable, with a universal powerhead that's interchangeable with multiple tools (blower, hedge trimmer and string trimmer).
With 250 CFM of blowing force and 80 MPH air speed, there's plenty of power to blow away grass, leaves, and other debris
Large 12" cutting path cuts wide swaths of grass and weeds.
Powerful and lightweight, with 16" dual-action blades that cut branches and limbs up to ½” in diameter.
Includes 2.5Ah battery for long run-time with no sacrifice of power or performance.

Worx WG954 20V Revolution Grass Trimmer/Edger and Turbine Blower Combo Kit with two 20V (2.0Ah) Batteries, Charger

Trimmer: convert trimmer easily to an edger or mini-mower in seconds
Trimmer: innovative Command feed Spool system for Instant line feeding and telescopic shaft adjusts to user's Height and posture
Blower: high capacity air volume with turbine fan technology (340 CFM)
Blower: hyper-stream air nozzle for extra tough conditions
Kit includes 2 batteries and charger for back to back use. Share Battery across multiple WORX tools within the 20V power share platform

Worx WG930 20V 10" Cordless String Trimmer & TURBINE Blower Combo Kit, 2 Batteries and 1-Hr Charger

Trimmer: convert trimmer easily to an edger or mini-mower in seconds
Trimmer: innovative Command feed Spool system for instant Line feeding and telescopic shaft adjusts to user's Height and posture
Blower: high capacity air volume with turbine fan technology (360 CFM)
Blower: hyper-stream air nozzle for extra tough conditions
Kit includes WG170, WG547, 2 batteries and charger for back to back Use. Share Battery across multiple WORX tools within the 20V power share platform

Greenworks PRO 80V Cordless String Trimmer & Blower Combo, 2.0 AH Battery Included STBA80L210

Combo kit includes 80V jet blower and 80V front mount string trimmer
14/16-inch cut path, .080 line diameter bump feed and die cast gear box for durability
Up to 500CFM and 125MPH to blow through wet/dry leaves and debris. Blower has 3-speed selection with a variable speed trigger
Brushless motors are more reliable and delivers gas equivalent performance to a 32cc gas engine
(1) 2Ah battery and charger included

10.

Dewalt DCKO97M1 20V MAX Lithium-Ion Cordless String Trimmer/Blower Combo

Brushless Motor Delivers Optimized Continuous Performance
Variable Speed Trigger Matches Power to Application
Blower Delivers a Wind Speed of 90 MPH
Tools are Compatible with Dewalt Battery Models DCB200, DCB201, DCB203 (sold separately)
Included: (1) Dewalt DCST920P1 20V String Trimmer, (1) Dewalt DCBL720B 20V Blower, (1) Dewalt 4.0Ah Battery and (1) Dewalt 20V Charger

5 Best Cordless String Trimmer with Automatic Feed (Easy Feed)

Sale1.

String Trimmer, TECCPO 20V 2Ah Lithium Ion, 2 16ft Nylon Thread Spool, Automatic Feed Spool, 12in Cutting Swath, Cordless Professional Grass Trimmer/Edger, Battery and Charger Include - TDLT02G

【2 16ft nylon thread spool and soft grip】- The nylon thread is 1.5mm 16ft and we provide a replacement nylon spool; The soft grip gives you a comfortable feel, reducing vibration and working fatigue, and the lightweight design makes work easier
【2-in-1 function design and adjustable cutting range】- With pivoting head, you can switch between grass trimmer and edger in seconds with no tools, two functions for grass trimming and edging; Using tools can adjust the cutting range by adjusting the blade
【Flexible aluminum lever and safety switch】- You can adjust the length of the aluminum telescopic shaft and the 5 angles of the side handle to make your work more convenient; Dual start switch provides more safety
【Automatic feed spool and flower spacer guard】 - Automatic feed spool provides instant line feeding, making your work continuous; Flower spacer guard can protect your vegetation and be used as a edger guide
【Package Contents】- TECCPO TDLT02G String Trimmer; Nylon Spool; Screwdriver; Charger; Battery Pack; User Manual; Warranty Card (The batteries can be shared with all the TECCPO 20V power tools, and please fully charge the battery before using the product for the first time. If you have any questions, please contact us: support@teccpotools.com)

Sale2.

BLACK+DECKER LST140C 40V Max Lithium String Trimmer

High-performance 40V max Lithium ion Battery with state of charge indicator that shows remaining power
Power drive high-torque transmission gives you cutting power at the string for clean, fast cuts
Automatic feed Spool - afs which automatically feeds trimmer line as needed with no bumping
Converts from trimmer to edger in seconds
3 Year limited Warranty

Prostormer String Trimmer/Edger, 20V Max Cordless Grass Trimmer with Automatic Feed Spool, 12-Inch Cutting Path, 2.0Ah Lithium-ion Battery and 1 Hour Fast Charger Included

Tool-free converts from a trimmer to an in-line edger in seconds, 180-degree rotating head with five adjustable positions.
12-inch cutting path with 0.065" single line auto feed for easy line advance. No-Load Speed: 8500RPM.
Quick-release lever for fast telescopic height adjustments to get the best cutting position.
Front auxiliary handle offers more control and less fatigue (weights only 6.5Lbs with battery).
Powered by a 2.0Ah Lithium-ion battery with 1 hour charge time with 50 minutes no load time run time.

BLACK+DECKER LST522 20V MAX Lithium 2-Speed String Trimmer/Edger, 12"

Part of the 20V MAX System; 1 System - Endless Tasks. Power for your Style
Converts from trimmer to wheeled edger
Power Drive Transmission for increased torque
2-speed control for more power or extended runtime
Automatic Feed Spool (AFS) automatically feeds trimmer line - no bumping required

Sale5.

BLACK+DECKER LST300 Weed Whacker

20-volt Lithium Ion battery pack for 33% more run time
The PowerDrive Transmission delivers more power from the motor to the cutting string so you can get the job done faster
Automatic Feed Spool ensures continuous work without bumping. Line diameter: 0.065 inches
2-in-1 trim or edge - easily converts from trimmer to edger in seconds
Lightweight design with adjustable handle and height positions

5 Best 20v Cordless String Trimmer

Sale1.

Worx WG163 GT 3.0 20V Cordless Grass Trimmer/Edger with Command Feed, 12", 2 Batteries and Charger Included

2-in-1 function with dual-position wheels for grass trimming and edging
Converts from a trimmer to an in-line edger in seconds with no tools; No-Load Speed : 7600/min
Two (2) 20V cordless Max lithium power batteries provide continuous power - charge one, use one.
12-inch cutting diameter with Innovative Command Feed spool system for instant line feeding
Cutting line length: 10 feet. Quick-release lever for fast telescopic height adjustments to the 90-degree tilting shaft

Sale2.

BLACK+DECKER LSTE525 20V MAX Lithium Easy Feed String Trimmer/Edger with 2 Batteries

Converts from trimmer to wheeled edger;Amp Hour : (2) 1.5 AH
Power Drive Transmission for increased torque
2-speed control for more power or extended runtime.Line Diameter :0.065 inches. Cutting Swath 12 inches
EASYFEED allows you to advance your line with the push of a button with no bumping required
Part of the 20V MAX System; 1 System - Endless Tasks. Power for your Style

Worx WG170 GT Revolution 20V 12" Grass Trimmer/Edger/Mini-Mower 2 Batteries & Charger Included, Black and Orange

3-in-1 flexibility from Precision string trimmer...to powerful in-line wheeled edger...to easy-to-navigate Mini mower
A full foot longer than the original WORX gt. Extreme versatility with 7 handle and 6 rotating head positions
Innovative Command feed Spool system for Instant line feeding and less downtime with the with new extra Spool holder on board
Two 20V power share batteries included so you can always be running and charging
Adjustable spacer guard helps protect flowers and ornaments

Sale4.

BLACK+DECKER LST300 Weed Whacker

20-volt Lithium Ion battery pack for 33% more run time
The PowerDrive Transmission delivers more power from the motor to the cutting string so you can get the job done faster
Automatic Feed Spool ensures continuous work without bumping. Line diameter: 0.065 inches
2-in-1 trim or edge - easily converts from trimmer to edger in seconds
Lightweight design with adjustable handle and height positions

Sale5.

Worx WG154 20-volt Li-Ion Cordless Grass Trimmer/Edger Fixed Shaft, 10-Inch, Battery and Charger Included

Convert trimmer easily to an edger and vise-versa in seconds
Convert the cutting path for a wider cut or extended run time
Fixed ergonomic front handle for maximum control. Charging time: ≈ 5 hours
100% automatic single line feed for best cutting performance
Rotating head for easy edger conversion

5 Best 40v Cordless String Trimmer

Sale1.

Greenworks 13-Inch 40V Cordless String trimmer, Battery Not Included 21332

Gas free cordless design eliminates the gas hassle while getting the job done
Lighter, reliable, easy push button start will not wear your arms out. Spool type: single
Pivoting head allows for edging and trimming capability with edging wheel; 40V G-MAX and 40V Lithium-Ion Batteries are not cross compatible.
Compatible GreenWorks Replacement Spool, Model 29252 and 29092
Battery sold separately. Compatible with battery models 29462 and 29472 and charger 29482

Sale2.

BLACK+DECKER LST140C 40V Max Lithium String Trimmer

High-performance 40V max Lithium ion Battery with state of charge indicator that shows remaining power
Power drive high-torque transmission gives you cutting power at the string for clean, fast cuts
Automatic feed Spool - afs which automatically feeds trimmer line as needed with no bumping
Converts from trimmer to edger in seconds
3 Year limited Warranty

BLACK+DECKER LCC340C 40V MAX Lithium String Trimmer/Sweeper Combo Kit

LST140 40V MAX String Trimmer/Edger with POWER DRIVE high-torque transmission for clean, fast cuts
AUTOMATIC FEED SPOOL - AFS automatically feeds trimmer line as needed
LSW40 40V MAX Sweeper a wind speed of up to 130 MPH easily clear debris from hard surfaces
Low noise design for quiet operation.Up to 130MPH
Both units offer a 'state of charge' indicator which shows your battery charge level

Sale4.

Greenworks 12-Inch 40V Cordless String Trimmer, 2.0 AH Battery Included 2101602

Industry's largest 40V battery system powers 25+ tools
2X more power than 20V
12" 065 dual line with auto-feed head to rip through weeds for fast trimming
Variable speed trigger for power on demand

Greenworks 40V Cordless String Trimmer & Blower Combo Pack STBA40B210

Up to 45 minutes of run time with fully charged 2.0Ah Battery, Battery and charger included
The innovative axial fan design delivers 110 mph and 390 CFM to handle tough clearing jobs
Light weight and easy to use
40V 2Ah Li-Ion Battery and charger included, compatible Battery and charger models 29462, 29472 and 29482

5 Best Lightweight Cordless String Trimmer

Sale1.

Worx WG163 GT 3.0 20V Cordless Grass Trimmer/Edger with Command Feed, 12", 2 Batteries and Charger Included

2-in-1 function with dual-position wheels for grass trimming and edging
Converts from a trimmer to an in-line edger in seconds with no tools; No-Load Speed : 7600/min
Two (2) 20V cordless Max lithium power batteries provide continuous power - charge one, use one.
12-inch cutting diameter with Innovative Command Feed spool system for instant line feeding
Cutting line length: 10 feet. Quick-release lever for fast telescopic height adjustments to the 90-degree tilting shaft

Sale2.

BLACK+DECKER LSTE525 20V MAX Lithium Easy Feed String Trimmer/Edger with 2 Batteries

Converts from trimmer to wheeled edger;Amp Hour : (2) 1.5 AH
Power Drive Transmission for increased torque
2-speed control for more power or extended runtime.Line Diameter :0.065 inches. Cutting Swath 12 inches
EASYFEED allows you to advance your line with the push of a button with no bumping required
Part of the 20V MAX System; 1 System - Endless Tasks. Power for your Style

Sale3.

Greenworks 12-Inch 40V Cordless String Trimmer with Extra 3 Pack Spool, 2Ah Battery and Charger Included 2101602

Attachment capable, accepts most gas attachments to provide multiple use
Brushless motor delivers greater torque, quieter operation and higher Battery efficiency
Starts within seconds With gas comparable performance, battery compatible with multiple tools
Battery sold separately. Compatible with battery models 29462 and 29472 and charger 29482
Compatible Greenworks replacement bulk string, Model 25906302. Additional bulk Line included

Sale4.

Greenworks 13-Inch 40V Cordless String trimmer, Battery Not Included 21332

Gas free cordless design eliminates the gas hassle while getting the job done
Lighter, reliable, easy push button start will not wear your arms out. Spool type: single
Pivoting head allows for edging and trimming capability with edging wheel; 40V G-MAX and 40V Lithium-Ion Batteries are not cross compatible.
Compatible GreenWorks Replacement Spool, Model 29252 and 29092
Battery sold separately. Compatible with battery models 29462 and 29472 and charger 29482

Greenworks 12-Inch 24V Cordless String Trimmer, 2.0 AH Battery Included 21342

Pivoting head allows for edging and trimming capability with edging wheel
Electric start eliminates gas hassle, less maintenance and zero fumes;Handle Type: Wrap-Around
12-inch cut path with .065 single line auto feed for easy line advance
Shaft length (inch): 40. Compatible GreenWorks Replacement Spool, Model 29252 and 29092
Battery and charger included. Compatible battery models 29842 and 29852 and charger 29862

5 Best Electric Weed Trimmer for the Money

Sale1.

Worx WG163 GT 3.0 20V Cordless Grass Trimmer/Edger with Command Feed, 12", 2 Batteries and Charger Included

2-in-1 function with dual-position wheels for grass trimming and edging
Converts from a trimmer to an in-line edger in seconds with no tools; No-Load Speed : 7600/min
Two (2) 20V cordless Max lithium power batteries provide continuous power - charge one, use one.
12-inch cutting diameter with Innovative Command Feed spool system for instant line feeding
Cutting line length: 10 feet. Quick-release lever for fast telescopic height adjustments to the 90-degree tilting shaft

Sale2.

BLACK+DECKER LSTE525 20V MAX Lithium Easy Feed String Trimmer/Edger with 2 Batteries

Converts from trimmer to wheeled edger;Amp Hour : (2) 1.5 AH
Power Drive Transmission for increased torque
2-speed control for more power or extended runtime.Line Diameter :0.065 inches. Cutting Swath 12 inches
EASYFEED allows you to advance your line with the push of a button with no bumping required
Part of the 20V MAX System; 1 System - Endless Tasks. Power for your Style

Sale3.

Greenworks 12-Inch 40V Cordless String Trimmer with Extra 3 Pack Spool, 2Ah Battery and Charger Included 2101602

Attachment capable, accepts most gas attachments to provide multiple use
Brushless motor delivers greater torque, quieter operation and higher Battery efficiency
Starts within seconds With gas comparable performance, battery compatible with multiple tools
Battery sold separately. Compatible with battery models 29462 and 29472 and charger 29482
Compatible Greenworks replacement bulk string, Model 25906302. Additional bulk Line included

Sale4.

Greenworks 13-Inch 40V Cordless String trimmer, Battery Not Included 21332

Gas free cordless design eliminates the gas hassle while getting the job done
Lighter, reliable, easy push button start will not wear your arms out. Spool type: single
Pivoting head allows for edging and trimming capability with edging wheel; 40V G-MAX and 40V Lithium-Ion Batteries are not cross compatible.
Compatible GreenWorks Replacement Spool, Model 29252 and 29092
Battery sold separately. Compatible with battery models 29462 and 29472 and charger 29482

Greenworks 12-Inch 24V Cordless String Trimmer, 2.0 AH Battery Included 21342

Pivoting head allows for edging and trimming capability with edging wheel
Electric start eliminates gas hassle, less maintenance and zero fumes;Handle Type: Wrap-Around
12-inch cut path with .065 single line auto feed for easy line advance
Shaft length (inch): 40. Compatible GreenWorks Replacement Spool, Model 29252 and 29092
Battery and charger included. Compatible battery models 29842 and 29852 and charger 29862

Top 10 Cordless Battery String Trimmers for All Budgets and Lawn Sizes

10 Best Cordless Electric String Trimmer (Overall)

10 Best Cordless String Trimmer & Blower Combo

5 Best Cordless String Trimmer with Automatic Feed (Easy Feed)

5 Best 20v Cordless String Trimmer

5 Best 40v Cordless String Trimmer

5 Best Lightweight Cordless String Trimmer

5 Best Electric Weed Trimmer for the Money

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