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

By Patrick Cooper

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)

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

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.

BLACK+DECKER LSTE523 Li-On String Trimmer

Converts from trimmer to wheeled edger
Power Drive Transmission for increased torque
2-speed control for more power or extended runtime. Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18
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

DEWALT DCST920P1 Brushless Trimmer

Brushless Motor maximizing motor efficiency and durability
Dual 0.080" line with bump feed, with 13-inch cutting swath
Variable trigger with speed control
Patented gear drive design. Rpm: 0-4,600 / 0-6,000 rpm
Includes 20V MAX 5.0Ah Lithium Ion Battery, along with charger

Sale5.

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

Sale6.

DEWALT DCST970X1 FLEXVOLT 60V MAX Lithium-Ion Brushless 15" String Trimmer, Two Speed (3.0AH)

MORE POWER: Gear drive design powers through tough overgrowth
INCREASED RUNTIME: High-efficiency brushless motor maximizes run time and motor life
CUTTING SWATH: 15" cutting swath with 0.080" line (also accepts 0.095")
SPEED CONTROL: Features a variable speed trigger with Hi/Lo speed control
EASY TO MANEUVER: Lightweight and ergonomic design makes the cordless string trimmer extremely easy to handle & minimizes stress on your arm

Sale7.

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

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

10.

Milwaukee Electric Tools 2725-21HD String Trimmer Kit

Product is manufacture in China
3 yr. warranty on material and workmanship
This product meets customer requirement

10 Best Cordless String Trimmer & Blower Combo

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

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 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

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

Sale5.

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.

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

Worx WG921 20V Max String Trimmer/Edger and Blower Combo Kit

Both Tools Offer a Compact Lightweight Design for Easy Handling
Trimmer Features a Telescopic Shaft Allowing users Control Over the Tools Height
Blower Delivers a High Capacity Air Volume of 340 CFM
Kit Includes: (1) Worx WG163 20V String Trimmer/Egder, (1) Worx WG546 20V Turbine 2-Speed Blower, (1) Worx WA3742 20V Battery Charger and (2) Worx WA3575 20V 2.0Ah Batteries

Sale8.

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

Sale9.

DEWALT DCST990H1 40V MAX 6.0 Ah Lithium Ion XR String Trimmer

Includes 40V MAX 6.0Ah Lithium Ion battery, along with charger
Patented gear drive design housed in a metal gear case for durability
Full variable trigger allows you to have control over the speed and noise
Bump feed 0.080" dual line
15" cutting swath

10.

BLACK+DECKER LHT2220 22-Inch Hedge Trimmer LST300 12-Inch String Trimmer Edger 20-Volt Max Lithium-Ion Cordless Trimmer Combo Kit. Combo Model LCC301

Hedge Trimmer - 22-inch dual-action blades cut branches with 40 percent less vibration
Hedge Trimmer - Quickly cuts branches up to 3/4-inch thick
Edger Trimmer - Automatic Feed Spool - no need to stop and bump
Edger Trimmer - Patented Power Drive Transmission
Edger Trimmer - Pivoting handle and adjustable length

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.

Makita B-60109 Commercial Grade Automatic Feed String Trimmer Head

Universal LH arbor can be adapted for use with 8 mm and 10 mm arbor string trimmers
Accepts up to 17' of .080", 12' of .095", 10' of .105" and 9' of .110" trimmer line
Trimmer head comes equipped with .095" standard round trimmer line
Trimmer head feeds line automatically and can be simultaneously bumped to quickly extend line
Dual track spool

Sale3.

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

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

BLACK+DECKER LST420 20V MAX Lithium High Performance Trimmer and Edger, 12"

The PowerDrive Transmission delivers more power from the motor to the cutting string so you can get the job done faster
Runtime Extension Technology with dual mode accelerator switch for high performance or longer run time
The Automatic Feed Spool ensures continuous work without bumping
Includes (2) 2.0-Amp-hour lithium battery packs- each battery pack delivers 33% more capacity than the LBXR20 battery pack
Part of the 20V MAX System - A System that Demands Attention. 1 Battery fits multiple tools

5 Best 20v Cordless String Trimmer

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

DEWALT DCST920P1 Brushless Trimmer

Brushless Motor maximizing motor efficiency and durability
Dual 0.080" line with bump feed, with 13-inch cutting swath
Variable trigger with speed control
Patented gear drive design. Rpm: 0-4,600 / 0-6,000 rpm
Includes 20V MAX 5.0Ah Lithium Ion Battery, along with charger

Sale4.

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

Sale5.

BLACK+DECKER LSTE523 Li-On String Trimmer

Converts from trimmer to wheeled edger
Power Drive Transmission for increased torque
2-speed control for more power or extended runtime. Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18
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

5 Best 40v Cordless String Trimmer

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

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

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

Husqvarna 115iL, 14 in. 40-Volt Cordless Straight Shaft String Trimmer (Battery included)

Save mode allows you to maximize your run time by allowing the motor to work more efficiently
Brushless electric motor has an innovative design to deliver high efficiency and maximizes run time while extending life of the tool
The telescopic shaft makes it easy to adjust the products length to find a comfortable working position and provides for easy storage/transport
Sound pressure level at operators ear: 77 decibels(A) .Ideal for cutting lawn edges or smaller areas of tougher / higher grass and comes with a 2-year Warranty
The generous 14-in. Cutting Swath makes it easy to accomplish a lot of work in a short amount of time

5 Best Lightweight Cordless String Trimmer

Sale1.

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

Worx WG184 40V (2.0Ah) 13" Cordless Grass Trimmer/Edger with in-Line Edging, and Command Feed, 1 hr. Dual Charger, 2 Batteries

Two 20V power modules provide 40V total power
Change from a trimming to inline wheeled edging in no time
2-in-1 design offers professional results
Command feed Spool system feeds you a line instantly
Manage any homesite up to a 1/2 Acre.

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

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

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 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

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 WG184 40V (2.0Ah) 13" Cordless Grass Trimmer/Edger with in-Line Edging, and Command Feed, 1 hr. Dual Charger, 2 Batteries

Two 20V power modules provide 40V total power
Change from a trimming to inline wheeled edging in no time
2-in-1 design offers professional results
Command feed Spool system feeds you a line instantly
Manage any homesite up to a 1/2 Acre.

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

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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