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

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.

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
2.
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
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.
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
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
Sale6.
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
Sale7.
BLACK+DECKER MTC220 12-Inch 20V MAX Lithium Cordless 3-in-1 Trimmer/Edger and Mower
  • 3 tools in 1, easily converts from mower to trimmer to edger
  • AFS automatic feed system ensures continuous work without bumping and having to stop.Ideal Property Size 750 ft²
  • Power Drive Transmission prevents bogging down. Cutting heights: 1.6 - 2.4 inch
  • Adjustable height deck & trimmer and pivoting handle
  • Includes (2) batteries for extended run time
8.
Worx WG184 40V (2.0Ah) 13" Cordless Grass Trimmer/Edger with in-Line Edging, and Command Feed, 1 hr. Dual Charger, 2 Batteries
  • Dual 20V batteries team up for 40V maximum 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 home site up to a 1/2 Acre.
9.
EGO Power+ 15-Inch 56-Volt Lithium-Ion Cordless Brushless String Trimmer - Battery and Charger NOT Included
  • Dual-feed twist line with 0.095 in. diameter
  • Hi-efficiency brushless motor with variable speed
  • Compatible with all EGO POWER+ Arc Lithium Batteries
  • Weather-resistant construction
  • Extended aluminum shaft with in-line grip
Sale10.
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

 

10 Best Cordless String Trimmer & Blower Combo

1.
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
2.
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
3.
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
4.
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
5.
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
6.
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.
7.
Worx WO7042 GT/HT/Blower
  • Kit includes: 20V grass trimmer/edger, 20V Hedge trimmer, 20V turbine blower, 2 20V batteries, and 1-hr Battery charger. Share Battery across multiple WORX tools within the 20V power share platform
  • Grass trimmer: 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
  • Hedge trimmer: lightweight compact cordless design for true portability with dual-action cutting blades for fast clean cuts with less vibrations
  • Blower: turbine technology generates high-capacity air volume up to 340 CFM
  • Blower: two-speed control tackles any job - from light duty cleaning to full leaf removal
8.
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
9.
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
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)

1.
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
Sale2.
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
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.
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)
5.
CRAFTSMAN CMCST900D1 V20 Cordless WEEDWACKER String Trimmer/Edger - Automatic Line Advance Feed
  • Part of the V20 cordless system
  • Part of the versa-track wall organization system
  • 2 speed settings - letting you choose more power or more runtime
  • Ergonomic telescoping pole - featuring turn to edge capability
  • Automatic Line advance feed - feeds Line automatically, No bumping required, a 13" Cutting swath with single 0.065" Line

 

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
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.
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.
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 40v Cordless String Trimmer

1.
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
2.
Worx WG184 40V (2.0Ah) 13" Cordless Grass Trimmer/Edger with in-Line Edging, and Command Feed, 1 hr. Dual Charger, 2 Batteries
  • Dual 20V batteries team up for 40V maximum 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 home site up to a 1/2 Acre.
3.
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.
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
5.
Greenworks 13-Inch 40V Cordless String Trimmer, 2.0 AH Battery Included 21302
  • 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. No-load speed (RPM): 0 - 9,000
  • Pivoting head allows for edging and trimming capability with edging wheel
  • Compatible GreenWorks Replacement Spool, Model 29252 and 29092
  • Battery and Charger include. Compatible with battery models 29462 and 29472 and charger 29482

 

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
2.
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
3.
Makita XRU02Z 18V LXT Lithium-Ion Cordless String Trimmer, Tool Only
  • Makita-built motor delivers 7,800 RPM for faster cutting speed and performance
  • Ergonomic design is well balanced with less weight (only 6.4 lbs. with battery, sold separately)
  • Compact size is ideal for trimming and precise edging
  • Telescoping shaft allows the user to adjust the length of the tool from 48-1/2" to 56-1/2" for an optimum cutting position
  • Battery and charger sold separately
4.
Worx WG184 40V (2.0Ah) 13" Cordless Grass Trimmer/Edger with in-Line Edging, and Command Feed, 1 hr. Dual Charger, 2 Batteries
  • Dual 20V batteries team up for 40V maximum 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 home site up to a 1/2 Acre.
5.
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 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
2.
Makita XRU02Z 18V LXT Lithium-Ion Cordless String Trimmer, Tool Only
  • Makita-built motor delivers 7,800 RPM for faster cutting speed and performance
  • Ergonomic design is well balanced with less weight (only 6.4 lbs. with battery, sold separately)
  • Compact size is ideal for trimming and precise edging
  • Telescoping shaft allows the user to adjust the length of the tool from 48-1/2" to 56-1/2" for an optimum cutting position
  • Battery and charger sold separately
3.
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
Sale4.
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
5.
Worx WG184 40V (2.0Ah) 13" Cordless Grass Trimmer/Edger with in-Line Edging, and Command Feed, 1 hr. Dual Charger, 2 Batteries
  • Dual 20V batteries team up for 40V maximum 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 home site up to a 1/2 Acre.
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