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.
Navigation
- 1 10 Best Cordless Electric String Trimmer (Overall)
- 2 10 Best Cordless String Trimmer & Blower Combo
- 3 5 Best Cordless String Trimmer with Automatic Feed (Easy Feed)
- 4 5 Best 20v Cordless String Trimmer
- 5 5 Best 40v Cordless String Trimmer
- 6 5 Best Lightweight Cordless String Trimmer
- 7 5 Best Electric Weed Trimmer for the Money
10 Best Cordless Electric String Trimmer (Overall)
1 
WORX WG163 GT 30 Trimmer & Edger, 12in
Product Highlights:
- power source type: battery-powered
- instant line feed innovative push button command feed spool system for instant line feeding. plus, free spools for life!
- batteries are included 2 powerful and lightweight 20v power share maxlithium batteries come with this tool, and can be used on any other tool in the worx power share family
2 
DEWALT DCST925M1 String Trimmer Trimmer, Yellow/Black
Product Highlights:
- 13" cutting swath with 0.080" line
- gear drive transmission design that powers through overgrowth
- variable trigger with high/low speed control for added power or extended runtime
3 
WORX WG154 Edger 20V String Trimmer
Product Highlights:
- 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
4 
BLACKDECKER LST300 Weed Whacker Weed Whacker
Product Highlights:
- 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
5 
BLACKDECKER LSTE525 20V MAX Trimmer/Edger With 2 Batteries
Product Highlights:
- converts from trimmer to wheeled edger; amp hour : (2) 1.5 ampere hour
- power drive transmission for increased torque
- 2 speed control for more power or extended runtime.line diameter :0.065 inches.cutting swath 12 inches
6 
BLACKDECKER 40V Max Cordless Trimmer Combo Kit LCC340C
Product Highlights:
- lst140 40 volt 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 40 volt max sweeper a wind speed of up to 130 mph easily clear debris from hard surfaces
7 
Earthwise LST02010 20Volt 10Inch Battery & Fast Charger Included
Product Highlights:
- powerful 20-volt 2. 0ah lithium-ion battery and fast charger included; powerful motor for superior power, run-time and durability
- 10" cutting width with auto-feed; spool and 0. 065" nylon line included; flip-down edge guard for quick and easy edging
- adjustable handle and telescopic pole allows users to adjust the length of the shaft for comfortable trimming
8 
Greenworks 13Inch 40V Cordless Battery Not Included 21332
Product Highlights:
- high performance g-max 40v lithium-ion battery delivers fade-free power with no memory loss after charging
- 13-inch cutting path for quick and easy trimmer with powerful results to cut through the toughest weeds
- versatile design with 3-position pivoting head for easy trimming at multiple angles
9 
Makita XRU11M1 18V LXT String Trimmer Kit 4.0Ah
Product Highlights:
- up to 30 minutes of run time with 4. 0ah battery under load on the high setting
- bl brushless motor delivers up to 6, 000 rpm for faster cutting
- automatic torque drive technology automatically shifts from 4, 000-6, 000 rpm depending on density of application
10 
BLACKDECKER 40V MAX String 13-Inch LST140C
Product Highlights:
- 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
10 Best Cordless String Trimmer & Blower Combo
1
BLACKDECKER 40V Max Cordless Trimmer Combo Kit LCC340C
Product Highlights:
- lst140 40 volt 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 40 volt max sweeper a wind speed of up to 130 mph easily clear debris from hard surfaces
2 
Worx WG930 20V 10 2 Batteries And 1-Hr Charger
Product Highlights:
- 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)
3 
Greenworks 24V Cordless String And Charger Included STBA24B210
Product Highlights:
- 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
4 
Greenworks GMAX 40V Cordless Battery And Charger Included STBA40B210
Product Highlights:
- 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
5 
WORX Cordless String Trimmer Batteries, Grass Weed Edger
Product Highlights:
- includes (2) 20v li-ion batteries for extended run time
- 12" 20v li-ion cordless grass trimmer/edger and turbine cordless blower
- trimmer converts easily to an edger in seconds
6 
Greenworks 24V Cordless String 3-Pack Spool STBA24B210
Product Highlights:
- 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
7 
BLACKDECKER LCC221 20V MAX Plus Sweeper Combo Kit, 10"
Product Highlights:
- 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
8 
BLACKDECKER LCC222 20V MAX Trimmer/Edger, Sweeper Plus, 10"
Product Highlights:
- sweeper is ideal for clearing driveways, sidewalks, decks, garages
- string trimmer features automatic feed spool; no bumping required
- lightweight design, low noise levels
9 
Greenworks 13Inch 40V Cordless Battery Included 21302
Product Highlights:
- 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
10 
Greenworks PRO 80V Cordless And Charger Included STBA80L210
Product Highlights:
- the 80 volts brushless axial blower and 16 inches string trimmer combo pack provides ultimate performance at a great value
- brushless motor provides more torque, quiet operation, and longer life. attachment capable-no
- string trimmer features a 14 / 16-in cutting path, durable .080 inches line, bump feed head, adjustable handle, and variable speed trigger for added control
5 Best Cordless String Trimmer with Automatic Feed (Easy Feed)
1 
TECCPO String Trimmer 20V Trimmer/Edger, Battery And Charger Include - TDLT02G
Product Highlights:
- 【automatic line releasing system】the grass line is automatically extended when it starts, and the blade is set on one side of the machine head. the long line will be automatically cut off, and the stable thread setting system is very comfortable and easy. the grass cutter is small in size, light in weight, practical and easy to operate.
- 【fast and convenient】with 90° adjustable rotary cutting head, it can quickly switch the trimming function. the operating rod can be stretched and can cut the edge of the lawn and the weeds in the narrow space under the table and chair.
- 【security system】the cutting diameter is 300mm, the nylon thread is 5m long, and the 5m coil is included. the head is equipped with a protective grass and a double safety switch to avoid accidental damage.
2 
BLACKDECKER String Trimmer With 6.5-Amp, 14-Inch BESTA510
Product Highlights:
- 6.5a, 14 inches electric string trimmer
- this product is manufactured in china
- this product meets customer requirement
3 
Sun Joe TRJ13STE Trimmer Electric String Trimmer/Edger
Product Highlights:
- powerful 4-amp motor
- 13-inch maximum cutting swath
- ergonomic handle adjusts for comfort
4
BLACKDECKER 40V MAX String 13-Inch LST140C
Product Highlights:
- 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
5
WORX WG154 Edger 20V String Trimmer
Product Highlights:
- 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
5 Best 20v Cordless String Trimmer
1
WORX WG163 GT 30 Trimmer & Edger, 12in
Product Highlights:
- power source type: battery-powered
- instant line feed innovative push button command feed spool system for instant line feeding. plus, free spools for life!
- batteries are included 2 powerful and lightweight 20v power share maxlithium batteries come with this tool, and can be used on any other tool in the worx power share family
2 
WORX WG170 GT Revolution Batteries & Charger Included, Black And Orange
Product Highlights:
- 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
3
WORX WG154 Edger 20V String Trimmer
Product Highlights:
- 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
4 
Worx WG162 20V 12 Battery And Charger Included
Product Highlights:
- adjustable shaft and handle to find the right size for more comfortable yard work
- auto feed spool system for quick line feeding
- cut sloped and hard to reach areas with 90 degree tilting shaft
5
Worx WG930 20V 10 2 Batteries And 1-Hr Charger
Product Highlights:
- 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)
5 Best 40v Cordless String Trimmer
1
BLACKDECKER 40V Max Cordless Trimmer Combo Kit LCC340C
Product Highlights:
- lst140 40 volt 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 40 volt max sweeper a wind speed of up to 130 mph easily clear debris from hard surfaces
2
Greenworks 13Inch 40V Cordless Battery Not Included 21332
Product Highlights:
- high performance g-max 40v lithium-ion battery delivers fade-free power with no memory loss after charging
- 13-inch cutting path for quick and easy trimmer with powerful results to cut through the toughest weeds
- versatile design with 3-position pivoting head for easy trimming at multiple angles
3
Greenworks GMAX 40V Cordless Battery And Charger Included STBA40B210
Product Highlights:
- 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
4 
Greenworks 14Inch 40V Cordless AH Battery Included 2100702
Product Highlights:
- attachment capable, accepts most gas attachments to provide mulitple use
- brushless motor delivers greater torque, quieter operation and higher battery efficiency
- starts within seconds with gas comparable performance, battery compatible with multiple tools
5
BLACKDECKER 40V MAX String 13-Inch LST140C
Product Highlights:
- 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
5 Best Lightweight Cordless String Trimmer
1
WORX WG163 GT 30 Trimmer & Edger, 12in
Product Highlights:
- power source type: battery-powered
- instant line feed innovative push button command feed spool system for instant line feeding. plus, free spools for life!
- batteries are included 2 powerful and lightweight 20v power share maxlithium batteries come with this tool, and can be used on any other tool in the worx power share family
2
Greenworks 13Inch 40V Cordless Battery Not Included 21332
Product Highlights:
- high performance g-max 40v lithium-ion battery delivers fade-free power with no memory loss after charging
- 13-inch cutting path for quick and easy trimmer with powerful results to cut through the toughest weeds
- versatile design with 3-position pivoting head for easy trimming at multiple angles
3
BLACKDECKER 40V Max Cordless Trimmer Combo Kit LCC340C
Product Highlights:
- lst140 40 volt 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 40 volt max sweeper a wind speed of up to 130 mph easily clear debris from hard surfaces
4
WORX WG154 Edger 20V String Trimmer
Product Highlights:
- 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
5
Greenworks GMAX 40V Cordless Battery And Charger Included STBA40B210
Product Highlights:
- 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
5 Best Electric Weed Trimmer for the Money
1
WORX WG163 GT 30 Trimmer & Edger, 12in
Product Highlights:
- power source type: battery-powered
- instant line feed innovative push button command feed spool system for instant line feeding. plus, free spools for life!
- batteries are included 2 powerful and lightweight 20v power share maxlithium batteries come with this tool, and can be used on any other tool in the worx power share family
2
Greenworks 13Inch 40V Cordless Battery Not Included 21332
Product Highlights:
- high performance g-max 40v lithium-ion battery delivers fade-free power with no memory loss after charging
- 13-inch cutting path for quick and easy trimmer with powerful results to cut through the toughest weeds
- versatile design with 3-position pivoting head for easy trimming at multiple angles
3
BLACKDECKER 40V Max Cordless Trimmer Combo Kit LCC340C
Product Highlights:
- lst140 40 volt 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 40 volt max sweeper a wind speed of up to 130 mph easily clear debris from hard surfaces
4
WORX WG154 Edger 20V String Trimmer
Product Highlights:
- 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
5
Greenworks GMAX 40V Cordless Battery And Charger Included STBA40B210
Product Highlights:
- 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
Patrick Cooper
Patrick has over a decade’s experience writing about consumer electronics on the web. An avid traveller, he is the father of two adopted pitbulls and a greyhound. Cheif editor at WhatRocksAndWhatSucks.com, right now Patrick lives in Austin, TX. Reach him at patrick@wraws.com.