10 Best 40 Volt String Trimmer We've Tested: Base on 23,632 Reviews

Power source type: Battery-Powered

12 in. cut path with 0.065 dual line auto feed head

Variable speed trigger for power when you need it

Ergonomically designed for superior balance

Adjustable auxiliary handle for added user comfort

Compatible with Greenworks G-MAX 40V Li-Ion system for higher efficiency and longer run time with an assortment of tools to complete your yard work

Includes one 2Ah battery and charger

4-year tool warranty and 2-year battery warranty protects your investment

[2x20V=40V] Powered by two 20V MaxLithium PowerShare batteries for 40V of total power and performance

[2-IN-1] Easily converts from a trimmer into an in-line wheeled edger

[SAME BATTERY, EXPANDABLE POWER] Worx Power Share is compatible with all Worx 20v and 40v tools, outdoor power and lifestyle products

[COMMAND FEED] Innovative Command Feed spool system offers instant line feeding at the touch of a button

[VARIABLE SPEED THROTTLE] Increase the speed when you run into tougher grass, then dial it back down to increase runtime

[PRO-GRADE] Professional-grade trimmer line for sharp edges and professionally landscaped results

[D-GRIP HANDLE] Grab it from any angle and make smooth, long swipes. It’s adjustable, so you can find a working position that’s comfortable for you

[PIVOTING HEAD] So you can trim and edge on sloped or uneven terrain

[INCLUDES] 2x20V Trimmer & Edger, (2) 20V MaxLithium Batteries, 20V Charger, Spool, Safety Guard

Attachment capable: accepts RYOBI expand-it attachments and other universal gas attachments to save time, money and space

40-Volt lithium-ion high capacity battery and 90-minutes charger included

13 in. to 15 in. adjustable cutting width for longer run time or wider cutting path

Reel-easy bump-feed string head for fast and easy reloading

Variable speed trigger for cutting control

CORDLESS STRING TRIMMER KIT - Includes one 2. 5Ah Battery and one Auto PWR JUMP Charger to keep you powered up.

POWERFUL PERFORMANCE - The digital brushless motor provides efficient, high-performance power for longer tool life without the hassle of gas.

LONGER RUN TIME & BATTERY LIFE - Industry leading PWR CORE 40 lithium battery technology wraps each cell with cooling material to keep it powering on for 25% longer run time and 2X battery life.

EASY TO LOAD - The Twist Load Head allows you to simply insert the line and twist to get started.

DUAL LINE BUMP FEED - A fast and hassle-free way to release the line, simply tap the head on a flat surface.

Power Source Type: Battery Powered

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

Battery and Charger include. Compatible with battery models 29462 and 29472 and charger 29482

Compatible GreenWorks Replacement bulk string, Model 2906302

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

Up to 30 minutes of runtime on a fully charged battery

13 inch cutting path with 0.065 inch single line auto feed head for quick and easy line advancement

Ideal for yards up to 1/3 Acre

Battery completely charges in 60 minutes

4-position pivoting head for easy trimming and edging at multiple angles

Easy edging wheel for quick and easy trimming

3-Year Warranty

Includes 12 inch String Trimmer, Auxiliary Handle, Guard, Edge Guide, Spool, Spool Cover, 2.0 Ah Battery, Battery Charger, Operator's Manual

Kobalt 13-in cordless electric string trimmer and edger cuts down weeds, grass and overgrowth in lawns up to 1/2-acre

40-volt max Li-ion battery system offers great performance and runtime and can be used with other Kobalt 40-volt Max lawn care tools (battery and charger sold separately)

Power through the toughest grass and weeds with heavy duty .080-in dual line delivered by a bump feed head

Variable speed trigger with high and low speed setting to provide precise control

PORTABLE STRING TRIMMER: Lightweight 40-volt cordless string trimmer featuring a streamlined design for incredible maneuverability and less user fatigue

EFFICIENT MACHINE: Dual-exit cutting head for increased grass trimming efficiency, trimming down the time you spend on yardwork

SIMPLE LINE ADVANCEMENT: Automatic-feed spool system for effortless, no-hassle line advancement

COMFORTABLE AND ACCOMMODATING: Adjustable auxiliary handle for a comfortable and customized yardwork experience

INCLUDES: Includes a 20V dual battery charger, 2 20v 2.0 Ah power share batteries, and one trimmer spool

Powerful 40 Volts Gear Reduced Motor with 15-Inch Cutting Swath Easily Cuts Through Thick Grass and Weeds

Dual .080-Inch Line / Bump Feed Head For Quick and Easy Line Advancement

Adjustable Handle and Cushioned Overmold Grip For Superior Comfort and Control

String trimmer is compatible with Powerworks XB (40V / 20V) batteries. Powerworks 20V batteries are not compatible with this string trimmer.