10 bestBattery String Trimmersof June 2025
112M consumers helped this year.
1
BLACK+DECKER 20V MAX Cordless String Trimmer/Edger Kit, Automatic Feed Spool, 10-Inch (LST201-CA)
BLACK+DECKER
9.8
2
BLACK+DECKER 40V MAX String Trimmer and Edger Kit, Cordless, 13 inch, 2-in-1, Battery and Charger Included (LST140C)
BLACK+DECKER
9.6
17% off
3
BLACK+DECKER 20V MAX 2-in-1 String Trimmer/Edger, 12-in with Automatic Line Feed & Power Drve Transmission (LST300-CA)
BLACK+DECKER
9.3
13% off
4
Greenworks 40V 12-Inch Cordless String Trimmer, Battery and Charger Not Included 2117002CA
Greenworks
9.1
5
Greenworks 40V 13-Inch Cordless String Trimmer, 2.0Ah Battery and Charger Included STF305
Greenworks
8.8
OtherUp to 15% off
Makita DUR193Z 18V LXT Cordless 10-1/4" Line Trimmer with XPT (Tool Only)
WORX WG170.2 20V Power Share GT Revolution 12" Cordless String Trimmer (Battery & Charger Included)
Greenworks 48V (2 x 24V) 15-Inch TORQDRIVE Cordless String Trimmer, (2) 24V 2Ah USB Batteries and 4A Dual Port Charger Included, Green (ST48B2210)
BLACK+DECKER 20V MAX Cordless String Trimmer with Power Drive Transmission, 2-Speed Control, Auto Feed, 12-Inch (LST522-CA)
24% off
6
CRAFTSMAN Weedwacker V20 Cordless String Trimmer with 13-in Cutting Radius, Automatic Line Feed (CMCST900D1-CA)
CRAFTSMAN
8.5
13% off
7
WORKPRO 20V Cordless String Trimmer/Edger, 12-inch, with 2.0 Ah Lithium-Ion Battery, 1 Hour Quick Charger, 16.4ft Trimmer Line Included
WORKPRO
8.2
8
Greenworks PRO 16" 80V Cordless String Trimmer (Attachment Capable), Battery Not Included GST80320
Greenworks
7.9
9
DEWALT Combo Kit DCST925 DCBL722 - String Trimmer and Blower Combo Kit - Yellow, Battery Powered, Utility/Industrial
DEWALT
7.6
10
DW 60V String Trimmer ATTCH Capable Bare
DeWalt
7.4
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A Guide to Selecting the Best Battery String Trimmers
Choosing a battery string trimmer can make yard work much easier and more convenient, especially if you want to avoid the hassle of gas engines or tangled cords. The right trimmer for you depends on the size of your yard, the type of grass and weeds you need to cut, and how comfortable you want the tool to be during use. By understanding the key features and how they relate to your needs, you can find a trimmer that keeps your lawn looking neat without extra effort.
Battery Voltage
Battery voltage tells you how powerful the trimmer is. Higher voltage usually means more cutting power, which is helpful for thicker grass or tougher weeds. Trimmers typically range from about 18V to 80V. Lower voltage models (18V-24V) are lighter and good for small yards with light grass. Mid-range (36V-40V) can handle medium-sized yards and some tougher weeds. High voltage (60V-80V) is best for large areas or very dense growth. Think about the type of work you need to do—if you have a small, tidy lawn, a lower voltage is fine, but for bigger or wilder spaces, go higher.
Battery Capacity (Ah)
Battery capacity, measured in amp-hours (Ah), tells you how long the trimmer can run before needing a recharge. A higher number means longer run time. For quick touch-ups or small yards, a lower capacity (1.5Ah-2.5Ah) is usually enough. For larger yards or longer sessions, look for 4Ah or more. If you don’t want to stop and recharge often, or if you have a lot of trimming to do, a higher capacity battery is a good choice.
Cutting Width
Cutting width is the size of the area the trimmer can cut in one pass, usually measured in inches. A wider cutting width (14-16 inches) lets you finish faster, which is great for big yards. Narrower widths (10-12 inches) are easier to control and better for tight spaces or detailed work. If you have a lot of open space, go wider; if you need to trim around flower beds or fences, a smaller width might be easier to handle.
Weight
The weight of the trimmer affects how comfortable it is to use, especially for longer periods. Lighter trimmers are easier to carry and maneuver, making them a good choice for smaller people or anyone who wants less strain. Heavier models may have more power but can be tiring to use. Think about how long you’ll be using the trimmer and how much weight you’re comfortable holding.
Line Feed System
The line feed system controls how the cutting line is released as it wears down. There are manual, bump feed, and automatic feed systems. Manual systems require you to stop and adjust the line yourself. Bump feed lets you tap the trimmer head on the ground to release more line, which is convenient and quick. Automatic feed systems release line as needed without you doing anything. If you want the least hassle, automatic is best, but bump feed offers a good balance of control and convenience.
Adjustable Shaft and Handle
An adjustable shaft or handle lets you change the length or angle of the trimmer to fit your height and reach. This makes the trimmer more comfortable and helps you get to hard-to-reach spots. If you’re taller or shorter than average, or if more than one person will use the trimmer, look for adjustable features to make the tool fit you better.
Noise Level
Battery string trimmers are generally quieter than gas models, but some are still louder than others. If you live in a quiet neighborhood or want to avoid disturbing others, check the noise level. Quieter models are more pleasant to use, especially for longer sessions or early in the morning.
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