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10 Best Cordless Line Trimmer 2025 in the United States

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Our Top Picks

#1

Winner

Greenworks 40V 12" Cordless String Trimmer, 2.0Ah Battery and Charger Included

Rating
10.0
Chosen by1,334
Battery Voltage
Battery Capacity (Ah)
Weight

Most important from
6097 reviews

Battery Voltage
Delivers impressive power to cut through tall, thick weeds and heavy grass, matching gas trimmers in performance for typical homeowner tasks.
Battery Capacity (Ah)
The battery charges quickly, often faster than the advertised one hour, providing solid runtime for about a quarter-acre of heavy trimming.
Weight
Lightweight battery combined with a slightly weighty cutting end balances ease of use with effective cutting power, reducing arm fatigue.
Line Feed System
Auto-feed line system works reliably when used as instructed, with occasional simple manual adjustments that are quick and easy to perform.

The Greenworks 40V 12" Cordless String Trimmer is a solid choice for homeowners needing a reliable tool for light to moderate yard trimming tasks. Its 40V battery provides enough power to handle tough grass and weeds, while the included 2.0Ah battery offers about an hour of use per charge, which is suitable for smaller lawns. The 12-inch cutting width is fairly standard, making it easy to maneuver around flower beds and shrubs, although it may take longer to cover larger areas compared to wider models.

Weighing 12 pounds, this trimmer is on the lighter side, helping reduce arm fatigue during extended use. It features an auto-feed line system that eliminates the need for manual adjustments, and the variable speed trigger allows good control over cutting power depending on the job. The battery charges quickly in about 60 minutes, and while the 2.0Ah capacity is adequate for typical tasks, longer or more demanding jobs might benefit from an additional battery. Its maintenance-free design with no gas or oil makes it easy to use and environmentally friendly.

This trimmer is well-suited for those seeking a lightweight, easy-to-use, and quiet cordless option for regular yard upkeep rather than intensive, professional-level trimming.

Rating
10.0
Chosen by1,334
Battery Voltage
Battery Capacity (Ah)
Weight

Most important from
6097 reviews

Battery Voltage
Delivers impressive power to cut through tall, thick weeds and heavy grass, matching gas trimmers in performance for typical homeowner tasks.
Battery Capacity (Ah)
The battery charges quickly, often faster than the advertised one hour, providing solid runtime for about a quarter-acre of heavy trimming.
Weight
Lightweight battery combined with a slightly weighty cutting end balances ease of use with effective cutting power, reducing arm fatigue.
Line Feed System
Auto-feed line system works reliably when used as instructed, with occasional simple manual adjustments that are quick and easy to perform.
#2

EGO POWER+ String Trimmer, Battery Powered, 16" Trimmer for Weeds and Grass with POWERLOAD, LINE IQ, Telescopic Carbon Fiber Shaft, Includes 56V 4.0Ah Battery and Charger - ST1623T

Rating
10.0
Battery Voltage
Battery Capacity (Ah)
Weight

Most important from
2202 reviews

Battery Voltage
The 56V batteries are easy to grip, handle, and swap out, making the trimmer user-friendly.
Battery Capacity (Ah)
The high-capacity battery and automatic line feed feature allow for long periods of uninterrupted work.
Weight
Handles very well with noticeable lightness and significantly quieter operation compared to gas-powered trimmers.
Adjustable Shaft
The telescopic carbon fiber shaft and adjustable handle provide excellent comfort for users of different heights.
Line Feed System
The EGO string loading process is incredibly simple and efficient, making it a standout feature.

The EGO POWER+ String Trimmer (ST1623T) is a well-rounded choice for those looking for a battery-powered trimmer for their lawn care needs. It comes equipped with a robust 56V 4.0Ah battery and charger, ensuring ample power and runtime for most trimming tasks. The 16-inch cutting width makes it efficient in covering larger areas quickly, which is a notable advantage for users with bigger lawns or extensive trimming work. Weighing 7.5 pounds, it strikes a decent balance between portability and sturdiness.

The telescopic carbon fiber shaft is a standout feature, allowing for easy height adjustments to suit user comfort, which enhances usability for people of various heights. Additionally, the high-efficiency brushless motor promises durability and less maintenance over time. The dual line spiral-twist and digital 2-speed selector provide flexibility in handling different types of vegetation with precision. Its weather-resistant construction adds to its reliability, making it a suitable choice for various outdoor conditions. On the downside, the trimmer does require assembly, which might be a minor inconvenience for some users.

The inclusion of the POWERLOAD and LINE IQ systems simplifies line feeding and ensures continuous operation without manual intervention. With its strong performance and user-friendly features, the EGO POWER+ String Trimmer is a compelling option for both casual and more demanding lawn care enthusiasts.

Rating
10.0
Battery Voltage
Battery Capacity (Ah)
Weight

Most important from
2202 reviews

Battery Voltage
The 56V batteries are easy to grip, handle, and swap out, making the trimmer user-friendly.
Battery Capacity (Ah)
The high-capacity battery and automatic line feed feature allow for long periods of uninterrupted work.
Weight
Handles very well with noticeable lightness and significantly quieter operation compared to gas-powered trimmers.
Adjustable Shaft
The telescopic carbon fiber shaft and adjustable handle provide excellent comfort for users of different heights.
Line Feed System
The EGO string loading process is incredibly simple and efficient, making it a standout feature.
#3

DEWALT 20V MAX* XR String Trimmer, 14-Inch, Tool Only (DCST922B)

Rating
9.4
Battery Capacity (Ah)
Cutting Width
Weight

Most important from
4501 reviews

Battery Capacity (Ah)
Runs through smaller batteries quickly, but works great with 5AH Powerstack batteries.
Cutting Width
Powerful enough to do tough areas and beats gas trimmers for general yard work.
Weight
Well balanced and lightweight, reducing fatigue during extended use.
Line Feed System
The QuickLoad Spool feature simplifies the task of winding new line.

The DEWALT 20V MAX* XR String Trimmer (DCST922B) offers a range of features suited for users looking for a reliable and portable cordless line trimmer. With a 14-inch cutting width, it covers a wide area, making it efficient for medium to large yards. The folding hinge is a standout feature, allowing for easy storage and transportation, which is ideal if you have limited space or need to move the trimmer frequently.

Weighing 9.2 pounds, it is relatively lightweight, reducing fatigue during extended use. The QuickLoad Spool feature simplifies the task of winding new line, which can save time and effort. Additionally, the variable-speed trigger and Hi/Lo speed control switch give you the flexibility to balance power and runtime according to your needs.

It is important to note that this model is 'tool only,' meaning the battery and charger are not included. This could be a drawback if you don't already own compatible DEWALT batteries. Also, while the trimmer is durable and can handle thick brush, 20V might not be sufficient for extremely tough and dense vegetation compared to higher voltage models. The DEWALT 20V MAX XR String Trimmer is best suited for homeowners seeking a balance of portability, ease of use, and effective performance in typical yard maintenance tasks.

Rating
9.4
Battery Capacity (Ah)
Cutting Width
Weight

Most important from
4501 reviews

Battery Capacity (Ah)
Runs through smaller batteries quickly, but works great with 5AH Powerstack batteries.
Cutting Width
Powerful enough to do tough areas and beats gas trimmers for general yard work.
Weight
Well balanced and lightweight, reducing fatigue during extended use.
Line Feed System
The QuickLoad Spool feature simplifies the task of winding new line.

Buying Guide for the Best Cordless Line Trimmer

Choosing the right cordless line trimmer can make your yard work much easier and more efficient. Cordless line trimmers offer the convenience of mobility without the hassle of cords, making them ideal for trimming grass and weeds in various areas of your garden. When selecting a cordless line trimmer, it's important to consider several key specifications to ensure you get the best fit for your needs. Here are the main specs to look at and how to navigate them.
Battery VoltageBattery voltage determines the power of the trimmer. Higher voltage batteries (e.g., 40V or 60V) provide more power and are suitable for tougher jobs and larger areas. Lower voltage batteries (e.g., 18V or 20V) are lighter and more suitable for smaller gardens and lighter tasks. Consider the size of your yard and the type of vegetation you need to trim when choosing the battery voltage.
Battery Capacity (Ah)Battery capacity, measured in ampere-hours (Ah), indicates how long the trimmer can run on a single charge. Higher capacity batteries (e.g., 4Ah or 5Ah) will last longer, allowing you to complete more work without needing to recharge. If you have a larger yard or expect to use the trimmer for extended periods, opt for a higher capacity battery. For smaller yards or occasional use, a lower capacity battery (e.g., 2Ah) may suffice.
Cutting WidthCutting width refers to the diameter of the area the trimmer can cut in one pass. Wider cutting widths (e.g., 14 inches or more) allow you to cover more ground quickly, making them ideal for larger areas. Narrower cutting widths (e.g., 10 inches) provide more precision and are better suited for detailed work in smaller spaces. Choose a cutting width based on the size and layout of your garden.
WeightThe weight of the trimmer affects how easy it is to handle and maneuver. Lighter trimmers are easier to use for extended periods and are less tiring, making them suitable for smaller gardens or users who may have difficulty with heavier equipment. Heavier trimmers often have more power and durability, which can be beneficial for larger areas or tougher tasks. Consider your physical strength and the duration of use when selecting the weight.
Adjustable ShaftAn adjustable shaft allows you to change the length of the trimmer to suit your height and reach. This feature can improve comfort and reduce strain during use. If you are taller or shorter than average, or if you need to reach difficult areas, an adjustable shaft can be very beneficial. Look for trimmers with this feature to ensure a comfortable and ergonomic experience.
Line Feed SystemThe line feed system determines how the trimmer's cutting line is advanced. Automatic feed systems advance the line without user intervention, making them convenient and easy to use. Bump feed systems require you to tap the trimmer head on the ground to advance the line, offering more control. Manual feed systems require you to pull the line out by hand. Consider your preference for convenience versus control when choosing the line feed system.

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