Best String Trimmers Under $50 (2026)
We ranked models under $50 by a value score combining battery specs, included accessories, cutting width, versatility (edger mode), and user-oriented features
The Verdict
- Best Overall: 21V cordless string trimmer with 8-inch guard and 2x2.0Ah batteries — Best for runtime flexibility: dual 2.0Ah batteries and a compact 8-inch guard for extended cordless trimming sessions
Top Picks
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1
Best Overall 21V cordless string trimmer with 8-inch guard and 2x2.0Ah batteries
Best for runtime flexibility: dual 2.0Ah batteries and a compact 8-inch guard for extended cordless trimming sessions
Cordless string trimmer converts to wheel edger for 2-in-1 use. Includes 2x2.0Ah batteries and a fast charger. Lightweight design supports up to 60 minutes of runtime per charge
- 2-in-1 design for trimming and edging
- dual 2.0Ah batteries included
- compact, lightweight for easy handling
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2
Litheli 12.1 in Cordless String Trimmer/Edger, 20V with 2Ah Battery
Best for wider coverage: 12.1-inch cutting width with a 20V battery for faster passes along lawns and borders
Cordless string trimmer with 12.1" cutting path and 4-angle head for trimming and edging. Lightweight design at 4.5 lbs with adjustable height and easy switch between modes; supports up to 6550 RPM. Customer note: lightweight and easy to assemble
- lightweight and easy to control
- two-in-one trimmer/edger
- wide 12.1" cutting path
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3
Weed Wacker Electric Cordless Grass Trimmer with 3 Blades
Best budget multitool: three-blade head offers aggressive cutting and quick trim-and-edge capability in a compact unit
Cordless grass trimmer with 850W motor, 18000 rpm peak for quick yard work. Includes 2x 24V 4Ah batteries and 3 types of blades for versatile cutting. Customers note lightweight design and ease of use, with mixed feedback on battery life and build quality
- cordless with multiple blades
- lightweight for easy handling
- two batteries for longer sessions
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4
21V cordless string trimmer with 2x3.0Ah battery and charger
Best for midrange runtime: includes two 3.0Ah batteries and charger to reduce interruptions on larger yards
Cordless string trimmer with dual 3000mAh batteries and fast charger for up to 60 minutes of runtime. Includes guard to protect flowers and 8-line head for lawn edging and trimming. Customer insight notes lightweight design and easy assembly
- dual-battery runtime ~60 minutes
- includes fast charger
- flower protector guard
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5
SENIX X2 20V Cordless Grass Trimmer & Edger, 10" cutting width (GTX2-L)
Best compact option: 10-inch cutting width and 20V power balance good control with practical trimming reach
Cordless 20V max trimmer with 10" cutting width and 0.065" line for balanced trimming. Detachable split shaft with 180-degree edging angle and adjustable auxiliary handle for comfort
- 20V max motor for cord-free operation
- 0.065" trimmer line for balance
- 180-degree edge/trim versatility
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6
Cordless weed wacker 12 inch with 20V battery
Best simple cordless trimmer: 12-inch head with 20V battery suited for routine lawn maintenance and edging tasks
Cordless string trimmer converts to a wheeled edger for versatile yard work. 12-inch swath supports wide cutting area and easy trimming. Customer notes emphasize power, lightweight feel, and easy assembly
- 2-in-1 functionality
- automatic feed spool
- 12-inch swath
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7
Electric Weed Wacker with 2 x 24V batteries and 3 blades
Best high-voltage combo: twin 24V batteries with three blades deliver strong cutting power and longer run time
Cordless electric weed wacker with dual lithium-ion batteries and three blade types for versatile lawn trimming. Provides consistent performance from first cut to last with quick charging and long hold capacity. Customer insight mentions mixed significance of features
- dual 24V batteries
- 3-in-1 trimmer functionality
- three blade types included
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8
Electric weed wacker with 2x 24V batteries and 3 blades
Best high-voltage twin kit: dual 24V batteries and three-blade head provide sturdy cordless performance for thicker grass
Electric weed wacker with two lithium-ion batteries and three blade types. 3-in-1 tool suitable for lawn, yard, and garden tasks. Customer notes high performance and quick charge
- cordless with dual batteries
- three blade options
- 3-in-1 trimming functionality
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9
Cordless string trimmer for DeWalt 20V, 3-in-1 edger mower
Best for DeWalt compatibility: designed for DeWalt 20V batteries with a 3-in-1 edger/mower function for versatile yard work
Cordless 3-in-1 string trimmer with adjustable head and handle, brushless motor for efficiency. Supports conversion to mower or edger for slopes and hard-to-reach spots. Customer notes good quality and battery compatibility, with mixed assembly guidance
- 3-in-1 functionality
- brushless motor
- tilt adjustments for uneven terrain
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10
Knutat 24V Cordless Weed Wacker with 2 Batteries and 3 Blades
Best dual-battery starter kit: two batteries and three blades give balanced runtime and cutting ability for small to medium yards
Cordless weed wacker with adjustable telescopic pole and rotating head for flexible trimming. Includes 2 batteries and 3 types of blades for varied yard tasks. Customer note highlights handling in small areas
- two batteries included
- three blade types
- telescopic adjustable pole