You’re tired of dealing with tangled cords and heavy gas-powered equipment cluttering your garage. Battery-powered string trimmers promise freedom and efficiency, but you’re wondering which model actually delivers on that promise. We’ve tested the top contenders to help you uncover which trimmer will transform your lawn maintenance routine.
| WORX 20V Cordless String Trimmer & Leaf Blower Combo |  | Best Combo Bundle | Cutting Width: 12 inches | Battery Voltage: 20V | Trimmer/Edger Conversion: Yes (converts to edger) | VIEW LATEST PRICE | Read Our Analysis |
| BLACK+DECKER 40V MAX String Trimmer Edger (LST136) |  | Most Powerful | Cutting Width: 13 inches | Battery Voltage: 40V | Trimmer/Edger Conversion: Yes (converts to edger) | VIEW LATEST PRICE | Read Our Analysis |
| WORX Cordless String Trimmer & Lawn Edger (WG163) |  | Best Budget Option | Cutting Width: 12 inches | Battery Voltage: 20V | Trimmer/Edger Conversion: Yes (2-in-1 with pivoting head) | VIEW LATEST PRICE | Read Our Analysis |
| Greenworks 40V Cordless Yard Tool Combo Kit | Best Ecosystem | Cutting Width: 12 inches | Battery Voltage: 40V | Trimmer/Edger Conversion: Yes (trimmer and blower duo) | VIEW LATEST PRICE | Read Our Analysis | |
| VARSK 20V Cordless Weed Wacker String Trimmer Edger |  | Best Value Pick | Cutting Width: 12 inches | Battery Voltage: 20V | Trimmer/Edger Conversion: Yes (2-in-1 with pivoting head) | VIEW LATEST PRICE | Read Our Analysis |
| EGO POWER+ String Trimmer 16″ (ST1610T) |  | Professional Grade | Cutting Width: 16 inches | Battery Voltage: 56V | Trimmer/Edger Conversion: No (trimmer only) | VIEW LATEST PRICE | Read Our Analysis |
| BLACK+DECKER 40V MAX String Trimmer and Lawn Edger |  | Best Bare Tool | Cutting Width: 13 inches | Battery Voltage: 40V | Trimmer/Edger Conversion: Yes (converts to edger) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
WORX 20V Cordless String Trimmer & Leaf Blower Combo
Are you looking for versatility without breaking the bank? The WORX 20V Cordless String Trimmer & Leaf Blower Combo delivers two powerful tools in one affordable package. You’ll get a 12-inch cutting-width trimmer that converts to an edger, plus a 360 CFM leaf blower reaching 75 MPH. Both tools are impressively lightweight—the trimmer weighs just 5.3 lbs and the blower 4.4 lbs—making extended yard work comfortable. The push-button line feed system keeps fresh string readily available. You’ll receive two lithium-ion batteries and a charger included. With a 4.3-star rating from over 4,000 customers, this combo proves you don’t sacrifice quality for value.
- Cutting Width:12 inches
- Battery Voltage:20V
- Trimmer/Edger Conversion:Yes (converts to edger)
- Weight:5.3 lbs (trimmer)
- Automatic Line Feed:Yes (push-button command feed)
- Included Batteries:2 lithium-ion batteries included
- Additional Feature:Includes leaf blower combo
- Additional Feature:360 CFM turbine technology
- Additional Feature:Push-button line feed system
BLACK+DECKER 40V MAX String Trimmer Edger (LST136)
If you’re looking for versatility without breaking the bank, the LST136 delivers both in one compact package. This 40V MAX trimmer converts seamlessly from string trimmer to edger, so you’ll handle any lawn task with a single tool. The 13-inch cutting width covers ground quickly, while the automatic feed spool keeps you working without interruption. You’ll appreciate the PowerCommand dial, which lets you adjust power and runtime based on your needs. At just 7.8 pounds with a soft-grip handle, it’s comfortable for extended use. The included 2.0AH battery charges in two hours, and the three-year warranty provides solid peace of mind.
- Cutting Width:13 inches
- Battery Voltage:40V
- Trimmer/Edger Conversion:Yes (converts to edger)
- Weight:7.8 lbs
- Automatic Line Feed:Yes (automatic feed spool)
- Included Batteries:1 lithium-ion battery included
- Additional Feature:PowerCommand dial selection
- Additional Feature:PowerDrive transmission boost
- Additional Feature:Fast 2-hour charging
WORX Cordless String Trimmer & Lawn Edger (WG163)
The WORX Cordless String Trimmer & Lawn Edger (WG163) is your best bet if you’re looking for versatility without breaking the bank. This 2-in-1 machine handles both trimming and edging with its innovative 90° pivoting head, switching between tasks effortlessly. You’ll appreciate the 12-inch cutting diameter and instant line feed system that keeps you working without interruption. The included dual 20V Power Share maxLithium batteries provide reliable runtime, and you’ll never pay for replacement spools thanks to WORX’s lifetime free spool program. At just 5.5 pounds, it’s lightweight enough for extended use. With rubberized wheels and an adjustable spacer guard, you’ll maintain precision around garden beds and walkways.
- Cutting Width:12 inches
- Battery Voltage:20V
- Trimmer/Edger Conversion:Yes (2-in-1 with pivoting head)
- Weight:5.5 lbs
- Automatic Line Feed:Yes (instant push-button line feed)
- Included Batteries:2 lithium-ion batteries included
- Additional Feature:90° pivoting head
- Additional Feature:Free spools for life
- Additional Feature:Rubberized wheels included
Greenworks 40V Cordless Yard Tool Combo Kit
For homeowners seeking a complete yard maintenance solution without the noise and maintenance hassles of gas equipment, Greenworks’ 40V Cordless Yard Tool Combo Kit delivers impressive performance in a lightweight package. You’ll get a 12-inch commercial-grade trimmer with auto-feed capability and a powerful 110MPH blower, both powered by a single 2.0Ah battery that charges in 60 minutes. At just 7.8 pounds, it’s 30% lighter than comparable gas models, reducing fatigue during extended use. The whisper-quiet 67dB operation won’t disturb neighbors, while the universal 40V ecosystem means you can expand to 8+ additional tools. You’ll save over $500 in lifetime fuel and maintenance costs while achieving magazine-worthy results.
- Cutting Width:12 inches
- Battery Voltage:40V
- Trimmer/Edger Conversion:Yes (trimmer and blower duo)
- Weight:7.8 lbs
- Automatic Line Feed:Yes (0.065 auto-feed blade)
- Included Batteries:1 lithium-ion battery included
- Additional Feature:110 MPH blower included
- Additional Feature:67dB whisper-quiet startup
- Additional Feature:Universal 40V ecosystem
VARSK 20V Cordless Weed Wacker String Trimmer Edger
Want a versatile trimmer that handles both edging and cutting? The VARSK 20V delivers exactly that. This 2-in-1 powerhouse features a 12-inch cutting width and an 8700RPM motor that tackles thick weeds effortlessly. You’ll appreciate the lightweight 5.3-pound design and adjustable handle that accommodates different heights and preferences. The 180° handle and 80° pivoting head give you complete control over your lawn care approach. With two 2.0Ah batteries included, you’re getting 30+ minutes of runtime per charge. Six replacement spools keep you trimming all season long. At #1 in Power Edgers with 4.5 stars from 191 reviews, it’s a dependable choice backed by a one-year warranty.
- Cutting Width:12 inches
- Battery Voltage:20V
- Trimmer/Edger Conversion:Yes (2-in-1 with pivoting head)
- Weight:5.3 lbs
- Automatic Line Feed:Yes (automatic line feed technology)
- Included Batteries:2 lithium-ion batteries included
- Additional Feature:180° adjustable handle
- Additional Feature:80° pivoting cutting head
- Additional Feature:Six replacement spools included
EGO POWER+ String Trimmer 16″ (ST1610T)
If you’re seeking a lightweight trimmer that doesn’t sacrifice power or durability, EGO POWER+’s 16″ model delivers impressive performance in a compact package. The telescopic carbon fiber shaft adjusts to your height, ensuring comfortable operation, while the brushless motor generates consistent cutting power with minimal vibration. You’ll get up to 45 minutes of runtime per charge with the recommended 56V 2.5Ah battery. The patented POWERLOAD technology makes line replacement quick and hassle-free. IPX4 weather resistance keeps you trimming in various conditions, and the professional-grade 0.095-inch dual-line spiral-twist delivers reliable cutting. EGO backs this trimmer with a five-year limited warranty, plus Amazon’s 30-day return guarantee gives you peace of mind.
- Cutting Width:16 inches
- Battery Voltage:56V
- Trimmer/Edger Conversion:No (trimmer only)
- Weight:Not specified
- Automatic Line Feed:Yes (bump-feed line advance)
- Included Batteries:Battery sold separately
- Additional Feature:Telescopic carbon fiber shaft
- Additional Feature:Patented POWERLOAD technology
- Additional Feature:IPX4 weather-resistant construction
BLACK+DECKER 40V MAX String Trimmer and Lawn Edger
The BLACK+DECKER 40V MAX String Trimmer and Lawn Edger offers versatile 2-in-1 functionality that’ll appeal to homeowners who want a single tool for multiple yard tasks. Its 13-inch cutting width and 1400 RPM motor deliver reliable performance for trimming and edging. You’ll appreciate the automatic line feed system, which eliminates interruptions during use. The power adjustment dial lets you prioritize either maximum strength or extended battery life based on your needs. Compatible with 40V MAX lithium-ion batteries, this cordless trimmer boasts Powerdrive transmission technology that boosts motor output. With a 4.4-star rating from nearly 2,900 customers and a 3-year limited warranty, it’s a dependable choice for maintaining your lawn.
- Cutting Width:13 inches
- Battery Voltage:40V
- Trimmer/Edger Conversion:Yes (converts to edger)
- Weight:Not specified
- Automatic Line Feed:Yes (automatic feed spool)
- Included Batteries:Battery not included
- Additional Feature:PowerDrive transmission boosts output
- Additional Feature:Far reach design
- Additional Feature:Battery and charger separate
Factors to Consider When Choosing a Battery String Trimmer
When you’re shopping for a battery string trimmer, you’ll want to evaluate several key factors that directly impact your trimming experience and long-term satisfaction. You should consider battery power and runtime to guarantee you can complete your yard work without interruption, along with cutting width and performance to match your property’s size and vegetation thickness. Additionally, you’ll benefit from examining the trimmer’s weight and portability, its ability to convert to an edger, and the warranty and support options the manufacturer provides.
Battery Power and Runtime
Runtime varies considerably based on battery capacity. You’ll get anywhere from 15 minutes to over an hour per charge. Upgrading from a 2.0Ah to a 2.5Ah battery noticeably extends your working time, letting you tackle larger yards without recharging.
Brushless motors are your advantage here. They’re more efficient than brushed alternatives, squeezing extra runtime from the same battery.
Don’t overlook power modes either. You can adjust motor speed to match your task—using eco mode for light trimming conserves battery life, while full power handles dense weeds effectively.
Cutting Width and Performance
Once you’ve maximized your battery runtime, you’ll want to focus on the cutting width and motor performance that’ll actually get your job done efficiently. Cutting widths typically range from 10 to 16 inches—wider heads cover larger areas faster, saving you time on substantial lawns. You’ll also want a motor with sufficient RPM to handle thicker vegetation without bogging down. Brushless motors outperform traditional brush motors because they’re more efficient and durable, extending your trimmer’s lifespan. Many models offer adjustable power settings, letting you dial down performance on lighter tasks to maximize battery life or crank it up when tackling dense weeds. Match these specs to your yard size and vegetation type for ideal results.
Weight and Portability
A lightweight trimmer makes all the difference when you’re maintaining your yard. Battery-powered models typically weigh under 10 lbs, reducing fatigue during extended use and making them easy to maneuver around flower beds and tight spaces.
Cordless string trimmers offer superior mobility compared to corded alternatives, since you won’t navigate around power cords or worry about tripping hazards. You’ll access hard-to-reach areas without limitation.
The compact, streamlined design of most battery-powered trimmers means you’ll store and transport them effortlessly. Whether you’re moving between properties or organizing your garage, these tools won’t consume much space.
Additionally, modern batteries provide sufficient runtime to complete most yard work tasks on a single charge, eliminating interruptions and enhancing overall portability for your landscaping needs.
Trimmer to Edger Conversion
Beyond the convenience of portability, you’ll want to ponder whether your trimmer can handle multiple yard tasks. Many battery-powered models convert effortlessly into lawn edgers, letting you shift seamlessly between trimming and edging without switching tools.
The conversion typically involves swiveling the trimmer head to an edging position and occasionally adding an edging wheel or guard. Some models feature adjustable heads that you can set at various angles, accommodating both operations with precision.
This dual-function capability streamlines your yard maintenance routine and eliminates purchasing separate devices. You’ll gain greater value and convenience by investing in a trimmer that doubles as an edger, making it a practical choice for thorough lawn care.
Warranty and Support Options
When you’re investing in a battery string trimmer, warranty coverage becomes your safety net against manufacturing defects and unexpected failures. You’ll want to prioritize models offering 3-5 year limited warranties that provide genuine long-term protection.
Pay close attention to battery and charger coverage, since these wear-and-tear components frequently need replacement. Check whether the manufacturer offers extended warranty options or protection plans for added peace of mind.
Ensure you can easily access customer support through toll-free numbers or email addresses for post-purchase issues. Additionally, verify that your purchase qualifies for at least a 30-day Amazon return policy, allowing you adequate time to evaluate whether the trimmer meets your expectations.
Price and Value Proposition
Battery string trimmer prices span a wide range—from budget-friendly options under $100 to premium models exceeding $300—and understanding what you’re paying for helps you make a smarter investment.
Consider the cutting swath, maximum runtime per charge, and included accessories like blowers or edgers when evaluating value. Small to medium-sized yards typically don’t require expensive 40V or 60V models; a 20V option delivers sufficient power and runtime affordably. However, if you’re a landscaping professional or maintain a larger property, you’ll benefit from investing in a more powerful 40V or 60V trimmer for extended runtime and heavier-duty construction.
Don’t overlook long-term ownership costs. Cordless trimmers eliminate ongoing fuel and maintenance expenses, while you’ll only replace batteries occasionally—making them genuinely economical over time.
