Best Battery Powered Line Trimmers for Home Yards
Discover top battery-powered string trimmers that deliver reliable performance, long runtimes, and easy maintenance for American lawns. This guide highlights five standout models, covering power, weight, features, and user-friendly loading systems to help you choose the right tool for trimming weeds and edging along sidewalks, fences, and garden beds. Each entry includes a quick overview, key specs, and practical notes to compare run times and ergonomics across brands.
Summary of Selected Products
| Product | Brand | Key Features | Battery | Approx. Trimming Width |
|---|---|---|---|---|
| EGO ST1502SA | EGO Power+ | Rapid-Reload head, dual-feed line, high-efficiency brushless motor | 56V 2.5Ah | 15 inches |
| EGO ST1523S | EGO Power+ | POWERLOAD, line IQ, IPX4, adjustable speed | 56V 4.0Ah | 15 inches |
| WORX WG163 | WORX | 2-in-1 trimmer/edger, instant line feed, 90° head | 20V (PowerShare, includes 2 batteries) | 12 inches |
| EGO ST1623T | EGO Power+ | LINE IQ auto feed, POWERLOAD, carbon fiber shaft | 56V (battery included 4.0Ah) | 16 inches |
| Greenworks 40V 12″ | Greenworks | Auto feed, variable speed trigger | 40V (battery included) | 12 inches |
EGO POWER+ ST1502SA: 15″ Cordless String Trimmer

The EGO ST1502SA features a 15-inch cutting swath with a dual-feed spiral 0.095 inch line for robust weed and grass trimming. Its high-efficiency brushless motor aims to extend run time and reduce vibration, improving comfort during longer sessions. An IPX4 weather-resistant design helps withstand typical yard conditions. The Rapid-Reload head simplifies line replacement—align arrows, insert line, and twist to load.
EGO POWER+ ST1523S: 15″ Trimmer With POWERLOAD

The ST1523S ups the ante with POWERLOAD technology and LINE IQ for auto line feeding and uninterrupted trimming over a 15-inch swath. The motor is brushless for longevity and smoother operation, and IPX4 weather resistance adds durability in outdoor conditions. A variable speed control helps tailor power to the task, balancing runtime and performance for dense or delicate growth alike.
WORX WG163: 2-in-1 Trimmer And Edger

The WG163 offers a convenient 2-in-1 design for trimming and edging, with an Instant Line Feed spool system for quick line replacement. Its 90-degree tilted head simplifies reaching on slopes or along curbs, and the kit includes two batteries and a charger, extending use for larger properties. The PowerShare compatibility allows using the same battery with other WORX tools.
EGO ST1623T: 16″ Trimmer With LINE IQ

The ST1623T uses patented LINE IQ technology to auto-sense line feeding for a continuous 16-inch cut, with POWERLOAD for quick line winding. It features a telescope carbon fiber shaft for height adjustments and improved balance, and a robust 56V battery system that supports longer sessions with smooth trimming performance.
Greenworks 40V 12″ Trimmer

The Greenworks 40V 12″ string trimmer provides a compact, lightweight option with a 12-inch cutting path and auto feed head. The 40V battery delivers steady power for standard lawn tasks, while the variable speed trigger enables control over cutting speed and battery life. This model is suitable for smaller-to-medium yards needing reliable, simple maintenance.
Buying Guide: Keys To Choosing A Battery-Powered Trimmer
- Battery voltage and capacity: Higher voltage generally yields more torque and longer runtime. Larger Ah ratings (e.g., 4.0Ah) extend use between charges but add weight; consider balance with long mow sessions.
- Cutting width and line system: A wider swath (15-16 inches) speeds up mowing; auto-feed and quick-load line systems reduce downtime. Tools with LINE IQ or POWERLOAD simplify line management.
- Motor type and durability: Brushless motors offer efficiency and durability for longer life and fewer vibrations—helpful for extended trimming jobs.
- Weight and balance: Heavier tools can fatigue users over time. Look for carbon fiber or telescopic shafts to adjust length and balance to your height and posture.
- Convertible features: 2-in-1 trimmers (trimmer/edger) save money and space. A tilting or 90-degree head can improve reach along sidewalks and fences.
- Weather resistance: IP ratings like IPX4 indicate splash resistance; this matters for backyard weather and storage reliability.
- Battery ecosystem and compatibility: Some brands use interchangeable batteries across tools. If you already own a brand, a compatible system may reduce total cost and storage needs.
- Noise and vibration: Look for brushless motors and ergonomic grips to minimize fatigue and vibrations that can affect user experience.
When evaluating options, align device capabilities with your yard size, terrain, and preferred maintenance routine. For larger properties or frequent edging, models with POWERLOAD or LINE IQ can save time. For smaller lawns, lighter options with auto-feed features still deliver solid performance without overexertion.