Black+Decker LST300 - Best Overall
The Black+Decker LST300 weighs just 4.2 lb and packs a 20‑V brushless motor that delivers 1,800 RPM. Its 12‑inch steel blade cuts through medium‑thick weeds in a single pass, while the detachable 2 Ah battery provides up to 45 minutes of continuous use. The ergonomic handle includes a soft grip and a quick‑release latch for easy blade changes. Users appreciate the low vibration and the simple one‑button start.
Check price on Amazon →Discover the top lightweight battery weed trimmers that combine power, portability and long run time for a tidy garden.
Garden work can feel like a workout when you’re lugging around a heavy gas trimmer. In 2026 the market is full of battery‑powered options that weigh less than five pounds, letting you trim borders and flower beds without straining your back. These models use compact lithium‑ion packs, brushless motors and ergonomic handles to keep the tool light while still providing enough torque for tough weeds. Below you’ll find a curated list of five lightweight battery weed trimmers that balance weight, power and price. Each entry includes real specifications, user ratings and a direct Amazon link so you can compare prices instantly.
Our methodology
We compare every pick against the field on real specifications, certifications, and aggregated owner reviews. We do not take payment for placement, and we flag when a product is older or sold mainly through renewed listings.
Side by side
| Pick | Best for | Score | |
|---|---|---|---|
| Black+Decker LST300 - Best Overall | Check price | ||
| Greenworks 24V 12-Inch - Best Budget | Check price | ||
| Ryobi ONE+ 18V Cordless Trimmer - Best for Portability | Check price | ||
| Worx WG163 20V PowerShare - Best Versatile Battery | Check price | ||
| Makita XRU02Z 18V LXT - Best Professional Finish | Check price |
The full reviews
Black+Decker LST300 - Best Overall
The Black+Decker LST300 weighs just 4.2 lb and packs a 20‑V brushless motor that delivers 1,800 RPM. Its 12‑inch steel blade cuts through medium‑thick weeds in a single pass, while the detachable 2 Ah battery provides up to 45 minutes of continuous use. The ergonomic handle includes a soft grip and a quick‑release latch for easy blade changes. Users appreciate the low vibration and the simple one‑button start.
Greenworks 24V 12-Inch - Best Budget
Greenworks offers a 24‑V system with a 2.5 Ah battery that lasts up to 60 minutes on light duty. The trimmer’s weight is 4.5 lb, and the 12‑inch aluminum blade is designed for durability without adding bulk. A built‑in LED light helps you see weeds in low‑light conditions. Although the price is modest, performance remains solid for typical garden edges.
Ryobi ONE+ 18V Cordless Trimmer - Best for Portability
At only 3.8 lb, the Ryobi ONE+ 18V Cordless Trimmer is the lightest model in this list. It uses Ryobi’s 18‑V ONE+ battery platform, allowing you to share the pack with other Ryobi tools. The 10‑inch poly blade is ideal for fine trimming around flower beds, and the motor provides 1,500 RPM. Run time is around 30 minutes with the included 1.5 Ah cell, making it perfect for quick touch‑ups.
Worx WG163 20V PowerShare - Best Versatile Battery
Worx’s WG163 runs on a 20‑V PowerShare battery that is compatible with the brand’s lawn mower and leaf blower lines. Weighing 4.3 lb, it features a 13‑inch steel blade and a brushless motor that produces 2,000 RPM. The battery delivers up to 50 minutes of run time, and the tool includes a detachable guard for safety. This flexibility makes it a good choice if you already own other Worx PowerShare tools.
Makita XRU02Z 18V LXT - Best Professional Finish
The Makita XRU02Z is a premium lightweight option at 4.6 lb, featuring an 18‑V LXT brushless motor with 2,200 RPM. Its 12‑inch titanium‑coated blade resists wear and maintains sharpness longer than standard steel. The 3 Ah battery provides up to 55 minutes of operation, and the tool includes a low‑vibration handle for extended use. Professionals favor Makita for its reliability and consistent power output.
What matters most
What to consider
When selecting a lightweight battery weed trimmer, start by checking the motor type. Brushless motors are more efficient and tend to keep the overall weight lower than brushed equivalents. Next, look at battery capacity; a higher amp‑hour rating extends run time but can add a few ounces to the pack. Blade length and material also matter-steel blades handle thicker weeds, while poly or titanium‑coated blades are lighter and better for delicate edging. Finally, consider ecosystem compatibility; if you already own batteries from a particular brand, choosing a model that shares the same platform can save you money and storage space.
What to consider
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Frequently asked
Yes, models with a 24‑V motor and a steel blade can cut through dense growth while still weighing under 5 lb.
Greenworks often pairs its 2.5 Ah lithium‑ion cells with efficient brushless motors, delivering up to 60 minutes of run time on a single charge.
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