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Best Cordless String Trimmer Edgers for Lawn Borders in 2026

Greenworks ST24B217 is a compact kit with a 90-degree rotating head and included battery and charger. For a stronger ecosystem alternative, consider BLACK+DECKER LSTE522 or RYOBI’s 40V platform models.

Quick answer

Greenworks ST24B217 is the clearest all-in-one kit choice in this comparison: its product page lists a 12-inch path, head rotation and bundled battery and charger. BLACK+DECKER LSTE522 is an EASYFEED trimmer/edger kit; RYOBI RY40ST01K is a 40V attachment-capable string trimmer if your yard tool system is the priority. A dedicated edger remains an option for frequent border work.

01

Best for a small-yard trimmer and edger kit

Greenworks ST24B217

  • The 12-inch cutting path and 90-degree rotating head support trimming and edging positions.
  • The listed bundle includes a 2.0 Ah battery and charger.

Drawback: The manufacturer’s runtime claim is up to 20 minutes with the included battery.

02BLACK+DECKER LSTE522Official manufacturer image

Best for EASYFEED line advancement

BLACK+DECKER LSTE522

  • BLACK+DECKER lists it as a 20V MAX EASYFEED cordless trimmer and edger.
  • The product is sold as a kit with battery and charger in the collection listing.

Drawback: The cited collection does not provide cutting width or runtime details for this exact listing.

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03RYOBI RY40ST01KOfficial manufacturer image

Best for RYOBI 40V users wanting attachment options

RYOBI RY40ST01K

  • RYOBI lists the RY40ST01K as a 40V 15-inch attachment-capable string trimmer kit.
  • It appears in the manufacturer’s 40V battery string trimmer and edger collection.

Drawback: The listed model is a trimmer kit rather than a dedicated rotating-head edger combo.

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04BLACK+DECKER LST136Official manufacturer image

Best for a larger BLACK+DECKER battery platform

BLACK+DECKER LST136

  • The manufacturer lists a 40V MAX POWERCOMMAND trimmer and edger.
  • The collection listing identifies battery and charger included.

Drawback: The cited collection page does not publish a cutting swath for this model.

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Compare them side by side

Greenworks ST24B217BLACK+DECKER LSTE522Official manufacturer imageBLACK+DECKER LSTE522RYOBI RY40ST01KOfficial manufacturer imageRYOBI RY40ST01KBLACK+DECKER LST136Official manufacturer imageBLACK+DECKER LST136
Battery platform24V20V MAX40V40V MAX
Cutting path12 in—15 in—
Edging arrangement90° rotating headTrimmer/edger listingAttachment-capable trimmerTrimmer/edger listing
Battery and charger includedYesYes, collection listingKitYes, collection listing
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Common questions

Questions before you buy

Which cordless string trimmer edger is best for small yards?

A compact kit with a rotating head, such as Greenworks ST24B217, is a practical starting point because its listing includes the battery and charger. Match the cutting width and runtime conditions to the size of your lawn.

Are cordless grass trimmer and edger models as effective as dedicated edgers?

They can maintain borders, but a dedicated edger may be more suited to frequent or extensive edging. Compare the head design and the manufacturer’s intended use.

Does Yardworks make a cordless telescopic grass trimmer and edger?

Yardworks product availability and names can vary by retailer and region. We could not confirm a current manufacturer specification page for the named 24V model, so check the product label, manual and current Canadian listing before relying on its details.

Do trimmer-edger combos need special line?

Use the line diameter and type specified in the exact model’s manual. The head and feed system determine compatible replacement line.

Sources and how we chose