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Best picks

Best Battery Operated Weed Eaters for Home Yards

STIHL FSA 50 suits edging flexibility; FSA 70 R targets more demanding homeowner work, and FSA 57 is aimed at smaller lawns.

GGearjury editorial team · Updated October 23, 2026· 8 min

Quick answer

STIHL FSA 50 offers tool-free edging conversion, FSA 70 R is positioned for homeowner trimming, and FSA 57 is described for small lawns. Compare selected kit variants before buying.

05

FLEXVOLT owners

DEWALT FLEXVOLT 60V MAX 3.0Ah String Trimmer DCST970X1S

  • DEWALT lists a 15-inch swath.
  • The kit includes a 3.0Ah battery and charger.

Drawback: It belongs to the FLEXVOLT family.

Compare them side by side

STIHL FSA 50 Battery Grass TrimmerOfficial manufacturer imageSTIHL FSA 50 Battery Grass TrimmerSTIHL FSA 70 R Battery Powered Grass TrimmerOfficial manufacturer imageSTIHL FSA 70 R Battery Powered Grass TrimmerSTIHL FSA 57 Battery Powered Grass TrimmerOfficial manufacturer imageSTIHL FSA 57 Battery Powered Grass TrimmerRYOBI 40V HP Brushless 17-inch String Trimmer Kit RY402110Official manufacturer imageRYOBI 40V HP Brushless 17-inch String Trimmer Kit RY402110DEWALT FLEXVOLT 60V MAX 3.0Ah String Trimmer DCST970X1S
Battery platformSTIHL AK40VSTIHL AKSTIHL AK60V FLEXVOLT
Cutting width16 in15–17 in—11 in15 in
RuntimeUp to 25 minUp to 67 min—Up to 25 min—
Battery and chargerSet optionIncludedSet optionVariant dependentIncluded
Check price on AmazonCheck price on AmazonCheck price on AmazonCheck price on Amazon

Common questions

Questions before you buy

Which STIHL battery weed eater suits small lawns?

STIHL describes the FSA 50 and FSA 57 for small lawn maintenance. Compare adjustment features and kit contents on their product pages.

Does the STIHL FSA 50 convert to an edger?

Yes, STIHL describes a tool-free conversion from lawn trimmer to edger. Follow the manual for the correct procedure.

Are battery-operated trimmers sold with a battery?

Some listings have kit and unit-only variants. Check the selected configuration; a unit-only tool excludes battery and charger.

Can I compare runtime figures directly?

Only with care: stated runtime depends on battery capacity, conditions and operating style. Compare the battery used in each published estimate.

Sources and how we chose

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