Greenworks 40V 16 in Brushless Trimmer

Last updated: October 31, 2026

Greenworks 40V 16 in Brushless Trimmer
4.1/5#4 of 18 in battery string trimmers
4.1

A low priced 16 in. trimmer for medium yards that can grow into a multi tool with Greenworks attachments.

  • 16 inSwath
  • .095 inLine
  • 9.7 lb (without battery)Weight
  • 3 yearsWarranty
Check price at Amazon$169.67

Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Takes Greenworks edger, hedge, pole saw, cultivator and blower attachments
  • 16 in. swath with heavy dual line for bigger yards
  • Up to 50 minutes on the kit’s 4.0Ah battery
  • Brushless motor with two speed settings to save battery on light work
Cons
  • At 9.7 lb before the battery it is heavy for a 40V trimmer
  • Three year warranty is shorter than EGO and Ryobi’s five years
  • Greenworks’ own specs and the Amazon listing disagree on line size

How it scores

The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its power source. How we rank explains each one.

Specifications

Model numberST40L414
Cutting
Cutting swath16 in
Largest line.095 in
Line feedBump feed
ShaftStraight
Converts to edgerNo
Takes attachmentsYes
Power
Engine or battery40 V, 4 Ah of battery
Battery energy160 Wh
Battery includedYes
Runtime50 min
Brushless motorYes
Variable speedYes
Build
Weight9.7 lb (without battery)
Warranty3 years
Battery warranty3 years

Alternatives in this power source

EGO ST1511T
#2 in Battery4.3Full review

A strong 15 in. trimmer for suburban yards, with the easiest line reloading around and a long warranty. Buy it if you already own EGO batteries or want to start on that platform.

Amazon $219
$219

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