Greenworks 40V 12 Inch Cordless String Trimmer with 2Ah Battery & Charger, Dual Auto Feed Line, Variable Speed, Lightweight Weed…
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Best value
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Based on 2 trusted sources
Current price
$99.99
Updated Jun 27, 2026 · 1 min read
Sources behind this verdict
11 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the Greenworks 40V 12-inch trimmer lands as a strong mid-budget value. A high-trust Best Buy verified-purchase summary notes customers appreciate its long battery life and ease of use, and high-trust r/lawncare members report owning the 40V platform for five-plus years and still loving it. A 4.4-star average across nearly 4,000 Amazon reviews and the three-year warranty reinforce the value story, and the platform shares batteries across Greenworks' wider tool lineup.
What reviewers liked
- High-trust Best Buy verified-purchase reviews praise battery life and ease of use
- High-trust r/lawncare owners report 5+ years of reliable service
- 4.4-star average across ~3,900 reviews plus a three-year warranty
- Shares a 40V battery platform across Greenworks tools
Where it falls short
- A high-trust r/Dewalt commenter calls an earlier Greenworks 40V underpowered and frustrating to re-string
- Replacement spools may need to be ordered online per community notes
- 12-inch path limits it to lighter trimming, not heavy weeds
- No high-trust independent lab measurement in its signals
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Across the reviewers we read, the Greenworks 40V 12-inch trimmer lands as a strong mid-budget value. A high-trust Best Buy verified-purchase summary notes customers appreciate its long battery life and ease of use, and high-trust r/lawncare members report owning the 40V platform for five-plus years and still loving it. A 4.4-star average across nearly 4,000 Amazon reviews and the three-year warranty reinforce the value story, and the platform shares batteries across Greenworks' wider tool lineup.
There is genuine disagreement in the signals, though. A high-trust r/Dewalt comment calls a prior Greenworks 40V experience 'the most terrible frustrating experience,' citing underpowered cutting and difficult re-stringing, and other community members note you may need to order replacement spools online. So while the consensus skews positive, power and line management are the recurring sore spots.
The takeaway from the reviewers we read: a sensible pick for routine trimming and edging on small-to-medium lawns where battery sharing and a long warranty matter, with the caveat that it's not a thick-weed powerhouse.
- EFFICIENT 12" DUAL-LINE CUTTING – Features a 12-inch cutting path with 0.065" dual line to deliver clean, consistent trimming for grass and light weeds around lawns, sidewalks, and landscaping.
- AUTO FEED LINE SYSTEM – Automatically advances the cutting line during operation, eliminating the need for bumping and helping maintain smooth, uninterrupted trimming.
- VARIABLE SPEED CONTROL – Variable-speed trigger allows you to adjust power based on the task, providing precise control for edging and extra power when needed.
- LIGHTWEIGHT & EASY TO HANDLE – Well-balanced, ergonomic design reduces user fatigue, making this trimmer comfortable to use for routine yard maintenance.
- 3-YEAR TOOL & BATTERY WARRANTY – Backed by a 3-year limited warranty covering both the trimmer and battery, offering added confidence and long-term reliability.
Customers appreciate the 40-Volt 12" Cordless TORQDRIVE String Trimmer/Edger for its long battery life, allowing them to complete their yard work without interruptions. Users also find it easy to use, making it a convenient choice for maintaining their outdoor spaces.
I have the 40V and have had it for 5+ years now. Love it. You'll have to go online to find replacement spools but it's fine. They come in a ...
Previously I had a Greenworks 40V and it was the most terrible frustrating experience. Underpowered, and adding new string was the biggest ...
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“Greenworks 40V 12" String Trimmer Review” · YouTube
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