Best String Trimmers
Top string trimmers ranked by transparent trust scores.
8 products ranked
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Top Pick
9.4
Excellent
EGO Power+ ST1521S 15-Inch Trimmer
Ranked #1 based on expert reviews, user sentiment, and value analysis.
#1
9.4
Excellent
Consensus
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Ranked #1 based on expert reviews, user sentiment, and value analysis.
Pros
- POWERLOAD automatic line winding
- Carbon fiber shaft is lightweight
- 15-inch wide cutting swath
Cons
- Battery and charger sold separately
- Line consumption is higher at high speeds
Don't buy this if…
- The POWERLOAD system works best with EGO's pre-cut line; using non-standard line diameters can jam the auto-wind mechanism.
#2
9.2
Excellent
Consensus
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Ranked #2 based on expert reviews, user sentiment, and value analysis.
Pros
- 60V MAX professional-grade power
- Folding shaft for compact storage
- Variable-speed trigger control
Cons
- Tool-only, battery not included
- Heavy for extended use
Don't buy this if…
- This is a tool-only purchase; you need a DEWALT 60V MAX battery and charger, which adds $150-200 to the total cost.
#3
9.0
Excellent
Consensus
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Ranked #3 based on expert reviews, user sentiment, and value analysis.
Pros
- 2-in-1 trimmer and edger
- EASYFEED push-button line advance
- Very affordable with battery included
Cons
- 20V power is limited for thick weeds
- 12-inch cutting swath is narrow
Don't buy this if…
- The 20V battery provides about 25 minutes of runtime; for yards larger than a quarter acre, you will need a spare battery.
#4
8.7
Excellent
Consensus
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Ranked #4 based on expert reviews, user sentiment, and value analysis.
Pros
- Detachable shaft accepts multiple attachments
- Smart Start easy-pull engine
- Powerful 28cc 2-cycle motor
Cons
- Requires gas and oil mixing
- Heavier and louder than battery trimmers
Don't buy this if…
- This is a 2-cycle engine that requires pre-mixed fuel with 2-stroke oil at a 50:1 ratio; running straight gasoline will destroy the engine.
#5
8.5
Excellent
Consensus
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Ranked #5 based on expert reviews, user sentiment, and value analysis.
Pros
- Shares batteries with 250+ M18 tools
- 16-inch wide cutting swath
- Gas-equivalent power
Cons
- Premium price for a trimmer
- Head guard is small
Don't buy this if…
- The powerful motor can throw debris with significant force; always wear safety glasses and closed-toe shoes during operation.
#6
8.3
Good
Consensus
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Ranked #6 based on expert reviews, user sentiment, and value analysis.
Pros
- Converts to edger and mini-mower
- Command Feed line advance
- Lightweight and affordable
Cons
- 12-inch swath is small
- 20V battery runs 20-30 minutes
Don't buy this if…
- The mini-mower wheel attachment works only on flat, maintained grass; it cannot handle thick weeds or uneven terrain.
#7
8.1
Good
Consensus
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Ranked #7 based on expert reviews, user sentiment, and value analysis.
Pros
- STIHL quality and dealer support
- Ultra-lightweight at 7.5 pounds
- Quiet residential operation
Cons
- Integrated battery cannot be swapped
- Only available at STIHL dealers
Don't buy this if…
- The battery is built into the unit and cannot be removed or swapped; when it dies, you must bring the entire trimmer to charge.
#8
7.9
Good
Consensus
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Ranked #8 based on expert reviews, user sentiment, and value analysis.
Pros
- 80V commercial-level power
- 16-inch heavy-duty cutting swath
- Brushless motor for longevity
Cons
- 80V batteries are expensive to replace
- Heavier than 40V models
Don't buy this if…
- The 80V battery platform is not compatible with Greenworks 24V or 40V tools; ensure you are buying into the right ecosystem.
Quick Comparison
How We Rank
Composite trust score from expert reviews, user sentiment, complaint analysis, and value assessment.
Trust Score
Weighted composite of all factor scores
Expert Score
Aggregated expert review ratings
User Sentiment
Community votes and review analysis
Value Score
Price-to-performance ratio
Freshness
Recency of reviews and data
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