VerdictAI
#1 in Best Electric (Corded) String Trimmers

BLACK+DECKER Weed Wacker with Auto Feed, 14-Inch 2 in 1 String Trimmer Lawn Edger, Powerful 6.5-Amp Lightweight Electric Weed…

Best for

Best overall

Amazon rating

★★★★★4.4(17,164)

Amazon aggregate, one input among many in the Verdict Score

Verdict scoreGreat
85/ 100

Based on 2 trusted sources

Current price

$49.00

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Updated May 16, 2026 · 1 min read

BLACK+DECKER Weed Wacker with Auto Feed, 14-Inch 2 in 1 String Trimmer Lawn Edger, Powerful 6.5-Amp Lightweight Electric Weed…

Sources behind this verdict

10 reviewers weighted by source trust

Methodology →

The consensus

What reviewers found

Synthesized across the trust-weighted source mix below.

Across the reviewers we read, the Black+Decker BESTA510 is the default recommendation when corded electric string trimmers come up. Verified-purchase reviews on Amazon and Home Depot converge on a few points: at roughly 5 pounds it's easy to handle for extended sessions, the 6.5-amp PowerDrive motor has more headroom than the 3.5- and 5-amp models in the same lineup, and the trimmer-to-edger conversion is fast enough that reviewers actually use both modes rather than buying a second tool. Where the reviewer consensus turns critical is the automatic feed spool.

What reviewers liked

  • Verified-purchase reviewers across Amazon and Home Depot consistently call out light weight (~5 lbs) and easy one-handed maneuverability
  • 6.5-amp motor handles typical residential grass and light weeds without bogging, per retailer review consensus
  • Converts between trimmer and edger modes quickly, a feature reviewers actually report using
  • Enormous installed base means parts, spools and replacement lines are easy to source

Where it falls short

  • Automatic feed spool is the most commonly cited failure point in r/Tools and long-tail Home Depot reviews
  • Corded design requires a heavy-gauge extension cord, frequently flagged by first-time buyers
  • Specialist community threads note it struggles in thick brush or anything woody
  • Plastic guard and spool housing are described as feeling cheap by multiple verified-purchase reviewers

Across the reviews

Synthesis · not our verdict

Across the reviewers we read, the Black+Decker BESTA510 is the default recommendation when corded electric string trimmers come up. Verified-purchase reviews on Amazon and Home Depot converge on a few points: at roughly 5 pounds it's easy to handle for extended sessions, the 6.5-amp PowerDrive motor has more headroom than the 3.5- and 5-amp models in the same lineup, and the trimmer-to-edger conversion is fast enough that reviewers actually use both modes rather than buying a second tool.

Where the reviewer consensus turns critical is the automatic feed spool. Threads on r/Tools and long-tail Home Depot reviews repeatedly cite the auto-feed mechanism failing or feeding erratically after a season or two, which is the single most common complaint across the data set. Specialist communities also note the obvious tradeoff that applies to every pick on this list: you are tethered to an extension cord, and a 12-gauge outdoor-rated one is effectively mandatory.

The sheer review volume — over 17,000 ratings at 4.4 stars on Amazon alone — should be read as a popularity and serviceability signal rather than a verdict, but corroborated against retailer reviews at Home Depot and community discussion, the BESTA510 lands as the most well-rounded corded pick in this pool.

Key specs

Source: Amazon listing
Highlight 1
2 in1 Trimmer Edger with wheeled edge guide - just rotate to convert from trimmer to wheeled edger
Highlight 2
Weedeater edge trimmer features Automatic feed spool technology which eliminates bumping for hassle-free line feeding that helps you work without interruptions
Highlight 3
The 6.5 amp motor and POWERDRIVE Transmissionon the grass trimmer provide maximum performance when trimming through the toughest weeds, grass, and overgrowth
Highlight 4
Lightweight design with adjustable handle and height positions provide maximum comfort and control
Highlight 5
Cord retention system on electric string trimmer prevents accidental cord disconnection
Highlight 6
14 in. cut path gets the job done fast
Highlight 7
Trims grass with this edger lawn tool in hard-to-reach areas where mowers cannot cut
Highlight 8
Ideal for edging along borders, sidewalks and flower beds

What customers say

2 verified voices
It was perfect for my tiny postage stamp yard. The 2 batteries were just enough to mow, edge, and weed whack the fence line. After I moved ...
Supportingvia r/BuyItForLife
The Black & Decker MTC220 is a surprisingly capable and versatile tool that's perfect for small to medium-sized yards.
Supportingvia r/carverscave

Trust tier reflects our editorial assessment of the source, not the individual quote. Hover for the rationale. See how we tier sources →

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