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Buying Guide

Our Guide to the Best 80V Cordless String Trimmers

The best 80V cordless string trimmers, the top of the current voltage range for the largest properties and most demanding cutting needs.

By Gardening Is Ezee Editors

7 min read2 products evaluated

80V represents the top of the current string trimmer power range, delivering the most sustained cutting power and widest swaths available on a cordless platform.

Gardening Is Ezee field notes

The Garden Fit Check

A quick way to connect the shortlist to the space, workload and ownership details that matter after the box arrives.

Start with the job
Greenworks 80V 16 in Cordless String Trimmer, 2.0 Ah Battery leads this shortlist for buyers wanting maximum power from an established brand. Use that fit as a reference point, then compare the alternatives against your own space and workload.
Specs that separate the picks
The first details to compare are 16-Inch Swath, Variable-Speed Brushless. Confirm the exact model and included components before ordering.
Trade-off to plan for
80V batteries aren't compatible with lower-tier Greenworks tools

The Practical Shortlist

A garden-first look at 2 options, organized around the job each one suits best.

  1. Best Overall

    Greenworks 80V 16 in Cordless String Trimmer, 2.0 Ah Battery

    buyers wanting maximum power from an established brand

    Our take Check price for Greenworks 80V 16 in Cordless String Trimmer, 2.0 Ah Battery (opens in a new tab)

  2. Best Value Pick

    80V 16-Inch Brushless Cordless String Trimmer, 5635 RPM Variable-Speed

    buyers comparing capacity, compatibility, included components and storage needs

    Our take Check price for 80V 16-Inch Brushless Cordless String Trimmer, 5635 RPM Variable-Speed (opens in a new tab)

Why Each Pick Made the Cut

Greenworks 80V 16 in Cordless String Trimmer, 2.0 Ah Battery

Best Overall1 of 2

Greenworks 80V 16 in Cordless String Trimmer, 2.0 Ah Battery on Amazon (opens in a new tab)

Greenworks 80V 16 in Cordless String Trimmer, 2.0 Ah Battery is the better fit when buyers wanting maximum power from an established brand.

Best for

buyers wanting maximum power from an established brand

Why it made the shortlist

The intended use case is buyers wanting maximum power from an established brand. The documented setup centers on 16-Inch Swath, 80V System, established Brand.

What separates it on paper is wide 16-inch cutting swath covers substantial ground. Against the other 1 picks, the useful comparison starts with 16-Inch Swath and 80V System. Those details show whether its configuration suits the job better than a neighboring recommendation.

Before committing, account for 80V batteries aren't compatible with lower-tier Greenworks tools. Confirm whether the battery and charger are included with the exact package. Check platform compatibility and published runtime against the area or workload you need to cover.

Key dimensions & specs

  • 16-Inch Swath
  • 80V System
  • Established Brand

Pros

  • Wide 16-inch cutting swath covers substantial ground
  • Established brand reputation at the top voltage tier
  • Includes battery as part of the package

Cons

  • 80V batteries aren't compatible with lower-tier Greenworks tools
80V 16-Inch Brushless Cordless String Trimmer, 5635 RPM Variable-Speed

Best Value Pick2 of 2

80V 16-Inch Brushless Cordless String Trimmer, 5635 RPM Variable-Speed on Amazon (opens in a new tab)

80V 16-Inch Brushless Cordless String Trimmer, 5635 RPM Variable-Speed is the better fit when buyers comparing capacity, compatibility, included components and storage needs.

Best for

buyers comparing capacity, compatibility, included components and storage needs

Why it made the shortlist

The intended use case is buyers comparing capacity, compatibility, included components and storage needs. The documented setup centers on variable-Speed Brushless, 5635 RPM.

What separates it on paper is variable-speed brushless motor rated at 5635 RPM. Against the other 1 picks, the useful comparison starts with variable-Speed Brushless and 5635 RPM. Those details show whether its configuration suits the job better than a neighboring recommendation.

Before committing, account for newer brand with a shorter track record. Confirm the exact model number and included components before ordering. Check dimensions, compatibility and maintenance needs against the way you plan to use and store it.

Key dimensions & specs

  • Variable-Speed Brushless
  • 5635 RPM
  • Compared using published specifications, included components, compatibility, and practical trade-offs.

Pros

  • Variable-speed brushless motor rated at 5635 RPM
  • Same 16-inch swath as the established brand alternative

Cons

  • Newer brand with a shorter track record

How We Built This Shortlist

Each pick was assessed across 3 criteria weighted for real-world use.

Real, Current Listings
We compared capacity, compatibility, included components, operating limits and warranty documentation.
Brand Track Record Verification
We noted brand track record and stated motor specifications for both 80V models.
Documented specifications
We compared capacity, compatibility, included components, operating limits and warranty documentation.

What Matters Before You Choose an 80V Cordless String Trimmers (2026)

Key buying criteria so you get the right fit the first time.

  1. Is 80V Necessary for Your Yard

    80V delivers the most sustained cutting power in the current string trimmer range, genuinely useful for the largest properties or the thickest, most demanding growth.

    For routine to moderately overgrown residential yards, a lower voltage tier is typically sufficient and lighter to handle.

  2. Established Brand vs. Newer Entrant

    Confirm capacity, dimensions, compatibility, included components, warranty coverage and storage requirements before choosing.

  3. Battery Capacity and Weight

    80V batteries tend to be larger and heavier than lower-voltage alternatives, a real tradeoff for the added power.

    Consider whether you'll comfortably handle the added weight for extended trimming sessions before committing to this top voltage tier.

Match an 80V Cordless String Trimmers (2026) to Your Garden or Yard

By Priority

PriorityRecommended Pick
Established brand, proven track recordGreenworks 80V
Compared using published specifications, included components, compatibility, and practical trade-offs.80V Value Pick

By Budget

BudgetRecommended Pick
Lower cost80V Value Pick
Established brand premiumGreenworks 80V

Established Brand vs. Value: The Verdict

The right choice depends on how much brand track record matters to you at this power tier.

Choose the established brand if
Confirm dimensions, compatibility and included components for your setup.
Choose the value pick if
Confirm dimensions, compatibility and included components for your setup.

By Property Size

Property SizeRecommended Pick
Largest properties, heaviest growthEither 80V option
Standard residentialConsider a lower voltage tier instead

For Maximum Power Specifically

Look for
Confirm dimensions, compatibility and included components for your setup.
In this comparison
Both models specifically claim 80V power with a 16-inch swath.

When to Step Down in Voltage

Step down if
Your yard is routine in size and 80V's added weight isn't justified by your actual needs.
Consider 40V or 60V instead if
Moderate residential yard maintenance is your actual use case.

Before You Bring One Home

Is 80V overkill for a typical residential yard?

For most routine residential yard maintenance, yes, a 40V or 60V trimmer is generally sufficient. 80V makes the most sense for the largest properties or the thickest, most demanding growth.

Are 80V string trimmer batteries heavier than lower-voltage options?

Yes, 80V batteries tend to be larger and heavier, a real tradeoff for the added sustained power, worth considering for extended trimming sessions.

What should I verify before ordering?

Confirm the model number, dimensions, capacity, included components, compatibility, warranty coverage and storage requirements.

What's the widest cutting swath available at 80V?

Both models compared here offer a 16-inch cutting swath, the standard width at this top voltage tier for the models currently available.

Bottom Line

Best overall: Greenworks 80V 16 in Cordless String Trimmer, 2.0 Ah Battery — best overall pick in this roundup. See the full verdicts above for every pick, with pros, cons and who each one suits.

Browse all 80v cordless string trimmers (2026) on Amazon — Prime-eligible options with current pricing.