String Trimmers · Comparison

EGO Power+ ST1521S vs Worx WG183 40V

EGO Power+ ST1521S vs Worx WG183 40V: we break down the real differences, strengths, tradeoffs, and which one fits your situation.

BuyOnceRight Research Desk
Updated October 16, 2026
3 min read

EPEGO Power

EGO Power

EGO Power+ ST1521S

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WWWorx WG183

Worx WG183

Worx WG183 40V String Trimmer

Worx's WG183 is a cordless trimmer that converts to an edger.

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Quick verdict

Both are credible options, the right choice depends on which strengths matter more to you. If still torn, the buying guide linked below walks through the decision step by step.

The details

Head-to-head

The differences that actually change the buying decision.

EGO Power+ ST1521S versus Worx WG183 40V String Trimmer
Attribute	EPEGO Power EGO Power+ ST1521SCheck price	WWWorx WG183 Worx WG183 40V String TrimmerCheck price
The Short Answer	Buy the EGO Power+ ST1521S if you have a larger yard, deal with thick weeds or overgrowth regularly, or plan to build out an EGO 56V tool collection over time.	See full breakdown below.
Where They Match	Pivoting head: both trimmers pivot to a vertical position for edging, a feature not universal at either price point.	Auto-feed line: neither requires manually unwinding a spool to reload line, though EGO's POWERLOAD system is generally considered the more convenient of the two.
Where EGO Wins	Cutting power: the 56V brushless motor holds RPM through dense growth noticeably better than the Worx's 40V motor, a real difference on anything beyond light, well-maintained grass.	Swath width: 15 inches versus 13 inches means fewer passes across a larger lawn.
Where Worx Wins	Included batteries: two 2.0Ah packs versus the EGO's single 2.5Ah pack, useful for back-to-back yard tasks without a mid-job charge wait.	Weight: under 5 pounds versus roughly 8 pounds for the EGO, a real factor on longer sessions or when edging at an angle.
Who Should Buy Each	EGO Power+ ST1521S on Amazon	See full breakdown below.
Frequently Asked Questions	Best String Trimmers for Edging: Top Picks for Clean Lawn LinesString Trimmers · List Best String Trimmers for Small Yards: Compact and Lightweight PicksString Trimmers · List Best String Trimmers for	See full breakdown below.

Decide

Which should you buy?

Choose the EGO Power+ ST1521S if…

Buy the EGO Power+ ST1521S if you have a larger yard, deal with thick weeds or overgrowth regularly, or plan to build out an EGO 56V tool collection over time.
Auto-feed line: neither requires manually unwinding a spool to reload line, though EGO's POWERLOAD system is generally considered the more convenient of the two

Check price on Amazon

Choose the Worx WG183 40V String Trimmer if…

Cutting power: the 56V brushless motor holds RPM through dense growth noticeably better than the Worx's 40V motor, a real difference on anything beyond light, w

Check price on Amazon

The Short Answer

Buy the EGO Power+ ST1521S if you have a larger yard, deal with thick weeds or overgrowth regularly, or plan to build out an EGO 56V tool collection over time.

Where They Match

Pivoting head: both trimmers pivot to a vertical position for edging, a feature not universal at either price point.

Auto-feed line: neither requires manually unwinding a spool to reload line, though EGO's POWERLOAD system is generally considered the more convenient of the two.

Build reliability: both brands have a solid reputation for cordless outdoor power equipment, with ratings volume in the thousands and generally positive long-term ownership reports.

Where EGO Wins

Cutting power: the 56V brushless motor holds RPM through dense growth noticeably better than the Worx's 40V motor, a real difference on anything beyond light, well-maintained grass.

Swath width: 15 inches versus 13 inches means fewer passes across a larger lawn.

Shaft rigidity: the carbon fiber shaft flexes less under load than the Worx's composite shaft, which translates to a more precise, controlled cut.

Where Worx Wins

Included batteries: two 2.0Ah packs versus the EGO's single 2.5Ah pack, useful for back-to-back yard tasks without a mid-job charge wait.

Weight: under 5 pounds versus roughly 8 pounds for the EGO, a real factor on longer sessions or when edging at an angle.

Who Should Buy Each

EGO Power+ ST1521S on Amazon

Frequently Asked Questions

Best String Trimmers for Edging: Top Picks for Clean Lawn LinesString Trimmers · List Best String Trimmers for Small Yards: Compact and Lightweight PicksString Trimmers · List Best String Trimmers for Steep Hills and SlopesString Trimmers · List Best String Trimmers for Thick Weeds and Overgrown LotsString Trimmers · List

Answers

Frequently asked questions

Which is better for thick weeds, EGO or Worx?

The EGO ST1521S, clearly. Its 56V brushless motor holds line speed through dense growth that noticeably slows the Worx WG183's motor. For anyone dealing with regular thick weeds or overgrown patches, the EGO is the stronger choice.

Is two batteries better than one larger battery?

It depends on use pattern. Two 2.0Ah batteries, as included with the Worx, let you swap packs mid-job without waiting to recharge, useful for back-to-back yard tasks. A single larger battery, like a step-up EGO pack, delivers more sustained runtime without needing to stop and swap. For most residential yards, either approach covers a full session.

Is the EGO worth $70 to $100 more than the Worx?

For larger yards, thicker growth, or buyers planning to add more EGO tools over time, yes. For a small to medium yard with typical grass and light weeds, the Worx covers the job at a lower price, and the EGO's extra power goes underused.

Which is lighter to use?

The Worx WG183, at under 5 pounds versus the EGO's roughly 8 pounds. The weight difference is noticeable during extended sessions or when working at an angle, such as edging or trimming a slope.

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