EGO Power+ ST1521S 15-Inch String vs Worx WG183 40V String Trimmer
Both made our Best String Trimmers for Edging shortlist, at #1 and #2. Here's how they differ and who each one suits.
- BuyOnceRight Research Desk
- Updated
- 4 min read
Quick verdict
Choose the EGO Power+ ST1521S 15-Inch String Trimmer if you want pivoting head locks cleanly into edging position without extra tools. Choose the Worx WG183 40V String Trimmer if you'd rather have under 5 pounds, the lightest trimmer in this roundup and easiest to maneuver around small beds. Overall we rank the EGO Power+ ST1521S 15-Inch String Trimmer higher: #1 versus #2 in our Best String Trimmers for Edging list.
Winner overall: EGO Power+ ST1521S 15-Inch String Trimmer
EGO Power+ ST1521S 15-Inch String Trimmer vs Worx WG183 40V String Trimmer compared
Every difference that matters, in one table.
| Attribute | ||
|---|---|---|
| Our ranking | #1 of 5 in Best String Trimmers for Edging | #2 of 5 in Best String Trimmers for Edging |
| Pick label | Top pick | |
| Brand | EGO | Worx |
| Key features | 15-inch cutting swath with POWERLOAD auto-feed line; 56V ARC Lithium battery, 2.5Ah included; Carbon fiber split shaft | 13-inch dual-exit cutting head; 40V PowerShare, 2 x 2.0Ah batteries included; Under 5 pounds |
| Biggest strength | Pivoting head locks cleanly into edging position without extra tools | Under 5 pounds, the lightest trimmer in this roundup and easiest to maneuver around small beds |
| Main trade-off | 56V battery and charger add cost versus 40V competitors | 13-inch swath would be limiting on anything beyond a small lot |
| Best for | edging | small yards |
Which should you buy?
#1 pick
Choose the EGO Power+ ST1521S 15-Inch String Trimmer if…
- Pivoting head locks cleanly into edging position without extra tools
- POWERLOAD auto-feed threads new line in seconds, useful after a long edging session wears the line down
- 56V battery has enough torque to run the line against curb edges without bogging
Best for: edging
Prefer the alternative? See the Worx WG183 40V String Trimmer section.
#2 pick · Top pick
Choose the Worx WG183 40V String Trimmer if…
- Under 5 pounds, the lightest trimmer in this roundup and easiest to maneuver around small beds
- Two included batteries cover a small lot with plenty of runtime to spare
- PowerShare batteries cross over to other Worx yard tools if the collection grows
Best for: small yards
Prefer the alternative? See the EGO Power+ ST1521S 15-Inch String Trimmer section.
Pros and cons of each
EGO Power+ ST1521S 15-Inch String Trimmer
Pros
- Pivoting head locks cleanly into edging position without extra tools
- POWERLOAD auto-feed threads new line in seconds, useful after a long edging session wears the line down
- 56V battery has enough torque to run the line against curb edges without bogging
- Carbon fiber shaft keeps the tool light for one-handed edging control
Cons
- 56V battery and charger add cost versus 40V competitors
- Proprietary EGO battery doesn't cross over to other brands
- No built-in guide wheel, so depth control is by feel
Worx WG183 40V String Trimmer
Pros
- Under 5 pounds, the lightest trimmer in this roundup and easiest to maneuver around small beds
- Two included batteries cover a small lot with plenty of runtime to spare
- PowerShare batteries cross over to other Worx yard tools if the collection grows
Cons
- 13-inch swath would be limiting on anything beyond a small lot
- Auto-feed line advance occasionally over-feeds line
- Dual-exit head design is less common, replacement line spools can be pricier
EGO Power+ ST1521S 15-Inch String Trimmer vs Worx WG183 40V String Trimmer: common questions
Which is better, the EGO Power+ ST1521S 15-Inch String Trimmer or the Worx WG183 40V String Trimmer?
Choose the EGO Power+ ST1521S 15-Inch String Trimmer if you want pivoting head locks cleanly into edging position without extra tools. Choose the Worx WG183 40V String Trimmer if you'd rather have under 5 pounds, the lightest trimmer in this roundup and easiest to maneuver around small beds. Overall we rank the EGO Power+ ST1521S 15-Inch String Trimmer higher: #1 versus #2 in our Best String Trimmers for Edging list.
What is the difference between the EGO Power+ ST1521S 15-Inch String Trimmer and the Worx WG183 40V String Trimmer?
The EGO Power+ ST1521S 15-Inch String Trimmer stands out because pivoting head locks cleanly into edging position without extra tools, while the Worx WG183 40V String Trimmer stands out because under 5 pounds, the lightest trimmer in this roundup and easiest to maneuver around small beds. The trade-offs differ too: the EGO Power+ ST1521S 15-Inch String Trimmer's main caveat is that 56V battery and charger add cost versus 40V competitors, and the Worx WG183 40V String Trimmer's is that 13-inch swath would be limiting on anything beyond a small lot.
Is the EGO Power+ ST1521S 15-Inch String Trimmer worth it over the Worx WG183 40V String Trimmer?
For most buyers, yes: it's our #1 pick. Consider the Worx WG183 40V String Trimmer instead if 56V battery and charger add cost versus 40V competitors is a deal-breaker for you.
Who should buy the Worx WG183 40V String Trimmer instead of the EGO Power+ ST1521S 15-Inch String Trimmer?
The Worx WG183 40V String Trimmer suits small yards, while the EGO Power+ ST1521S 15-Inch String Trimmer is best for edging.