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3-in-1 Cordless Grass Trimmers: Check the Tool Functions

“3-in-1” can describe different combinations across brands. Verify the included functions and compatible attachments in the exact model’s manual before buying.

A 3-in-1 cordless grass trimmer may combine trimming, edging and another function, but the phrase is not a consistent technical standard. Before choosing a 3 in-1 cordless grass trimmer, identify the three functions the seller means and confirm each one on the manufacturer’s page or in the manual. Some attachment-capable power heads accept separate tools; that is different from a trimmer kit with three functions included.

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The essentials

Best Cordless String Trimmers for Canadian Yards (2026)

The DEWALT DCST925M1 is a balanced kit for regular home trimming; choose the RYOBI 40V HP kit for a wider cut and heavier growth, or STIHL for a compact yard.

Best cordless grass trimmers with a battery and charger

The RYOBI 40V HP Brushless 17” String Trimmer Kit is our strongest all-round fit for demanding growth. Choose the RYOBI 18V ONE+ 13” kit for lighter edging, or DEWALT’s 60V kit for a wider cutting swath.

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Best for broad swaths and demanding weeds

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RYOBI 40V HP Brushless 17” String Trimmer Kit (RY402110VNM)

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Best for routine trimming and edging

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RYOBI 18V ONE+ 13” Cordless Battery String Trimmer/Lawn Edger Kit (P20180VNM)

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Best for a shared attachment system

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RYOBI 40V HP Brushless 16” Attachment Capable String Trimmer Kit (RY40HPST01K)

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By battery and power

Cordless

Battery cordless

Electric cordless

Cordless trimmer edger

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Our best-of lists

Best Cordless String Trimmers for Canadian Yards (2026)

The DEWALT DCST925M1 is a balanced kit for regular home trimming; choose the RYOBI 40V HP kit for a wider cut and heavier growth, or STIHL for a compact yard.

Best cordless grass trimmers with a battery and charger

Common questions

Questions before you buy

What does 3-in-1 mean on a cordless grass trimmer?

It depends on the model and seller. Check which three jobs or configurations are specifically stated by the manufacturer and included in the package.

Does attachment capable mean a trimmer is 3-in-1?

No. Attachment capability means compatible accessories may expand the tool’s uses; accessories may be sold separately, and the manufacturer’s compatibility list should be followed.

Can a cordless trimmer convert into an edger?

Some models rotate the head or have an edging mode. Confirm the feature for the exact trimmer rather than assuming every cordless model converts.

Are attachments interchangeable between trimmer brands?

Not necessarily. Use only attachments the tool maker lists as compatible with the exact power head.