Best Cordless String Trimmers With Batteries (2026)
The best cordless string trimmers that include a battery and charger in the box, so the listed price reflects the actual out-of-box setup cost.
At a Glance
BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1, Cordless Weed Wacker with Auto Spool Feed
↓ See why we picked itGreenworks 24V 12 in Cordless String Trimmer, 2.0 Ah Battery and Charger
↓ See why we picked itVARSK 12 Inch Cordless Weed Wacker with Automatic Line Feed, 2 in 1 String Trimmer and Edger
↓ See why we picked itSeveral string trimmers are sold bare tool, assuming an existing compatible battery, which can quietly inflate the real cost for a new buyer. We compared three current models that include both a battery and charger in the box, so the listed price reflects the actual setup cost.
3 Criteria to Look For Before Buying a Cordless String Trimmers With Batteries (2026)
Key buying criteria so you get the right fit the first time.
Complete Kit vs. Bare Tool
All three models here include a battery and charger, meaning the listed price reflects the actual setup cost rather than requiring a separate battery purchase like many bare-tool listings elsewhere.
This is worth confirming on any string trimmer you're considering, since bare-tool listings can look cheaper at first glance but cost more once you add a compatible battery.
2-in-1 Trimmer and Edger Function
Two of these three models double as both a string trimmer and an edger, a genuine value feature beyond just trimming grass along a single function.
Decide whether edging capability matters to you before paying extra for a dedicated single-function trimmer instead.
Automatic vs. Manual Line Feed
Two of these three models specifically include automatic line feed, advancing the cutting line without manually bumping or adjusting it.
This is a genuine convenience feature worth checking for if you trim frequently and want to avoid manual line management.
Best Cordless String Trimmers With Batteries (2026)
BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1, Cordless Weed Wacker with Auto Spool Feed
About this pick
This complete kit doubles as both a string trimmer and edger with automatic line feed, from one of the longest-established names in home power tools.
With battery and charger included, the listed price reflects the real total setup cost, making this the strongest overall pick for most first-time buyers.
Best for: most buyers wanting a complete, ready-to-use 2-in-1 kit
Check price on AmazonSpecs
- Function: Trimmer and Edger
- Feed: Auto Spool
- Kit: Complete
Pros
- +Genuinely complete kit, battery and charger included
- +Auto spool feed avoids manual line adjustment hassle
- +Doubles as both a trimmer and an edger
Cons
- −20V power may be limited for thick, overgrown weeds
- −No confirmed brushless motor on this specific model
Greenworks 24V 12 in Cordless String Trimmer, 2.0 Ah Battery and Charger
About this pick
Greenworks pairs a 12-inch cutting swath with a slightly higher 24V system, still including battery and charger as a complete kit near the same price as the Black+Decker pick.
This is a solid alternative for a buyer who wants a complete kit without committing to Black+Decker's 20V ecosystem.
Best for: buyers wanting a complete kit at a similar price point
Check price on AmazonSpecs
- Swath: 12-Inch
- System: 24V
- Kit: Complete
Pros
- +Genuinely complete kit, battery and charger included
- +24V system offers slightly more power than 20V options
- +12-inch cutting swath suits routine yard maintenance well
Cons
- −No 2-in-1 edger function like the Black+Decker pick
- −No confirmed brushless motor on this specific model
VARSK 12 Inch Cordless Weed Wacker with Automatic Line Feed, 2 in 1 String Trimmer and Edger
About this pick
This model matches the Black+Decker pick's 2-in-1 trimmer and edger functionality with automatic line feed, at the lowest price in this comparison.
As a newer brand making these feature claims, checking recent buyer reviews for real-world performance is worthwhile before assuming it matches established competitors.
Best for: buyers wanting 2-in-1 functionality at the lowest price
Check price on AmazonSpecs
- Feed: Automatic Line
- Function: 2-in-1 Trimmer and Edger
- Price Tier: Lowest Here
Pros
- +Lowest price among the complete kits compared here
- +Automatic line feed avoids manual line adjustment hassle
- +Doubles as both a trimmer and an edger
Cons
- −Newer brand with a shorter track record
- −Confirm real-world performance against recent buyer reviews
How We Evaluated These Cordless String Trimmers With Batteries (2026)
Each pick was assessed across 3 criteria weighted for real-world use.
Real, Current Listings
All three products are currently listed string trimmers priced with a battery and charger genuinely included, verified against live Amazon catalog data.
Complete Kit Verification
We specifically confirmed each listing includes both a battery and charger rather than assuming bare-tool listings count as complete kits.
Feature Comparison
We compared 2-in-1 edger functionality and line feed mechanism across all three models.
How to Choose the Right Cordless String Trimmers With Batteries (2026)
By Priority
| Priority | Recommended Pick |
|---|---|
| Established brand, 2-in-1 function | Black+Decker 20V |
| Higher voltage, single function | Greenworks 24V |
| Lowest price, 2-in-1 function | VARSK Automatic Feed |
By Budget
| Budget | Recommended Pick |
|---|---|
| Lowest cost | VARSK Automatic Feed |
| Mid-range value | Greenworks 24V |
| Established brand premium | Black+Decker 20V |
2-in-1 vs. Single Function: The Verdict
The right choice depends on whether edging capability matters to you.
Choose a 2-in-1 model if
You want both trimming and edging capability in one tool without buying two separate tools.
Choose a single-function model if
You already own a dedicated edger and just need a trimmer.
By Line Feed Mechanism
| Priority | Recommended Pick |
|---|---|
| Automatic line feed convenience | Black+Decker or VARSK |
| Manual feed is acceptable | Greenworks 24V |
For First-Time Buyers Specifically
Look for
A genuinely complete kit so you avoid a hidden separate battery cost after purchase.
In this comparison
All three models specifically include a battery and charger.
When to Spend More
Spend more if
You want an established brand's proven track record and warranty support.
Save if
A newer brand's complete kit with similar features meets your actual needs.
Frequently Asked Questions
Why does it matter if a string trimmer includes a battery and charger?
Many string trimmers are sold bare tool, assuming an existing compatible battery, which means the listed price doesn't reflect the real setup cost for a new buyer. A complete kit's price is the actual total cost.
Is a 2-in-1 trimmer and edger worth it?
Yes, if you want both functions without buying two separate tools. A 2-in-1 design switches between trimming and edging modes, covering both routine yard tasks with one purchase.
What does automatic line feed mean on a string trimmer?
It advances the cutting line automatically as it wears down, without requiring you to manually bump or adjust it, a genuine convenience for frequent use.
Which complete kit string trimmer is the best value?
The automatic feed model at the lowest price offers strong value with 2-in-1 functionality, though an established brand's kit may be worth the modest premium for proven manufacturing history.
Bottom Line
best overall: BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1, Cordless Weed Wacker with Auto Spool Feed - best overall pick in this roundup.
See the full rankings above for all picks with pros, cons, and best-for summaries.
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