Kobalt Kobalt® 24-Volt Max 12-in Straight Cordless String Trimmer & Kobalt® 24-Volt Max 24-in Dual Cordless Electric Hedge Trimmer
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Items Included in this Collection


Item #1137837 |
Model #KST 4024A-03
Kobalt's high-efficiency brushless motor provides more run time and longer motor life - the run time is 40 minutes with the included Kobalt 24-volt max 4.0-Ah battery
Trimmer has a 12-in swath ideal for the average lawn
The dual-string line feed provides great cutting efficiency
The variable-speed trigger gives the user the maximum amount of control of the trimmer
Trimmer features a bump head for string advance and a straight shaft for more reliability
The string trimmer is compatible with all Kobalt's 24-volt max batteries and charger (others sold separately)
Kit includes: string trimmer, handle, guard, dual-line string spool, 4.0-Ah battery, and 45W charger
Kobalt's 5-year warranty on the tool, and 3-year warranty on the battery and charger, give you peace of mind
The included battery and charger can be used for the entire Kobalt 24-volt max family of tools
General | |||
|---|---|---|---|
Battery Voltage | 24-volt | Application | Up to 1/2 acre |
Sub-Brand | 24-Volt | Package Contents | String trimmer unit, handle, guard, dual-line string spool, battery, charger |
Type | String trimmer | Start Type | Manual start |
Power Source | Battery | Charger Type | Standard |
Package Quantity | 1 | Usage | Medium-duty |
Grade | Residential | Shaft Type | Straight |
Dimensions | |||
|---|---|---|---|
Adjustable Height | No | Weight (lbs.) | 5 |
Engine Oil Capacity (oz.) | 0 | Battery Amp Hours | 2 |
Line Diameter Measurement | 0.080-in | Amperage | 2 |
Shaft Length (Inches) | 43.5 | Cord Length (Inches) | 0 |
Features | |||
|---|---|---|---|
Assembly Required | Yes | Engine Horsepower | 0 |
Attachment Capable | No | Engine Oil Included | No |
Battery Included | Yes | Fuel Capacity (Fluid Oz.) | 0 |
Battery Recharge Time (Hours) | 2.75 | Line Feed | Bump |
Battery Run Time (Hours) | 0.5 | Line Included | Yes |
Brushless | Yes | Lowe's Exclusive | Yes |
Charger Included | Yes | Number of Batteries Included | 1 |
Corded/Cordless | Cordless | Refurbished | No |
Cutting Swath (Inches) | 12 | Single or Dual Line Feed | Dual |
Edger Conversion Capable | No | Voltage | 24 |
Compatibility | |||
|---|---|---|---|
Compatible Battery Type | Lithium ion (Li-ion) | ||
Warranty | |||
|---|---|---|---|
Warranty | 5-year limited | ||
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | No | Safety Listing | UL safety listing |
CARB Compliant | Yes | ||
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 27112700 | ||
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise the lightweight cordless design, surprising cutting power, and quiet operation, with most reporting high satisfaction for small to medium yards on a single charge. The ergonomic handling and convenience of cordless operation appeal to users switching from gas models. However, a notable group expresses frustration with the trimmer head design, citing difficulty opening the spool cover and inconsistent string feeding. Despite these drawbacks, most customers consider it a strong, practical alternative to heavier gas trimmers.
Customer review summary generated by AI, including incentivized reviews.C'mon Kobalt, You can do better!
I purchased the Kobalt 24 volt blower with the bonus battery and that tool has worked great for me for clean-up after mowing and trimming my large yard (very light blower and good power). I needed a new trimmer so when the 24 volt trimmer was available with the bonus battery, I jumped on it thinking that I would have 4 interchangeable batteries between the blower and trimmer. However, in putting the trimmer together you extend the trimmer shaft and the instructions tell you to insert two he...
From 24-volt 12-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
Variable Speed? Not Really.
This could be a great string trimmer. It's light, well balanced, and has a long enough shaft where I'm not suffering from low back pain from being slightly bent over every time I use it. My two complaints, and they're almost enough to make me return this thing, but I'm trying to have a backup to my gas operated tools so I'll keep it, are the so-called variable speed and the infuriating spool design. I like to run my gas trimmer kind of slow around things like basement windows, vehicles, an...
From 24-volt 12-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included) Verified Purchaser
More power than I expected.
Looking to get a cordless to replace my still running good but old corded trimmer. Tired of dragging the cord around. I compared the 24 volt to the 40 volt. It really depends on what you're cutting and how large an area. I dont really need anything like a 60 or 80 volt trimmer. I watched the 24 and 40 volt on Youtube and decided on the 24 volt. Watch this video on Youtube. ( Best Battery Powered String Trimmer For The Money! (THE TRUTH YOU WON'T ACCEPT). He does a lot of good reviews. He's cutt...
Great value
Make sure to purchase Model #KST 4024AB-03 which includes a free bonus additional 4.0ah battery for the same price (two 4.0ah batteries total). Mine had the same alignment issue as others when assembling. It was way off, but I simply loosened the hinge bolt a little, placed the trimmer across my lap and pressed down hard and they lined up perfectly so I could start the bolts. I’m coming from a Worx GT, and this is really a huge step up in power and rips through heavy grass with ease compared t...
From 24-volt 12-in Straight Shaft Battery String Trimmer 4.0 Ah (Battery Included) (Charger Included)
The right tool for the job.
I live on a small property, and for years have used a corded trimmer. However, I found that getting out 150' of extension cord, and then trying to move it around the different obstacles in my yard was not conducive to doing routine trimming. This tool changed that. Ease of use - This is a very easy tool, plug in the battery and off you go. Construction and Design - I feel it is well constructed for the price point. - I like that overall it has a very solid feeling to it. - I dislike that the...
Sweepstakes
Great value
Shopped around and read reviews for over 2 months before deciding. Was looking to replace a 20 year old corded trimmer and was getting tired of the 100' cord. Easy to assemble and charged battery overnight until fully charged. Also bought the 24 volt blower since Lowes had them on sale for $99.00 each [ that way I would have 2 batteries if needed]. Waited until the following weekend and did the trimming along the sidewalks, driveway house and fences, still had 2 bars left on battery. I live ...
Verified PurchaserSweepstakes
24 volt BO ELECTRIC TRIMMER
This machine functioned well for the use I have given it. Basically just a trial run or two. My only ''complaint'' is (and it is NOT A MFR'S FAULT) that it is cumbersome on my back as I do have a 'minor back problem', which is aggravating while working on a hill or steep slope. I will be trying out a belt rigging for over my shoulder to try abating the strain. I tried curing this problem by adjusting the hand grip bar; but I will keep trying. I have an electric trimmer and a gas trimmer and this...
Verified Purchaser
works good after i fixed it
as many other people i had the same issue with the hinge not lining up so the two screws could be installed. even after loosning the other three screw it would not line up to be assembled. had to retap the threaded holrd to get the screws to go in. then when using i bumped it to get the line to advance and it would not. Discovered the line was wrapped in the WRONG direction on the spool..so if you have a tap and die set and a SECURE star bit set and can follow the arrow on the line spool it will...
Hello Valued Lowe’s Customer, thanks for sharing. We would like to hear more about your experience to see how we can do better in the future. Please ...

Lightweight reasonable value with a few cons
Pros: uses the same battery as my other tool set and I've liked those for my needs. Reasonable price. Fairly lightweight compared to some other tools. Cons: Really blew through the initial spool in a half hour of use so maybe I needed a bigger machine - not sure. Battery power was fine though! The spool isn't the most fun to take apart if you don't know how it works. Reading the manual helped figure that out. The guard is maybe a little small - I'm not sure though. Many people don't like how t...
Verified Purchaser
Hello Valued Lowe’s Customer, we're sorry to hear that your purchase fell below expectations and would like to hear more about your experience to...

Just stopped working
Got this for a Father's Day gift one year when it was on sale with the combo of the blower. The string trimmer just stopped working. It ran out of string, so I put it down in the garage. Left it for a couple weeks. Then I decided to put string it in and when I tried to start it....nothing. I hear a click near the trimmer head each time I pull the trigger with the battery, but zero rotation. It's only a couple years old. I've had my gas trimmer for 10+ years and thought I'd be more Earth f...
Hello Valued Lowe’s Customer,
We are sorry for the experience you had with our product. Know that this is not what we expect from our products a...



Hello Valued Lowe’s Customer,
We're sorry to hear that your purchase fell below expectations and would like to hear more about your experie...