
Description
This Kobalt 40 volt Max multi-head string trimmer kit makes yard work a breeze. This string trimmer/s 15-inch cutting swath and dual side bump head makes it easy to advance the line for continuous use. Its variable-speed trigger allows you to set the power to suit the task for maximum control. It's part of the 40 V Max multi-head family of products and includes a 4.0 Ah battery and charger and is compatible with all Kobalt 40 volt Max tools and is backed by a 5-year limited warranty on the tool and a 3-year limited warranty on the battery and charger. Battery and charger included.
- Brushless motor offers increased power, longer run time and prolonged motor life
- 15-in cut swath and 2 speeds to complete the job quickly
- Dual side bump feed provides effortless line advancement
- Rapid-reload head for quick and easy line replacement
- Universal attachment compatibility
- Variable-speed trigger for precise control
- Premium dual 0.08-in line to quickly cut through grass and weeds
- 5 Year limited tool warranty and 3 year limited battery warranty
- Compatible with the Kobalt 40V Family of 45+ Outdoor Tools

Ecological Attributes
Using an electric tool generates significantly fewer greenhouse gases (GHGs) and air pollutants than a conventional model using gasoline. Also, the use of a plug instead of a battery reduces the impacts associated with its production and end-of-life.
Product specifications
Power Source
Battery
Adjustable Height
No
Assembly Required
Yes
Attachment Capable
Yes
Base Warranty Labor(Months)
60
Base Warranty Parts(Months)
60
Battery Amp Hours
4.0
Battery Included
Yes
Battery Recharge Time(hrs)
45
Battery Voltage
40-volt
Best Use
1/2 to 1 acre
Brushless
Yes
Charger Included
Yes
Commercial/residential
Residential
Cutting Swath(cm)
38.1
Cutting Swath (in)
15
Cutting Swath(mm)
381.0
Edger Capable
Yes
Fast Charger Included
No
File/Certification Number
N/A
Line Feed
Bump
Model Description
40-Volt 15in Att Capable String Trimmer Kit
Number Of Batteries Included
1
Package Contents
String Trimmer, Battery, Charger
Recommended Line Diameter(cm)
0.2032
Recommended Line Diameter (in)
0.080
Recommended Line Diameter(mm)
2.032
Refurbished
No
Safety Listing
cUL safety listing
Series Name
Gen4
Shaft Length(cm)
106.68
Shaft Length (in)
42
Shaft Length(mm)
1066.8
Shaft Type
Straight
Single Or Dual Line Feed
Dual
Type
Cordless Electric Power Head
Warranty
5-year limited
Weight (kg)
7.860888
Weight(lbs.)
17.33
Line Included
No
Frequently bought together
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Kobalt 40 V Max Cordless String Trimmer - Black and Blue with Battery and Charger is rated
out of
5 by
42.
Rated 5 out of
5
by
Tnglc from
Exceeded my expectations
I was skeptical on this purchase, thinking it would not be quite powerful enough to run other aftermarket attachments, but I am happy with the results. I have troybilt attachments from my 4-cycle and have tested the edger, pole saw(with extension), and hedge trimmer. All work fine. The only issue with them is the pole saw. If it gets in the slightest bind, be ready to have to yank it out. This was not an issue with gas powered, but I'm happy to deal with this as opposed to the issues with gas power and fuel delivery while using the saw. I also have the tiller, but it remains untested. The battery life is also good enough for my half acre with several trees and around 1000 feet of fencing.
Date published: 2022-05-11
Rated 1 out of
5
by
Disappointed from
Reload function is impossible
After my fifth reload, with each reload being harder and harder, it is now impossible to remove the part that holds the trimmer string. Total waste of money. They design it so you have to hold down two tabs that are about eight inches apart from one another, while pulling, to remove the cap you need to take off to replace the trimmer string. I have pretty big hands, but it was still nigh impossible even from the first reload to take this string off. Forgot to mention: After about three years of use, the bump feed cap shattered as well. Terribly made. Don’t buy this product.
Date published: 2022-05-14
Rated 4 out of
5
by
Packlover from
40 volt doesn’t last as long as the 80 volt.
[This review was collected as part of a promotion.] I like ease of changing attachments. This my second 40 volt trimmer. I like this one more. The new design handles better.
Date published: 2022-03-29
Rated 5 out of
5
by
Harold from
No more cranking or smelling exhaust fumes.
I love this attachment capable trimmer especially since it comes with a 4 ah battery and charger. No more pulling on a crank rope or smelling exhaust fumes.
Date published: 2022-03-22
Rated 5 out of
5
by
elguaposweater from
Reliable. Easy to use. Makes edging a breeze.
Super easy to use. Reliable. Works with aftermarket bump heads. I upgraded the bump head to one that has higher capacity string. The small head means I can squeeze into smaller spaces. Since the handle is compatible with other tools, I wish they would make tools like an edger available for purchase. Maybe they will do that in the future...?
Date published: 2022-07-10
Rated 5 out of
5
by
Harveyb from
Enough charge to cut my whole yard.
Battery holds a long charge. My yard is almost an acre and the battery still has 1/2 or more charge left when I get finished.
Date published: 2022-05-11
Rated 5 out of
5
by
Sheryl from
Assembly
I didn’t even get to try this product b/c assembling it was so difficult and the instructions were useless. They really need to dumb it down even more so those of us who aren’t used to this equipment can understand. I exchanged it for a Black & Decker which was a breeze to assemble compared to Kobalt Blue. The Kobalt Blue electric mower is AMAZING, though. I highly recommend that over the other brands.The edger just wasn’t good and not all of the preinstalled screws were included. It was just more of a hassle for me to be worth it.
Date published: 2022-05-21
Rated 4 out of
5
by
Meme from
Replace the line it comes with for higher quality
Liked the power. Didn’t like the line it came pre loaded with constantly getting stuck in the spool
Date published: 2022-04-21