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Kobalt (Lowe's) KMS 1024A-03

Battery String Trimmers / Battery General-Use String Trimmers Over 14 Inches
Recall notice

Consumer Reports is warning customers not to use Kobalt 24-volt batteries that have a USB-C charging port. In July 2026, Greenworks, which makes certain Kobalt products, recalled yard power tools, including trimmers, blowers, mowers, chainsaws, and pruning saws that use 24V Kobalt-branded batteries with a USB-C charging port, due to a fire hazard. The company received reports that batteries produced smoke, sparked, or caught fire while inserted in the tool and charging via the USB-C port. Affected model numbers can be found at the Consumer Product Safety Commission recall notice page. The batteries with a USB-C charging port come in 3.0Ah, 4.0Ah, 5.0Ah, 6.0Ah, and 8.0Ah. The 6.0Ah and 3.0Ah batteries were also sold separately from the tool.  

The CPSC is advising consumers to stop charging batteries through the USB-C port while batteries are inserted into yard power tools and to contact Greenworks Tools to receive a free replacement battery.

For more information, go to the CPSC recall notice.

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KMS 1024A-03
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This Kobalt (Lowe's) battery general-use string trimmers over 14 inche has a straight shaft and weighs 11.3 lbs. It uses dual 0.08-inch cutting lines on a 13-15-inch diameter head.
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Description
This Kobalt (Lowe's) battery general-use string trimmers over 14 inche has a straight shaft and weighs 11.3 lbs. It uses dual 0.08-inch cutting lines on a 13-15-inch diameter head.
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Kobalt (Lowe's) KMS 1024A-03
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CR's Expert Take

How did it perform in our owner surveys and expert lab testing?

Overall Score

The Overall Score for this model incorporates our expert lab test results, as well as ratings for that brand’s reliability and owner satisfaction from our annual product owner survey of members.
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Current Range of Tested Battery String Trimmers
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OWNER SURVEYS

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Predicted Reliability
 /  5
Owner Satisfaction
 /  5
Trimming
 /  5
Edging
 /  5
Tall grass and weeds
 /  5
Handling
 /  5
Ease of use
 /  5
Run time
 /  5
Charge time
 /  5
Noise
 /  5

About

The Kobalt (Lowe's) KMS 1024A-03 is part of the String Trimmers test program at Consumer Reports. In our lab tests, Battery String Trimmer models like the KMS 1024A-03 are rated on multiple criteria, such as those listed below.

Trimming: A high score means the string trimmer cuts grass quickly and cleanly. A top-scoring model makes trimming easier and faster.

Edging: A high score means the string trimmer cuts clean, vertical lines along edges like walkways and driveways. A top-scoring model makes it easier to achieve a tidy, professional-looking yard.

Tall grass and weeds: A high score means the string trimmer cuts through tall grass and weeds with ease. A top-scoring model handles tough overgrowth quickly, saving you time and effort.

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