Skip to Main Content
Home & Garden Food Safety Cars Best Time To Buy Repair or Replace Home & Garden
AskCR Try AskCR

Suggested Searches

Recent Searches

Suggested Searches

Product Ratings

Resources

Chat With AskCR

Resources

All Products A-Z
Your membership has expired

The payment for your account couldn't be processed or you've canceled your account with us.

Re-activate
Join Now Upgrade Donate

Kobalt (Lowe's) KHB 4224A-03

Leaf Blowers / Battery Handheld Blowers
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.

0-gallery-image
0-gallery-image
1-gallery-image
KHB 4224A-03
Shop
This Kobalt (Lowe's) 24V battery handheld leaf blower weighs about 6 lbs., and lacks vacuum capability. It comes with a 5-year warranty.
PRICE
Shop 2 Retailers
Description
This Kobalt (Lowe's) 24V battery handheld leaf blower weighs about 6 lbs., and lacks vacuum capability. It comes with a 5-year warranty.
Pros & Cons
Unlock full review and ratings with membership.
Kobalt (Lowe's) KHB 4224A-03
Shop 2 Retailers

Become a member to compare products & get access to ratings.

We investigate, research and test so you can choose with confidence.

Become a Member
leaf-blowers

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.
 Unlock ratingswith membership.
Current Range of Tested Leaf Blowers
What goes into the Overall Score?

OWNER SURVEYS

Predicted Reliability
 /  5
Owner Satisfaction
 /  5
Sweeping
 /  5
Loosening
 /  5
Power
 /  5
Handling and ease of use
 /  5
Run time
 /  5
Charge time
 /  5
Noise at ear
 /  5
Noise at 50 ft.
 /  5

About

Sweeping: Indicates the speed of moving a pile of leaves.
Loosening: Indicates the speed of removing embedded leaf particles from the lawn.
Vacuuming: Reflects how quickly and effectively models with vacuum capability pick up leaves and how finely they are mulched.
Handling and ease of use: Includes ease of maneuvering, using controls, and changing modes.
Noise at ear: Blower-mode noise is based on our measurements at the operator’s ear level. Models rated Fair or Poor at ear level emitted at least 85 dBA, loud enough to warrant hearing protection.
Noise at 50 feet: Blower-mode noise is based on industry-standard measurements at 50 feet. Models rated Very Good or Excellent at 50 feet should meet common municipal limits of 65 decibels (dBA).

Price & Shop