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Kobalt KHB 400B Spec Review

The Kobalt KHB 400B is a cordless handheld leaf blower delivering 500 CFM at 125 MPH. It is powered by a 80 V Li-ion battery. (Read full specs)

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Kobalt KHB400B 500 CFM Cordless BlowerKobalt KHB400B 500 CFM Cordless BlowerKobalt KHB400B 500 CFM Cordless BlowerKobalt KHB400B 500 CFM Cordless Blower
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Features and Specifications

Type
Type Cordless
Handling Handheld
CFM Up to 500
MPH Up to 125
Blowing Force N/A
Engine
BrushlessYes
Voltage80 V
Speed settings 3
Features
Battery Li-ion
Autonomy 70 mins
Vacuum No
Misc
Battery included 0
Weight (tool only)5.7 lbs
Noise rating N/A
Warranty 5 years

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue. Should you wish more detailed specs on the Kobalt KHB400B, the user manual is available here (opens in a new tab).

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Description

Overview of the Kobalt KHB 400B

The Kobalt KHB 400B in use

The Kobalt KHB 400B

  • Power: The Kobalt KHB 400B is a cordless blower with a maximum air volume rating of 500 cubic feet per minute (CFM) and an air speed of 125 MPH.
  • Power delivery: This blower has a brushless, battery-operated motor. Thus, the user won’t have to worry about tripping over pesky cords when they’re busy working their lawn.
  • Battery: Its 2 Ah 80 V Li-ion battery (battery not included) offers a maximum autonomy of 70 minutes on a full charge.
  • Handling: For those who are looking for a portable and convenient leaf blower, this model is a strong candidate. It’s designed for easy handling and use, and its size means it’s easily carried and stored. At 5.7 lbs for the blower alone, the Kobalt KHB 400B is within the average weight range of cordless handheld blowers.
  • Speed Settings: With 3 speed settings, this blower’s output can be set to meet the needs of jobs big or small.

Product Video

The Kobalt KHB 400B's performance versus other blowers

The following charts are provided to give you an idea how the key specs of the Kobalt KHB 400B compare with similar leaf blowers.

  • The Kobalt KHB 400B expels air at speeds up to 125 MPH, making it standard in terms of air speed for battery-operated handheld blowers. If you wish to benefit from air expelled at the fastest possible speed, the Makita XBU01PT and its 208 MPH could be an option to consider.
  • The KHB 400B is average in terms of air volume. It's rated at 500 CFM, which is common for cordless handheld blowers. If air volume is important to you, the CAT DG651, with 800 CFM, could be in your good books.
  • Thanks to its autonomy of up to 70 mins, the KHB 400B benefits from a higher run time than many cordless handheld units. If autonomy is an important factor for you, the Toro 51822 can run for up to 140 minutes and could be worth considering.

Price comparison

As you can see from this interactive chart, when compared to other cordless blowers, the Kobalt KHB 400B is on the average side of the price range.

Therefore, this blower nicely fits in the expected budget for this kind of product.

The bottom line

STRENGTHS:
  • In the expected price range
  • Brushless motor
  • 5 year (limited) warranty
  • Excellent autonomy (70 mins)
AVERAGE SPECS:
  • Decent weight (5.7 lbs)
  • Decent CFM (500 CFM)
  • Decent MPH (125 MPH)
WEAKNESSES:
  • Battery not included

Do you own the Kobalt KHB 400B and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

About Kobalt

Kobalt is an American brand launched in 1998. Kobalt is the product of a partnership between Lowe’s, a leading seller of home improvement and outdoor products, and J.H. Williams, which is one of Lowe’s primary manufacturers. As one of Lowe’s primary outdoor equipment brands, Kobalt has positioned itself to be a major competitor of Craftsman, Husky, and other similar popular brands.

Warranty Information

The Kobalt KHB 400B is covered under a warranty for up to 5 years. This warranty may not cover all parts of the blower.
For more information about the warranty of Kobalt blowers, please consult Kobalt's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-888-3-KOBALT (888-356-2258).

Questions & Answers

Where to find a replacement battery? (Asked June 8, 2020)

Kobalt's 80V battery can easily be bought online. See it on Amazon (opens in a new tab).

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