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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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Set an alert for the Kobalt KHB 400B - Current lowest price: $124.00
Price History
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Price history for the Kobalt KHB 400B
Latest updates:
  • $124.00 - May 22, 2022
  • $129.00 - May 17, 2022
  • $134.00 - May 8, 2022
Data source: ebay.com
Since: May 8, 2022
  • Highest Price: $134.00 - May 8, 2022
  • Lowest Price: $124.00 - May 22, 2022

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 can force 500 cubic feet of air per minute (CFM) from its nozzle at a maximum 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) means that a user can operate the KHB 400B for an estimated 70 minutes on a full charge.
  • Handling: With its handheld design, this leaf blower was created with portability in mind. Most users will have no problem using it almost anywhere. At 5.7 lbs for the blower alone, the Kobalt KHB 400B is within the average weight range of cordless handheld blowers.
  • Speed Settings: Thanks to its 3 speed settings, the Kobalt KHB 400B allows the user to adjust the air output to the task in hand.

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.

  • Upon exiting the nozzle, the air can reach speeds of up to 125 MPH, which is pretty much what is to be expected 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.
  • Regarding its air volume, the airflow of the Kobalt KHB 400B can reach 500 CFM (Cubic Feet per Minute), which is on par with other cordless handheld blowers. If air volume is important to you, the EGO LB7654, with 765 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 cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget blower.

The bottom line

STRENGTHS:
  • Inexpensive
  • 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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