Kobalt 40-volt Max 250-CFM 140-MPH Battery Handheld Leaf Blower (Battery Included)
Item #506889 |
Model #KHB 300-06
40-volt Lithium ion battery system for great performance and run time
140 MPH wind speed and 250 CFM allow you to sweep and gather debris with ease
Get started in seconds without the hassle of gas
This item is no longer sold on Lowes.com
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40-volt Lithium ion battery system for great performance and run time
140 MPH wind speed and 250 CFM allow you to sweep and gather debris with ease
Get started in seconds without the hassle of gas
Easy to maintain, no gas related routine maintenance
Variable speed trigger allows user to control air speed and power
Part of the Kobalt 40 Volt max team: 1 battery system compatible with 7 lawn care tools
Initial no-load voltage, when fully charged, peaks at 40 volts; nominal voltage under typical load is 36 volts
warranty | 5-year | variableSpeed | Yes |
baseWarrantyParts | 60 | powerSource | Battery |
baseWarrantyLabor | 60 | seriesName | N/A |
modelDescription | Kobalt 40 Volt Cordless Blower | batteryIncluded | Yes |
packageContents | Blower, air tube, battery, and battery charger | lowesExclusive | Yes |
type | Handheld | mulchingCapable | No |
usage | Light-duty | maximumAirVolume | 250 |
weight | 6.94 | brushless | No |
batteryVoltage | 40-volt max | maximumAirSpeed | 140 |
numberofBatteriesIncluded | 1 | CA Residents: Prop 65 Warning(s) | No |
startType | Push start | Sub-Brand | N/A |
vacuumKitIncluded | No | UNSPSC | 27112700 |
Ratings may include incentivized customer reviews.
What Customers Are Saying
The cordless electric blower is generally well-suited for basic tasks like clearing decks and garages, but may struggle with larger piles of leaves or heavy-duty yard work due to its limited power and battery life. Many users find it easy to use and convenient as a cordless option, but report the battery only lasts around 30 minutes per charge. Overall, the blower appears best suited for small, light-duty jobs.
Customer review summary generated by AI, including incentivized reviews.Short battery life
This blower works for only 10 minutes then the battery needs to be rechargered. It’s a waste of money
Sweepstakes
Don't Last Long.
I had first one replaced because it didn't work but twice. The second one has been used about 5 times and is less then a year old and battery/charger has quit working.
Sweepstakes
Recommendation: Yes, No, or Maybe
This is a helpful tool for removing leaves from a dry surface and convenient due to being battery powered. I purchased this blower because (1) I already owned the Kobalt 40-Volt Max 24-in Dual Cordless Hedge Trimmer which came with two batteries and (2) the blower was marked down to $30.00. Good for home use and easy for the wife to operate.
Verified Purchaser
Perfect for camping
Great blower, purchased this blower to take in our camper, Great for blowing your camping rug, and blowing off the Awning.
Short battery life
Battery life is 10-15 minutes!!! Very dissapointed. Volume is adequate.
Hello Walt
We are sorry to hear of your disappointment.
Depending on the speed/load the Kobalt 2Ah battery will provide up to up to 15 min...

Kobolt 40 volt leaf blower.
Easy to use, light weight. Battery needs more frequent recharges. Need 2 batteries if you have a large area to blow leaves.
Verified Purchaser
Battery has a short life span maybe 3 years.
I use the blower and a trimmer and interchange the batteries. In just over 3 years I have had 2 batteries fail during recharging. Do to the high replacement cost of the battery $99.00 each. I will probably switch to gas.
Hello RickB
We are sorry to hear that the battery is no longer functional. There are many possible scenarios that can affect the lifespan of a b...

Works OK on smooth surfaces, not so well on grass
This is a good tool for blowing dry leaves and grass off of your driveway or patio, and can also be used to blow clean truck beds, garage floors etc. but it gets a little challenged when blowing on dry grass, and forget about using it on wet grass. The battery lasts about 16 min at 2/3 throttle (I zip tied the lever and timed it). It blows almost as hard at 2/3 as at full throttle. I ended up returning it because I need something that performs on grass. I plan to try out the new medium duty blow...
Hello Durango92
We appreciate the feedback and thank you for continued support.
If you have any questions or just want to speak to a Kobal...

Here's The Lowedown on this blower...
Was tired of the heavier 2 cycle gas blowers - last couple I had were Husqvarna (RIP), so I gave this cordless one a try. Lighter weight & good velocity on a full charge - the CFM's diminish as the charge is depleted. Recharges in ~ an hour. Can't quite finish sidewalks and driveway on one charge, but I have a second LI battery from the Kobalt hedge trimmer I bought a couple years ago. I'm happy with the hedge trimmer, but I would not have bought this blower if the LI batteries were not inter...
Last years model.
Good price and typical Kobalt instant start no hassle use. Only complaints are it is heavy-ish to hold in one hand and at 40v max power, it produces a shrill pitched sound. Still glad I bought it vs gas or 100-ft extension cord.
Hello Mike
Thank you for your feedback! I will make sure to share it internally.
Please do not hesitate to share your thoughts and feedba...

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Hello There
Thank you for your review.
If there's anything specific you'd like to see improved about 40-volt Leaf Blower or anything else,...