Kobalt 4-Gallon 40-volt Battery Operated Plastic Backpack Sprayer with Adjustable Spray Pattern
Item #2644068 |
Model #KSP 2040-06
40V backpack sprayer sprays up to 120 gallons per charge when paired with a 2 ah battery
Includes 5 different spray tips for various applications, double and single head tip, fan tip, four hole tip, and adjustable spray tip
The translucent tank lets you check your fluid levels quickly and easily
Heavy-duty padded shoulder and hip straps that are easily adjustable to fit comfortably while you work
25-foot spray distance
Up to 70 PSI
Convenient on-board wand storage
Compatible with any Kobalt 40V battery; 2.0 Ah battery and charger included
5 year limited tool and 3 year limited battery warranty
General | |||
|---|---|---|---|
Battery Voltage | 40-volt | Tank Material | Plastic |
Type | Backpack sprayer | Maximum PSI (PSI) | 70 |
Battery Type | Lithium-ion | Sprayer Rate | 1.05l |
Hose Material | Plastic | Wand Material | Plastic |
Battery Operated | Yes | ||
Dimensions | |||
|---|---|---|---|
Hose Length (Inches) | 47.24 | Wand Length (Inches) | 20.8 |
Tank Capacity (Gallons) | 4 | Weight (lbs.) | 9.9 |
Features | |||
|---|---|---|---|
Adjustable Spray Pattern | Yes | Kit | Yes |
ATV/UTV Mount | No | Pressure Release Valve | Yes |
Battery Included | Yes | Shoulder Strap Included | Yes |
Charger Included | Yes | ||
Compatibility | |||
|---|---|---|---|
Compatible with Ice Melt | Yes | Recommended for Lawn Chemicals | Yes |
Recommended for Staining | No | Recommended for Cleaning Chemicals | Yes |
Warranty | |||
|---|---|---|---|
Warranty | 5-year limited | ||
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | |||
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 21101800 | ||
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Ratings may include incentivized customer reviews.
What Customers Are Saying
The cordless lawn mower offers a quiet operation and lightweight design, making it easy to use. It provides sufficient power and battery life for small to medium-sized yards. However, some users report issues with the battery life not lasting as long as expected, especially when mowing taller or thicker grass. A few customers have also experienced mechanical failures like wheels falling off or the mower stopping unexpectedly.
Customer review summary generated by AI, including incentivized reviews.Great deal
This one works great and had several nozzles for different applications. I highly recommend this model. I bought the hand held sprayer and it was total junk. 1st time I used it it broke in one of the lock down points. Sisters did the exact same thing.
Verified Purchaser
used once then leaks everywhere
used once and when we went back to use the next time there were leaks everywhere. Hopefully kobalt fixes this issue on newer models. I see they went to an 80v battery. the battery was not the problem. it lasted forever when used with the sprayer.
Worked one time.
Purchase in April, used it or the first time in June. Tried to use it again in August but it wouldn't work. Will not attempt to power up. Battery is at full charge. Never had a problem with any of my other Kobalt accessories.
Verified Purchaser
Hello Shannon. We are sorry to hear that the unit has not fully met your expectations, and you have experienced a few issues. For troubleshooting and...

Tank Leaks
In general I love all my Kobalt tools but this 4 gallon tank sprayer barely made it 1 year before the tank started leaking. The leaks are coming out where the screws attach the frame to the tank. Looks like a quality control issue to me. Perhaps they should have a recall.
sprayer and batteries are fine,
that sprays for a long time on the 2.0 battery The problem is with the harness and plastic parts that go with it My harness is ripped apart My plastic clasps have broke when I got it The screws attaching the harness at penetrated through the tank and was leaking I had to caulk them but if he can get around that it's a decent sprayer
Working so far
On/off switch location makes it impossible to use while it’s on your back.
Verified Purchaser
BEAST MODE
My fiancé has this. He’s a commercial landscaper and he loves the amount of weed killer he can put in this.
Verified Purchaser
Great Product
Price is kind of high but works better than I figured it would. purchased this to treat our yard for flea and tick. the spray pattern is very wide. Coverage was great. Very pleased with it.
no problem with the sprayer
there is no problem with it spraying. it was cheap plastic parts that broke easily. the backpack straps that tore the second time I used it. a few screws that were used to attach the back straps penetrated the plastic and leaked I had to caulk the inside of the tank over the screw heads to stop the leaks.
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Hello Hilary. Thank you for your review. It is unfortunate that you have experienced this issue. We ask you please give us a call at 1-888-3KOBALT (...