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Shark Cordless Vacuum Cleaner with HEPA Filter, PowerDetect Clean & Empty, Powerful Suction, Auto-Empty System, Pet Hair Pickup, Carpets & Hardfloor, Dark Gray, IP3251

4.3 4.3 out of 5 stars 475 ratings
$401.57
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Style: PowerDetect with Auto-Empty
Brand Shark
Special Feature Lightweight, Cordless, Headlight, Washable Filter, HEPA
Filter Type HEPA Filter
Included Components Odor Neutralizer Cartridge, Pet Multi-Tool, Crevice Tool
Is Cordless? Yes
Surface Recommendation
All floors
Power Source
Battery Powered
Voltage
21.6 Volts
Item Weight
18.48 Pounds

About this item

  • THE BEST DEBRIS CLEANING* OF ANY CORDLESS VACUUM: Shark’s most advanced cordless powered by our best cordless suction**. (*Based on Geomean of ASTMF2607 and IEC62885-2(5.5) vs. cordless market)(**Based on ASTM F558, measured at the handvac in Boost mode)
  • ALWAYS READY, ALWAYS CHARGED: Automatically empties and charges the vacuum while docked, so it’s always ready for the next clean. No more manual emptying after every clean.​
  • LOCKS AWAY DIRT FOR UP TO 45 DAYS: Seals away fine dust, debris, allergens, and odors after every clean.
  • DESIGNED TO CAPTURE MORE* DIRT, DUST, & DEBRIS: Shark’s redesigned DuoClean Detect nozzle features 2X brushrolls for ALL floors* and ULTRA-POWERFUL hair pickup.(*vs. original DuoClean nozzle)
  • 4X INTELLIGENT TECHNOLOGIES THAT DETECT & REACT TO YOUR HOME: While vacuuming, PowerDetect will detect hidden dirt, edges & corners, carpets & floors, and cleaning direction then automatically boosts power when dirt & debris are detected.
  • CLEAN FASTER* WITH DIRECTIONDETECT TECHNOLOGY: While most vacuums tackle debris on the forward pass only, the DuoClean Detect nozzle has forward AND reverse debris pickup for faster cleaning.(*vs. Shark Stratos IZ862H)
  • EASILY REACH UNDER FURNITURE: MultiFLEX technology allows you to bend the wand to clean under furniture, or fold it over for compact, flex storage.
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From the manufacturer

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IP3251

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Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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Shark Cordless Vacuum Cleaner with HEPA Filter, PowerDetect Clean & Empty, Powerful Suction, Auto-Empty System, Pet Hair Pickup, Carpets & Hardfloor, Dark Gray, IP3251

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Product Description

The Shark PowerDetect Clean & Empty (IP3251) system is the ultimate cordless solution for powerful, intelligent, whole-home deep cleaning. It features an Auto-Empty system that charges & empties your vacuum after every clean and holds up to 45 days of dirt and debris. PowerDetect is powered by Shark’s most powerful cordless suction* PLUS a redesigned DuoClean Detect nozzle with dirt-detecting intelligence and direction detect technology, making it THE BEST debris cleaning** of ANY cordless vacuum. While most vacuums push around debris in the back-stroke, the redesigned DuoClean Detect nozzle eliminates this problem by capturing more*** dirt, dust, and debris in forward AND reverse for faster cleaning****. PowerDetect has an impressive 70min of runtime***** and a MultiFlex wand for effortless under-furniture reach and flex storage.(*Based on ASTM F558, measured at the hand vacuum, tested in Boost mode)(**Based on Geomean of ASTM F2607, and IEC62885-2 (5.5) vs cordless market)( ***vs. original DuoClean nozzle)( ****vs. Shark Stratos IZ862H)( *****measured at the handvac in ECO mode)

Top Brand: Shark

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Price$401.57$349.96$429.99-25% $149.99
List: $199.99		-20% $599.99
List: $749.99		-15% $169.99
List: $199.99
Delivery
Get it as soon as Wednesday, Mar 26
Get it as soon as Wednesday, Mar 26
Get it as soon as Wednesday, Mar 26
Get it as soon as Wednesday, Mar 26
Get it as soon as Wednesday, Mar 26
Get it as soon as Wednesday, Mar 26
Customer Ratings
4.34.3 out of 5 stars475
4.34.3 out of 5 stars591
4.34.3 out of 5 stars475
4.34.3 out of 5 stars5,334
4.34.3 out of 5 stars961
4.44.4 out of 5 stars25,344
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Customer reviews

4.3 out of 5 stars
475 global ratings

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Customers say

Customers find that the vacuum cleaner has impressive suction power and can clean a good amount of space. They find it easy to use and setup, with a separate battery. The self-emptying feature is also appreciated.

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Suction powerEase of cleaningEase of useBattery lifeWorks wellSelf-emptying featureWeightCordless design
99 customers mention "Suction power"78 positive21 negative

Customers appreciate the vacuum cleaner's suction power. They find it has good power, with a dirt sensor that adjusts the suction power automatically according to dirt levels. The battery meter is helpful and the vacuum starts up right away.

"...It has great suction and auto detect features that detect the soil in the carpet and adjust the suction until all of the dirt/debris is removed...." Read more

"...It changes the suction when you go against the wall or backward, allowing you to get it done with fewer passes..." Read more

"...Handle detaches at many spots to give wide array of options. Suction power is so strong, it does struggle with rugs." Read more

"...it has a dirt detect and will automatically change the suction power depending on the dirt...." Read more

61 customers mention "Ease of cleaning"48 positive13 negative

Customers appreciate the vacuum cleaner's ease of cleaning. They find it convenient not to have to constantly clean out the dust bin, and they can clean a good amount of space in regular mode. The dust cup is easy to empty, and the filters are washable. It does a great job sucking up debris without getting stuck.

"...of pet hair (German Shepherd), large crumbs (toddler), being easy to empty the bin without making a mess (again, toddler) and with a long lasting..." Read more

"...The dust cup is easy to empty. The filters are a little tricky to remove and clean. But once you get the hang of it, it is a breeze...." Read more

"...Pros : If you use the ‘regular’ mode you will be able to clean a good amount of space, I was able to vacuum 1,700 sq ft and it was not even halfway..." Read more

"...it as new product not used but when I opened it the plastic wrap around it are full of dirt and I wouldn’t mind it if it’s just a plastic but in the..." Read more

49 customers mention "Ease of use"40 positive9 negative

Customers appreciate the vacuum cleaner's ease of use. They find it quiet, easy to use, and convenient. The roller is easy to remove and reinstall.

"...Probably longer on eco mode. Has a lot of attachments that make it easy. Handle detaches at many spots to give wide array of options...." Read more

"...The roller is easy to remove and reinstall. I have been using this thing for about a month now. I hope it lasts..." Read more

"This vacuum and auto empty bin is sooo convenient and works sooo well that I might have become a fan of the Shark product line overnight...." Read more

"...on hands and knees… it does the d*mn thing, it’s just so quiet and easy it doesn’t seem like it. Cons:..." Read more

48 customers mention "Battery life"35 positive13 negative

Customers appreciate the vacuum cleaner's battery life. They find it satisfactory, with an eco mode that extends the battery life. The lightweight design and ability to clean throughout the house are also praised. However, some customers mention that the battery lasts only 30 minutes at best. The removable battery is convenient, and there are third-party batteries available.

"...making a mess (again, toddler) and with a long lasting battery for whole house vacuuming (approx 2k sqft). THIS VACUUM DOES IT ALL...." Read more

"...and it still had battery life left and I could have kept going...." Read more

"...Battery lasts about an hour on detect mode. Probably longer on eco mode. Has a lot of attachments that make it easy...." Read more

"...that was because I cleaned with the turbo mode on it and drained the battery VERY fast...." Read more

47 customers mention "Works well"38 positive9 negative

Customers find that the vacuum cleaner works well. It has convenient features like a bin and impressive functions like PowerDetect and EcoBoost. They say it runs smoothly on bare floors or thin carpets, gets under furniture, and can clean dog hair effectively. The anti-hair wrap and EcoBoost also work well, making it efficient across different floor types.

"...roller head easily transitions between hard floor and carpet and does great on both...." Read more

"...settings, so I was using it on the auto-detect feature, and it worked really well, not super loud, but when it detects "dirt" it does get a little..." Read more

"...We live on sand and it does great at not only getting that up, but crumbs, cat litter and anything else...." Read more

"...Yes, it has reverse detection, which is great. Eco-boost also works. In the video they show some kind of kibble on the floor being sucked right up...." Read more

42 customers mention "Self-emptying feature"39 positive3 negative

Customers appreciate the vacuum cleaner's self-emptying feature. They find it convenient and say it saves them time. The auto-empty system is better than expected, and the 2L base with an odor neutralizer is also appreciated.

"...on my floors without getting clogged and pushing stuff around, the auto empty bin makes that a breeze, and the roller head easily transitions..." Read more

"...The auto-empty is a nice feature as well, and for me, it's just an added bonus because I don't mind having to dump the canister after every use......" Read more

"...No more dust clouds. It automatically empties to a 2L base which also has an odor neutralizer...." Read more

"...The “auto empty” feature is really nice bonus. But like any vacuum with pets, maintenance is key!..." Read more

37 customers mention "Weight"27 positive10 negative

Customers appreciate the vacuum cleaner's lightweight design. They find it easy to use and charge.

"Lightweight for Cordless vacuums. We live on sand and it does great at not only getting that up, but crumbs, cat litter and anything else...." Read more

"...The filters are washable and reusable - love it. The vacuum is lightweight and pretty easy to maneuver...." Read more

"...charge will probably last longer than your wrists; this is not a super light machine...." Read more

"...It's light-weight and not noisy like the Dyson. I simply could not be happier and the price point was within budget...." Read more

28 customers mention "Cordless design"28 positive0 negative

Customers appreciate the cordless design of the vacuum cleaner. They find it convenient and powerful, allowing them to clean cars, stairs, and other hard-to-reach areas. The compact size allows maneuverability in tight spaces that other cleaners can't access.

"...Cordless. It gives a run time of around 70 minutes although I haven’t tested its run time...." Read more

"...I’ve had this vacuum for a few months and love the convenience and cordless aspect. The dock is convenient, compact and sensible in design...." Read more

"I love the cordless option and self-dumping feature of this vacuum. The lights really help to locate dirt/hair/debris on the floor...." Read more

"Best vacuum ever! I actually don’t mind vacuuming. There’s no plug to drag around, it maneuvers in places that other cleaners can’t, it’s..." Read more

Great vacuum but do clean the roller
4 out of 5 stars
Great vacuum but do clean the roller
Overall, this vacuum is fabulous. I love how the base sucks the dirt out of the vacuum, and I only have to dump the base every few weeks. Compared to my last stick vacuum (Tineco A11 Hero, wimpy & fragile), this is amazing! It goes from hard floor to area rug, adapting to different conditions and picking up lots of dirt. Great suction. True, you can't use it on a small, loose rug, and you'd better not roll over a thin cord, because it grabs them. It has great runtime and picks up far more than I expected for a cordless stick vac. Highly recommend!One caution - check the dirt around the fabric roller. I had not checked it and have used this vacuum frequently for the past two months. It sounded wrong today, so I looked at the roller and found a solid mat of grey yuck. It looked like a felt pad, and I could not remove the smaller roller. After exploring it with needle-nose pliers, I realized the felt was dust, a little grass, and a lot of wool fibers from a large area rug. I had to pick that out of a long part that had plastic teeth underneath the "felt" and eventually pulled enough of the material out that the roller came out when released. See photos. There was a firm 1/4" thick mat of felted dirt + fibers behind the roller. Now that the dirt mat is gone, the vac sounds happier and runs fine.
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Top reviews from the United States

  • Natalie
    5.0 out of 5 stars BEST VACUUM
    Reviewed in the United States on February 24, 2025
    Style: PowerDetect with Auto-EmptyVerified Purchase
    I tried 3 other stick vacuums before this one, and this outperforms each one, no contest. I tried the Dyson V15 Detect, the Bissel Cleanview XR Pet, and the Shark Cordless Pet Pro before this one, and none of them did everything I needed as far as easily switching from hard floor to carpet, picking up loads of pet hair (German Shepherd), large crumbs (toddler), being easy to empty the bin without making a mess (again, toddler) and with a long lasting battery for whole house vacuuming (approx 2k sqft). THIS VACUUM DOES IT ALL. I can vacuum my whole house with plenty of battery life left over, it picks up everything on my floors without getting clogged and pushing stuff around, the auto empty bin makes that a breeze, and the roller head easily transitions between hard floor and carpet and does great on both. I never thought I could love a vacuum so much, but I'm so happy with this guy, it's gonna make keeping my house clean so much easier. HIGHLY recommend 👌🏼
    25 people found this helpful
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  • Robert Bresky
    5.0 out of 5 stars Great Cordless Sweeper/Vacuum
    Reviewed in the United States on February 6, 2025
    Style: PowerDetectVerified Purchase
    I have had a similar model of the Shark cordless sweeper for over five years. It just started giving me issues with maybe overheating and stopping. I decided it was time to get another sweeper. I like the idea of cordless because you don't have to deal with long cords, tripping and puppies who decide it's fun to play with the cords. This sweeper, although a bit pricey, seems to be everything that I would expect it to be. It has great suction and auto detect features that detect the soil in the carpet and adjust the suction until all of the dirt/debris is removed. The sensor lights on the back of the sweeper change colors to from white, to pale purple to violet indicating when the carpet is clean. White indicating clean and violet indicating soiled. I like that the sweeper extracts dirt from the carpet with every motion... both forward and backward. It is necessary to clean the filters after each use. Although a little bit of a pain, it is worth it to keep the sweeper functioning at peak performance. The dust cup is easy to empty. The filters are a little tricky to remove and clean. But once you get the hang of it, it is a breeze. I did order and extra battery for the unit. I haven't had to use it yet, but I feel it is worth the extra money for peace of mind in knowing that I have a back-up should I need more cleaning time that the first battery allowed. I usually am able to get about 30-35 minutes of continuous use from one battery. I think the box says 70 minutes... but that is on very low suction eco mode. If you don't want to use the auto features of the sweeper, there is a trigger on the handle that you can operate that allows you to switch from one mode to another manually. It is easy to remove the floor sweeper part to use only the hand vacuum with attachments to clean furniture or stairs. So far, I am happy with my purchase even though a bit pricey.
    7 people found this helpful
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  • Kalei O.
    5.0 out of 5 stars Shark Cordless Vacuum... YES!
    Reviewed in the United States on October 17, 2024
    Style: PowerDetect with Auto-EmptyVerified Purchase
    Listen, I write reviews so people can get an honest (completely my opinion) based review. I write reviews for pretty much everything I purchase, especially if I was going back and forth with myself before buying because the reviews are all over the place or if there aren't many reviews to base a purchase off of.
    I am going to start by prefacing that I am typically THE CHEAPEST person when it comes to buying things, because I am not rich nor do I have time to get products that simply do not work as described, send them back, etc. SO, I'd rather get it right the first time, usually from reading others' reviews.

    I purchased this Shark Cordless Vacuum, not because it's the newest one out on the market, but because after spending HOURS and even DAYS researching different cordless vacuums, this one stuck out to me for the amazing suction it has, even on the ECO setting.

    When I first used the vacuum, I was not familiar with the settings, so I was using it on the auto-detect feature, and it worked really well, not super loud, but when it detects "dirt" it does get a little louder, not much though. It died fairly quickly on that setting though, but I was able to vacuum my living room and kitchen completely. (I have a 1,500 sq. ft. house).

    The next day, I did it on ECO mode, and it seemed to pick up everything even though the suction/vacuum sounds extremely low or like it's not picking anything up. But it was ! I made sure to vacuum rooms I didn't vacuum the day before just to make sure. I did use all 3 settings, ECO, the high setting, and auto-detect... it lasted the whole time I vacuumed. I did 2 bedrooms, the living room, the hallway, the kitchen, etc. and it still had battery life left and I could have kept going.

    I waited to buy this until Prime Day and to be honest, I almost backed out, because even on sale, it was $400. BUT, my birthday was coming up and since having my kids, I never buy myself anything nice anymore, so I decided to purchase this vacuum, and I love it! I've used it every day since I've gotten it, mainly for fun at this point, because I have an obsession with vacuuming anyways. I've never owned a cordless vacuum before, and after my research, it seems like ALL cordless vacuums have poor battery life. I still love my bagless Eureka corded vacuum ($60 on sale), but I needed something that was more flexible and able to fit into smaller spaces. The auto-empty is a nice feature as well, and for me, it's just an added bonus because I don't mind having to dump the canister after every use... now I don't have to, it does it for me!

    If you're debating on a stick cordless vacuum that has a powerful suction, THIS IS THE ONE FOR YOU, coming from a girl who has owned several (cheaper) vacuums... this one will not disappoint!
    154 people found this helpful
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