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Shark Clean & Empty Cordless Stick Vacuum & Auto-Empty System with PowerFins Brushroll BU3521: Bagless, 40 Min Run Time

Shark Clean & Empty Cordless Stick Vacuum & Auto-Empty System with PowerFins Brushroll BU3521: Bagless, 40 Min Run Time - image 1 of 4
Shark Clean & Empty Cordless Stick Vacuum & Auto-Empty System with PowerFins Brushroll BU3521: Bagless, 40 Min Run Time - image 2 of 4
Shark Clean & Empty Cordless Stick Vacuum & Auto-Empty System with PowerFins Brushroll BU3521: Bagless, 40 Min Run Time - image 3 of 4
Shark Clean & Empty Cordless Stick Vacuum & Auto-Empty System with PowerFins Brushroll BU3521: Bagless, 40 Min Run Time - image 4 of 4
Shark Clean & Empty Cordless Stick Vacuum & Auto-Empty System with PowerFins Brushroll BU3521: Bagless, 40 Min Run Time - image 1 of 4
$349.99 when purchased online
Target Online store #3991

About this item

Highlights

  • AUTOMATICALLY CHARGES & EMPTIES AFTER EVERY CLEAN: Return the vac to its charging dock, where it automatically empties into the base. After every clean: no more dirt on your hands, no more dust clouds in your home, no more cleaning after you clean.
  • LIGHTWEIGHT MANEUVERABILITY: The redesigned cordless vacuum is 30% lighter vs. Shark® Vertex® Pro.
  • REMOVABLE HANDVAC: Transforms into handheld vacuum for lightweight above floor cleaning.
  • UP TO 40 MINUTES OF RUNTIME*: Deep clean your whole home with up to 40 minutes* of runtime. (*In ECO mode, measured at the hand vacuum.)
  • UP TO 500X LESS DUST EXPOSURE** VS. TRADITIONAL EMPTYING: Fine dust and debris get sealed away after every clean, keeping them out of the air you breathe-- no more dust clouds. (*Based on third party-plume testing while emptying vs. Shark® Navigator® upright manual empty US/CAN NV130.)
  • HEPA FILTRATION AND ANTI-ALLERGEN COMPLETE SEAL: Captures and traps over 99.97%* of dust and allergens. (*Based on ASTMF1977, down to .3 microns. Allergens refers to non-living matter.)
  • AUTO-ADJUSTS TO FLOOR TYPES: Auto-adjusting & Multi- surface brushroll, optimizes brushroll speed for deep carpet cleaning and directly engages hard floors.
  • QUIET MODE: Provides the option to dock & charge silently, and leave the emptying for later.
  • LED HEADLIGHTS: Powerful LED lights on the nozzle reveal hidden debris around your home.

Description

Meet the new Shark Clean & Empty Cordless Stick Vacuum Cleaner & Auto-Empty System. Clean & Empty features a redesigned 1.3L auto-empty base and a lightweight design for versatile cleaning. With the auto-empty system, cleaning convenience is optimized; Always Charged, Always Empty & ready for the next clean. Inside the base, fine dust and debris is captured after every clean, leaving them out of the air you breathe- Up to 500x less dust exposure*. (*Based on third party-plume testing while emptying vs. Shark® Navigator® upright manual empty US/CAN NV130.) Clean & Empty has up to 40 minutes of runtime* (*in ECO mode, measured at the hand vacuum) with nozzle technology to auto-adjust to floor type, optimizing brushroll speed for deep carpet cleaning. The Powerfins® multi-surface brushroll gives you continuous cleaning contact to dig deep into carpets & directly engage hard floors with self-cleaning brushroll technology allowing for no hair wrap.
Dimensions (Overall): 43.5 Inches (H) x 10.43 Inches (W) x 14.69 Inches (D)
Weight: 11.24 Pounds
Features: Cordless, Converts to Handheld, Self-Cleaning Brushroll, Headlight, Rechargeable, Anti Allergen Seal
Capacity (Volume): 1.3 Liter
Model #: BU3521
Run Time: 40 Minutes
Wattage Required: 180 Watts
Number of Speeds: 2
Bag Type: Bagless
Cleaning Path Width: 10.43 Inches
Recommended Surface Application: Hardwood, Hard Floor, Multi-Surface, Carpet
Filter Type: Foam
Hose Length: 0 Inches
Power Source: Battery
Battery: 1 Non-Universal Lithium Ion, Required, Included
Warranty: 5 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, please call Target Guest Services at 1-800-591-3869
TCIN: 90571476
UPC: 622356647465
Item Number (DPCI): 329-00-5466
Origin: Imported
WARNING: Cancer and Reproductive Harm—www.P65Warnings.ca.gov www.p65warnings.ca.gov
If the item details above aren’t accurate or complete, we want to know about it.

Shipping details

Estimated ship dimensions: 28.8 inches length x 14.3 inches width x 10.4 inches height
Estimated ship weight: 18 pounds
We regret that this item cannot be shipped to PO Boxes.
This item cannot be shipped to the following locations: American Samoa (see also separate entry under AS), Guam (see also separate entry under GU), Northern Mariana Islands, Puerto Rico (see also separate entry under PR), United States Minor Outlying Islands, Virgin Islands, U.S., APO/FPO

Return details

This item must be returned to any Target store.
This item must be returned within 90 days of the date it was purchased in store, shipped, delivered by a Shipt shopper, or made ready for pickup.
See the return policy for complete information.

Q: how many batteries does it come with

submitted by tom taylor - 6 months ago
  • A: Battery: 1 Non-Universal Lithium Ion, Required, Included

    submitted byLmurphy418 - 2 months ago
  • A: The Shark comes with one removable rechargeable battery.

    submitted bySharkNinja Product Expert - 2 months ago
    Brand expert

Q: Do you need to hold the "trigger" on the base constantly? - or do you hit a power button and that's all.

submitted by ionicbond007 - 1 month ago
  • A: Press the button on the control panel on the back of the handheld vacuum to turn on power. To turn off power, press the button again.

    submitted bySharkNinja Product Expert - 7 days ago
    Brand expert

Q: Can you manually empty the vacuum or do you have to auto empty?

submitted by JT - 2 months ago
  • A: The dust cup will automatically empty once docked. To manual empty the dust cup, detach the handheld vacuum from the wand by pressing the wand release button. Position the dust cup over a trash receptacle, then press the dust cup release button on the left side on the handheld vacuum.. Tap gently to empty contents. Remove any debris or hair from the cone-shaped screen inside the dust cup. Wipe the interior of the dust cup clean if needed. Close the dust cup door, pressing it until it clicks into place.

    submitted bySharkNinja Product Expert - 25 days ago
    Brand expert

Q: do you have to hold a button down while vacuming? I saw another brand that you did.

submitted by TazD - 2 months ago
  • A: Just press the power button on the control panel on the back of the handheld vacuum to turn on power. To turn off power, press the button again.

    submitted bySharkNinja Product Expert - 25 days ago
    Brand expert

Q: How loud is it while using?

submitted by Nana - 4 months ago
  • A: The decibel level isn't available; however, it does have a 240 watt motor.

    submitted bySharkNinja Product Expert - 2 months ago
    Brand expert

Q: Do the filters need to be replaced.

submitted by Bubbita23 - 4 months ago
  • A: The filters for this vacuum are washable by rinsing them with water. Once down, allow them to air-dry completely for up to 48 hours before reinstalling to prevent liquid from being drawn into electric parts.

    submitted bySharkNinja Product Expert - 2 months ago
    Brand expert

Q: Can the battery be removed andcharged on its own

submitted by PRETTY GOOD - 7 days ago

Summary of reviews

The Shark Clean and Empty Cordless Stick Vacuum has garnered high praise for its powerful suction, lightweight design, and innovative self-emptying feature. Guests appreciate its ability to tackle pet hair and dirt on various floor types with ease. The vacuum's cordless functionality and user-friendly design make it a convenient choice for busy households. With a removable battery and versatile attachments, it stands out as a reliable cleaning tool for families and pet owners alike.
    Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
    4.7 out of 5 stars with 142 reviews
    50% would recommend
    2 recommendations

    Light and empties itself. Totally recommend.

    5 out of 5 stars
    EVEV - 9 days ago
    originally posted on sharkninja.com
    We've had for two weeks now and so far very happy. Lightweight is an added bonus. Our son has a different brand of stick vacuum and the difference is amazing. The fact that it empties into a bin after each use is another added bonus. We have mostly hardwood floors with a few area rugs and it automatically powers up for the rugs and back down for the floor. It picks up cat litter better than expected, but it's not perfect...but I'm still giving it 5 stars.
    Did you find this review helpful?

    Great features!

    5 out of 5 stars
    Gail - 10 days ago
    originally posted on sharkninja.com
    I’ve only had this vacuum for a couple days but I love it! I really like the feature that removes the dust when you return it to the dock each time. It’s lightweight and gets into pesky corners easily. Picks up hair, dust, sand and goes from hardwoods to rugs effortlessly!
    Did you find this review helpful?

    Great functional vacuum

    5 out of 5 stars
    Mossietawn - 13 days ago
    originally posted on sharkninja.com
    I got this as a Christmas gift and I am in love already! I hate sweeping our floor and this makes it such a breeze to pick up any crumbs on the floor in the kitchen and around our house. I appreciate the suction changes from hard floor to carpet. It’s perfect to pick up the gunk and not fling it around. The auto empty feature is something I didn’t know I would appreciate so much. It’s nice only having to empty the big chamber every few weeks instead of after every vacuum.
    Did you find this review helpful?

    Great features

    4 out of 5 stars
    carmy - 15 days ago
    originally posted on sharkninja.com
    I bought this just before leaving for the holidays. Yesterday I tried it for the first time. Seems to vacuum good. The only thing I question is on auto vacuuming on carpet it kept switching from magenta light to blue light. Still need to use it more so I know what I am talking about. The auto emptying is great.
    Did you find this review helpful?

    Convenient and easy to use.

    5 out of 5 stars
    andream855_9986 - 16 days ago
    originally posted on influenster.com
    [This review was collected as part of a promotion.] This vacuum was easy to put together and comes with two attachments. I love how the top half turns into a hand-held vacuum. Made it easy to clean my car out. Once you put the vacuum back on the stand, it self emptys into a compartment on the stand.
    Did you find this review helpful?

    Love the clean & empty feature!

    5 out of 5 stars
    Pat H - 19 days ago
    originally posted on sharkninja.com
    Kind of early in my ownership to give such a review, but I'm highly impressed. This Shark vacuum was easy to assemble and has been a pleasure to use, thus far. So much lighter than my other Shark cordless stick vacuum, which I've had for quiet awhile. Great suction and I really love the clean and empty feature. No more having to reach into the dust cup to pull out the last fragments of debris left after empting. I have no doubt that this Shark stick vacuum will give me the same service as all of the other Shark vacuums I've owned in the past and ones I still own today.
    Did you find this review helpful?

    Light weight yet powerful on wooden floor & carpet

    5 out of 5 stars
    sia343 - 19 days ago
    originally posted on sharkninja.com
    This product is great. Light weight yet powerful on both wood and carpet.
    Did you find this review helpful?

    At Last!

    5 out of 5 stars
    - 20 days ago
    originally posted on sharkninja.com
    I've been wanting a cordless vac for years. My boyfriend did more research than I did & landed on this one for me for Christmas. My apt is roughly 1000sqft and this vac does a beautiful job in every room and switches flawlessly between diff modes for carpet/kitchen floor. I get a kick out of the self clean feature (but I'm a little nerdy so it doesn't tale much to amuse me) and the dust cup & battery life is perfect for my size home. I should add that I do not have any animals in the home so I don't have experience with that, but I would recommend! The fact that its versatile & I can take this out to the car is going to be another great use of it.
    Did you find this review helpful?

    2 in 1 hard wood and carpet

    5 out of 5 stars
    serenityc27_4691 - 23 days ago
    originally posted on influenster.com
    [This review was collected as part of a promotion.] I absolutely love this! It works amazing on hard wood and carpet. I even use it on my couches and it gets all my cat hair up. The low setting is very quiet if you have kiddos sleeping. There’s also a light to help you see better on the floor.
    Did you find this review helpful?

    Lightweight, manueverable, self-cleaning cordless

    4 out of 5 stars
    stephaniee270_4885 - 26 days ago
    originally posted on influenster.com
    [This review was collected as part of a promotion.] The best feature of this vacuum is how lightweight it is. If you have shoulder pain or get sore using a regular vacuum, you're going to love this. It's maneuverable. It's out of the way. The power features are easy to understand and adjust. The light on the head is a really appreciated bonus. Overall, a great, easy to use, self cleaning vacuum..
    Did you find this review helpful?

    Not bad at all.

    5 out of 5 stars
    - 28 days ago
    originally posted on influenster.com
    [This review was collected as part of a promotion.] I have a Dyson I’ve been using for almost two years so that’s really what I’m comparing this to. The shark is just as effective from what I can tell. The noise level is similar. But I will say I don’t find the attachments as easily interchangeable as the Dyson. This also doesn’t come with as many attachments as the Dyson does. Overall, not bad for the price.
    1 guest found this review helpful. Did you?

    Good for cars and any vacuuming.

    5 out of 5 stars
    jacobr48_2624 - 28 days ago
    originally posted on influenster.com
    [This review was collected as part of a promotion.] Very good for cars and daily vacuuming as well as being quiet for our animals. The empty vacuum feature is amazing. Helps immensely with pet hair and children.
    Did you find this review helpful?

    Perfect for pet owners with hard floors!

    5 out of 5 stars
    nataliaa290_8908 - 29 days ago
    originally posted on influenster.com
    [This review was collected as part of a promotion.] This vacuum is amazing for a home with tiles and a cat! I always have a hard time finding a vacuum that works on both our carpets and the hard floor but this checks all the boxes! It’s easy to carry in between floors and catches everything from cat litter and hair to crumbs and plant droppings. The auto dump feature can be a little loud so I try to do it when my cat is upstairs but other than that it’s lovely. I’m also a big can of the dust bucket and not having to run to the trash after every cleaning. This vacuum is perfect for my every day needs!
    Did you find this review helpful?

    Shark Cordless Vaccum

    5 out of 5 stars
    Manda Manda - 29 days ago
    originally posted on sharkninja.com
    Great vaccum. Perfect for apartment. Makes cleaning easy. Love the self cleaning system.
    Did you find this review helpful?

    Super Stylish & Super Powerful

    5 out of 5 stars
    michelleb1083_3442 - 1 month ago
    originally posted on influenster.com
    [This review was collected as part of a promotion.] The Shark Cordless Clean & Empty BU3000 series is a stylish but powerful cordless vacuum. It has hypervelocity accelerated suction power that adjusts to all floor types and deep cleans carpets. The self cleaning brush roll is great so one doesn’t have to yank strands of hair off the roller. The self emptying feature after every use is another feature that avoids another nasty task. It is light weight and battery will last anywhere between 30-40 mins. The vacuum comes with a crevice tool as well as a pet multi brush tool. The white & peacock blue color will look great in today’s light & bright decor. Give this cordless a try. It will not disappoint!
    Did you find this review helpful?

    Was Expecting More

    4 out of 5 stars
    Big Bob - 1 month ago
    originally posted on sharkninja.com
    Very easy to set up but the suction isn’t as good as I thought it would be. Kinda disappointed.
    Did you find this review helpful?

    So easy to use, light, and works on any surface

    5 out of 5 stars
    chadt9_8510 - 1 month ago
    originally posted on influenster.com
    [This review was collected as part of a promotion.] Seriously the best vacuum we’ve ever had. Beats the pants off of Dyson in terms of battery and the dirt disposal is a game changer! It cleans and changes to each surface. So versatile.
    Did you find this review helpful?

    Efficient cleaning for pet friendly homes

    5 out of 5 stars
    fragranceyelp_3260 - 1 month ago
    originally posted on influenster.com
    [This review was collected as part of a promotion.] The Shark Cordless Vacuum has truly been a lifesaver in my busy home! One of my favorite features is the auto-empty system—it’s such a time-saver and keeps everything mess-free, which is a huge plus. Despite being lightweight, this vacuum is impressively durable and can handle the daily demands of my household with ease. I also love how simple it is to use. From switching between surfaces to emptying the bin, everything feels effortless. Most importantly, it’s incredibly efficient. With two dogs, a cat, and a toddler running around, this vacuum tackles pet hair, crumbs, and dirt like a pro. It’s reliable enough to keep up with our daily messes without skipping a beat. If you’re looking for a vacuum that’s lightweight, durable, and powerful, the Shark Cordless Vacuum is absolutely worth it. The only downside of the Shark Cordless Vacuum is its noise level. While it performs well in cleaning efficiency and convenience, my wife thinks it’s on the louder side. Me on the other hand , I have no issues with the noise level so take that one con with a grain of salt.
    Did you find this review helpful?

    Easy set up!

    5 out of 5 stars
    6footlife_2935 - 1 month ago
    originally posted on influenster.com
    [This review was collected as part of a promotion.] Wow, easy set up and no wall mount needed!! It also has a self emptying vacuum bin which I love that automatically empties once you put it back on the charger. It is a bit louder than my Dyson although that personally doesn’t bother me super surprised and happy with the shark performance so far.
    Did you find this review helpful?

    Great everyday vacuum!

    5 out of 5 stars
    dilafruzd_1835 - 1 month ago
    originally posted on influenster.com
    [This review was collected as part of a promotion.] I was very excited for my product to arrive. The light weight and comfort, along with the cordless function, makes it very easy to vacuum my apartment. I have long hair which is always laying around, so I was surprised at how well the vacuum suctions and picks it up from my rugs. The auto empty option makes my life so much easier as I’m allergic to dust. The vacuum comes with two attachments which allow me to clean each crevice and edge. You can even take it out to your car and clean it. I definitely recommend!
    Did you find this review helpful?

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