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Shark PowerDetect Cordless Stick Vacuum with Clean & Empty Base (IP3251)
Auto-empties into a 2 L base 4 PowerDetect sensors

Official product photos: Shark · source More photos on Amazon

Best cordless with auto-empty base Shark · Vacuum Cleaners

Shark PowerDetect Cordless Stick Vacuum with Clean & Empty Base (IP3251)

Four sensors tune the clean for you, then the base empties the bin after every use — up to 45 days of debris, sealed away.

RightScore Score pending
Best for Pet homes Hard floors Carpets Allergies

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  • Auto-empties into a 2 L base
  • 4 PowerDetect sensors
  • Up to 70 min (Eco, handheld)

At a glance

Our verdict

—

If you want a cordless you never have to empty over the trash can, this is Shark’s most complete answer: smart sensors, a self-emptying base, HEPA filtration after the motor and a five-year limited warranty. The catches: the base...

RightScore appears once live prices from licensed store feeds are connected — we never guess a number.

Read the full verdict

70 min

Runtime (up to, Eco mode, handheld)

6 h

Charge time

60 months

Warranty

Best for

  • Pet homes
  • Hard floors
  • Carpets
  • Allergies

Best thing: Self-emptying, sealed base

Honest catch: The base takes floor space and needs an outlet

Our verdict

If you want a cordless you never have to empty over the trash can, this is Shark’s most complete answer: smart sensors, a self-emptying base, HEPA filtration after the motor and a five-year limited warranty. The catches: the base needs floor space near an outlet, and the 70-minute figure is measured on the handheld in Eco mode, so full-power floor cleaning runs shorter.
RightDeals research · checked 11 Oct 2026
PowerDetect is Shark’s sensor-driven cordless. Dirt Detect senses hidden debris and boosts pickup, Edge Detect raises suction along edges and corners, Floor Detect adjusts brushroll speed to the surface and Direction Detect picks up debris going forward and in reverse. When you finish, the Clean & Empty base charges the vacuum and empties its dust cup into a 2 L bin that holds up to 45 days of dirt, sealing away fine dust and odors. The DuoClean Detect dual brushroll is made for pet hair on every floor type, and runtime is up to 70 minutes (handheld, Eco mode).

Why you’ll like it

  1. 01

    No more dusty bin-emptying: the base empties and charges the vacuum after every clean and holds up to 45 days of debris.

  2. 02

    It adapts on its own — more power when it senses dirt or edges, and brushroll speed matched to the floor.

  3. 03

    Built for pet homes: the DuoClean Detect brushroll, a Pet Multi-Tool and an Odor Neutralizer puck are included.

  4. 04

    HEPA filtration after the motor and a five-year limited warranty.

Great for

  • Pet owners who vacuum often
  • Allergy-conscious homes that dislike emptying dust bins
  • Homes with a mix of carpet and hard floors

Maybe skip it if

  • You have no floor space near an outlet for a dock
  • You want the lightest, simplest stick possible

Where it shines

How well it suits each use, based on its specifications.

  • Pet homes Great
  • Hard floors Great
  • Carpets Good
  • Allergies Good

Pros & cons

Pros

  • Self-emptying, sealed base
  • Picks up going forward and in reverse
  • Converts to a handheld
  • Five-year limited warranty

Cons

  • The base takes floor space and needs an outlet
  • The 70-minute runtime is for Eco mode on the handheld; floor cleaning at higher power is shorter

Based on the maker’s specifications and published information — every point is checked against a named source.

Where to buy

Stores we link to in US. We show a price only when it is live.

Prices for United States in USD
Amazon

Amazon

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Specifications

General

Cordless
Yes
Warranty
60 months

Battery

Runtime (up to, Eco mode, handheld)
70 min
Charge time
6 h
Battery voltage
21.6 V

Design

Vacuum dust cup
0.7 qt

Features

Clean & Empty base
Up to 45 days of debris (2 L base)
PowerDetect sensors
Dirt Detect, Edge Detect, Floor Detect, Direction Detect
Filtration
Felt + washable foam (pre-motor), HEPA (post-motor)
In the box
8" Duster Crevice Tool, Pet Multi-Tool, Odor Neutralizer puck

Source: RightDeals research · verified 2026-10-11

Our score is on its way

We publish it only once enough real data is in — see how we rank products.

How We Rank Products

What buyers say

We only show star ratings we are licensed to display. Read verified buyer reviews and photos directly on Amazon.

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Questions people ask

How long does it run on a charge?

Up to 70 minutes, which Shark measures on the handheld in Eco mode. A full charge takes about 6 hours.

What does the Clean & Empty base do?

It charges the vacuum and empties its dust cup after every clean, holding up to 45 days of dirt and debris and sealing away fine dust and odors.

Which PowerDetect version is this?

IP3251 is the Clean & Empty system with odor neutralizer. Shark also sells IP1251 without the base, and Reveal versions (IP3256, IP3266) that add a debris-revealing light.

Sources & method

Researched from the maker’s specifications, the store listing and published information — not lab-tested. We never accept payment for a recommendation.

How We Rank Products · Editorial policy

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