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This hour's deals
Onson
Onson 2 in 1 Robot Vacuum and Mop Combo
−70%
Home · Walmart

A robot that vacuums and mops so you don't have to

Onson 2 in 1 Robot Vacuum and Mop Combo

Deal score 6.8 · Great deal
$89.59$300.00 Walmart's regular price

You save $210.41 at Walmart

Deal.ai's agents found this deal on November 10. The store may have changed its price since.

Why it's a great deal

  • Walmart lists its regular price at $300.00: 70% off by its own figures
Visit Walmart

Every store we checked

  • WalmartNew

    In stockSold by ONSON Official

    $89.59Checked 1 h ago
    Visit Walmart
  • eBayNew

    In stockSold by dress_my_best

    $95.20Checked 1 h ago
    Visit eBay
  • mercari.comNew

    Availability unknown

    $55.00Checked 1 h ago
    Visit mercari.com
  • shopsup.storeNew

    Availability unknown

    $87.00Checked Oct 31
    Visit shopsup.store
  • Martexplore.comNew

    Availability unknown

    $127.49Checked 1 h ago
    Visit Martexplore.com
  • SearsNew

    Availability unknown

    $156.94Checked 1 h ago
    Visit Sears
  • MartDiscover.comNew

    Availability unknown

    $299.98Checked 1 h ago
    Visit MartDiscover.com

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Reading Walmart’s product page for the details…

Specs

Surface Type
Carpet
Wet / Dry
Wet/Dry (Mop Combo)
Suction Power
1400PA
Cleaning Width
1280 in
Water Tank Capacity
230 ML
HEPA Certified
HEPA
Filtration Type
HEPA
Power Source
Cordless
Voltage
14.4 V
Battery Life
120 min

About the Onson 2 in 1 Robot Vacuum and Mop Combo

The Onson 2 in 1 is a budget robot vacuum and mop combo with a 1400Pa brushless motor, a 230ml water tank and a HEPA filter. It runs on a 2500mAh lithium battery rated for up to 120 minutes and recharges in about an hour on its dock, and it works with Alexa and Google Assistant. Its 3.3 out of 5 from 2,100 ratings puts it among the weaker-reviewed budget robots.

Best forPet owners dealing with hair on hard floorsSmall apartments and single roomsShoppers on a tight budgetHands-off daily light cleaning
Pros
  • Mops and vacuums in one pass with a 230ml tank
  • HEPA filtration traps fine dust and allergens
  • Rated up to 120 minutes per charge, about 1 hour to recharge
  • Alexa and Google Assistant voice control
  • Low 5-inch profile reaches under some furniture
Cons

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Price facts

  • This deal was $89.59 at Walmart on Nov 10.
  • Lowest price today: $55.00 at mercari.com (checked Nov 10, 2026).
  • Checked at 7 stores.

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1400Pa suction is weak for carpets and embedded pet hair
  • No mapping or lidar, so routes are random
  • Mop is a wet cloth drag, not a scrubbing mop
  • 3.3 out of 5 average suggests frequent complaints
  • No self-emptying; you empty the bin by hand
  • What reviewers say

    • 3.3 / 52,100 ratings

    Ratings are middling at 3.3 out of 5 across 2,100 reviews. Buyers like the low price and the vacuum-and-mop combo for light daily upkeep, but many report weak suction on carpet and unreliable navigation.

    What people mention
    • SuctionCriticisedOwners say 1400Pa is not enough for carpet and embedded pet hair.
    • NavigationCriticisedWithout mapping it bounces around and misses patches.
    • MoppingMixedFine for a light damp wipe, but it streaks and the 230ml tank empties quickly.
    • ValuePraisedBuyers call it a lot of function for the money.
    • NoisePraisedOwners find it quiet enough for daily runs.
    • BuildCriticisedSome report failures within months of use.

    Questions and answers

    Is the Onson 2 in 1 good on carpet?
    Only lightly. At 1400Pa it lifts surface dust but leaves embedded pet hair, and the mop function should not be used on carpet.
    Does it map rooms?
    No. It has no lidar or camera mapping, so it cleans in random patterns and can miss areas.
    How long does the battery last?
    The 2500mAh battery is rated up to 120 minutes and charges in about an hour on the dock.
    Does it work with Alexa and Google Assistant?
    Yes, both are supported for starting, stopping and docking the robot.
    What comes in the box?
    The robot, a charging dock, a mop pad and a water tank; extra brushes and pads are usually sold separately.
    How does it compare with a mapping robot?
    It lacks lidar or camera mapping, so it cleans in random paths and can miss areas, while mapping robots cover rooms in planned rows.
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