Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.
TermsPrivacy
Deal.ai › Lefant › Robot Vacuum Cleaners
Lefant
Lefant M3 Sweeping Robot

Lefant M3 Sweeping Robot

Best price now

$269.99at Best BuyChecked Nov 9

Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

Visit Best Buy

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Last seen at $269.99 at Best Buy on Nov 9.
  • Our take on the Lefant M3 Sweeping Robot

    The Lefant M3 is a robot vacuum and mop with a self-emptying base and a self-cleaning mop pad, rated at 12 kPa of suction and controlled through the Lefant app. That combination of self-emptying and mop-pad washing is unusual among budget rivals, which mostly make you empty the bin and rinse the pad yourself. It suits hard floors and light daily mess rather than deep carpet, where its 12 kPa trails the 20 kPa and higher flagships.

    Best forShoppers who want hands-off emptying and mop washing on a budgetHomes with mostly hard floors and light daily messPeople who want app scheduling without paying flagship pricesSmall apartments where one robot covers vacuum and mop duty
    Pros
    • Self-emptying base means weeks between bin empties
    • Self-cleaning mop pad cuts down on hand washing
    • 12 kPa suction is decent for a mid-range robot
    • App control for schedules, zones and suction levels
    • Vacuum and mop in one unit
    Cons
    • 12 kPa trails the 20 kPa and higher flagships on deep carpet
    • Self-empty and mop-wash docks add bulk and noise
    • Mop pads and dust bags are recurring costs
    • Lefant's app and support are less polished than bigger brands

    Lefant M3 Sweeping Robot prices at every store

    • Best BuyNew

      In stock

      $269.99Free shippingChecked Nov 9
      Visit Best Buy

    Store links may earn us a commission. Price via Klarna.

    Lefant M3 Sweeping Robot price history

    $269.99$269.99
    Nov 8Nov 9

    Lowest price we've seen: $269.99 on Nov 8 at Best Buy. Tracked across 1 store since Nov 8.

    What reviewers say

    Owner feedback on the M3 is limited, but Lefant robots generally draw praise for value and app features and complaints about navigation and long-term durability. The self-emptying and self-cleaning dock are the main draws.

    What people mention
    • Self-emptyingPraisedOwners like going weeks without touching the bin.
    • Mop washingPraisedThe self-cleaning pad saves manual rinsing after mopping.
    • SuctionMixedFine on hard floors, but carpet pickup is weaker than the 12 kPa figure implies.
    • NavigationCriticisedOwners report it bumping around furniture and missing spots.
    • AppMixedScheduling works, but the app is less refined than those of major brands.
    • NoiseCriticisedThe self-empty cycle is loud enough to notice in small rooms.

    Specifications

    Suction Performance (kPa) (kPa)
    12.0Source
    App Control
    YesSource
    Color
    WhiteSource
    Features
    Self-Emptying, Self-Cleaning Mop Pad, MoppingSource

    Questions and answers

    Does the M3 really empty itself and wash its mop pad?
    Yes. The base empties the dustbin into a bag and cleans the mop pad, so you mainly replace bags and refill the water tank.
    How does 12 kPa compare with other robot vacuums?
    It is mid-range. Flagships rate 20 kPa and up, so the M3 suits hard floors and light carpet rather than deep-pile carpet.
    Do I need the app to use it?
    You can start it from the robot, but schedules, suction levels and zone cleaning are set in the Lefant app.
    What supplies does it need?
    Dust bags for the base and replacement mop pads. Budget for both as ongoing costs.
    When is the best time to buy?
    Robot vacuums usually drop around Black Friday and Prime Day. Watch for a first discount rather than expect one.
    Is the Lefant M3 worth it?
    If you want self-emptying and mop-pad washing without flagship money, it is a strong value. If you have wall-to-wall carpet or want top-tier navigation, spend more.
    Where is the Lefant M3 Sweeping Robot cheapest?
    At Best Buy, for $269.99, as of our latest check.

    Stores we've priced the Lefant M3 Sweeping Robot at

    • Best Buy deals and prices

    More from Lefant

    • L
      Lefant Self-Charging Robotic Vacuum Cleaner with 2200Pa Suction
      Lefant Self-Charging Robotic Vacuum Cleaner with 2200Pa Suction
    • L
      Lefant M330 Pro Robot Vacuum Mop
      Lefant M330 Pro Robot Vacuum Mop
    • L
      Lefant M2 Plus Robot Vacuum and Mop
      Lefant M2 Plus Robot Vacuum and Mop
    • L
      Lefant Self-Emptying Robot Vacuum Cleaner with App Control - White
      Lefant Self-Emptying Robot Vacuum Cleaner with App Control - White
    • L
      Lefant M210P
      Lefant M210P
    • L
      Lefant M265 Robot Vacuum and Mop
      Lefant M265 Robot Vacuum and Mop
    • L
      Lefant M320 Robotic Vacuum Cleaner
      Lefant M320 Robotic Vacuum Cleaner
    • L
      Lefant M350 Max Robot Vacuum and Mop
      Lefant M350 Max Robot Vacuum and Mop
    All Lefant deals and products →

    More robot vacuums

    • A
      Anqtovp Robot Vacuum 2-in-1
      Anqtovp Robot Vacuum 2-in-1
    • J
      JOWEI Robot Vacuum 3-in-1
      JOWEI Robot Vacuum 3-in-1
    • R
      Roborock Saros 10 Robot Vacuum
      Roborock Saros 10 Robot Vacuum
    • D
      Dreame GoVac 300 Robot Vacuum
      Dreame GoVac 300 Robot Vacuum
    • E
      Eufy E25 Omni Robot Vacuum Self-Cleaning Station Kit
      Eufy E25 Omni Robot Vacuum Self-Cleaning Station Kit
    • E
      Elite Gourmet Robot Vacuum Mop
      Elite Gourmet Robot Vacuum Mop
    • S
      SharkNinja Ion Robot Vacuum
      SharkNinja Ion Robot Vacuum
    • T
      Teendow Robot Vacuum and Mop 2-in-1 Vacuum Cleaner
      Teendow Robot Vacuum and Mop 2-in-1 Vacuum Cleaner