Robot vacuums / Comparison

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Autonomous floor robots sold new in the US with their included dock. Handheld, stick and wet-dry vacuums, robot mops without a vacuum, and measured cleaning, suction or noise rankings are outside this catalogue.

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Documented specifications and exact purchase packages
Compare the details	L40 Ultra Gen 2 white 010204AA001146 with PowerDock (US)
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US purchase package	White 010204AA001146 robot-only listing with the base station; black 010204AA001147 is the same package; accessory and TriCut bundles are separate offers Product & sources Box: robot, base station, pre-installed main brush, brush guard, side brush and dust box with filter, two mop pads, two mop pad holders, two dust bags (one pre-installed), ramp extension plate, quick start guide and user manual. The automatic cleaning-solution dispenser is a separate purchase and is not in this package. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Where to buy	Select: White 010204AA001146 robot-only listing with the base station; black 010204AA001147 is the same package; accessory and TriCut bundles are separate offers View at Dreame US store — L40 Ultra Gen 2 white 010204AA001146 with PowerDock (US); opens in a new tab The link may open several packages. Check current price and availability with the seller. Opens in a new tab.
Cleaning type Whether the robot vacuums only or vacuums and mops, and any extra cleaning tool in the package. A vacuum-and-mop robot still needs water handling. Read the mop hardware and dock fields before assuming hands-free mopping.	Vacuum and mop with dual rotating mop pads; vacuum-only, mop and mop-after-vacuum modes. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Navigation and obstacle sensing The documented mapping technology and obstacle-sensing hardware. LiDAR, ToF, camera and AI are hardware or software names. They do not establish how well a robot avoids a cable or a pet mess in your home.	LDS laser navigation with 3D structured-light obstacle avoidance (3DAdapt). The spec table lists AI object recognition as not included. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Manufacturer-rated suction The suction pressure figure published by the maker, where one exists. Each maker measures this figure its own way. It is a marketing number, not a cleaning result, and some makers publish none at all.	25000 PaMaker figure based on in-house lab data; the page notes actual performance may vary. Not a cleaning result. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Mopping hardware The documented mop design: flat pad, spinning pads or roller, and any extension or detaching feature. Spinning pads, rollers and vibrating pads are different maintenance routines. None establishes measured stain removal.	Dual Omni-Scrub rotating pads (DuoScrub); one pad extends up to 4 cm (MopExtend); mop removal is not automatic. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Mop lifts or retracts on carpet Whether the maker documents lifting, retracting or detaching the mop when carpet is detected. A lift height is a nominal figure. Thick rugs can exceed it, and some robots only lift in a particular cleaning mode.	Yes10.5 mm lift, described as the height difference before and after lifting in in-house lab data. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Dock empties the dustbin Whether the dock in the selected package transfers debris from the robot into a bag or container. Package-level fact. A plain charging dock with the same robot name does not empty anything.	Yes3.2 L dust bag; the up-to-100-day figure is in-house lab data. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Dock washes the mop Whether the dock in the selected package washes the mop pads or roller. Package-level fact. Wash water temperature claims are maker figures and do not establish hygiene results.	YesAuto mop cleaning with hot water on a self-cleaning AceClean DryBoard washboard. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Dock dries the mop Whether the dock in the selected package dries the mop after washing. Package-level fact. Drying time and temperature settings are app-dependent and are not odor guarantees.	YesHot-air drying listed in the spec table. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Water handling at the dock How the selected package refills the robot and collects dirty water, with tank sizes where published. Dock tanks are still filled and emptied by hand unless a plumbing kit is part of the package. Detergent dispensing is a separate feature.	Dock refills the robot's clean water box from a 4.5 L clean tank and drains wash water to a 4.0 L used-water tank; both dock tanks are filled and emptied by hand. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Robot body height The published overall height of the robot, including any sensor turret. Compare with the lowest furniture you want cleaned under. Body height is not a tested clearance figure.	97 mmRobot 350 x 350 x 97 mm. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Threshold crossing height The maximum ledge or threshold height the maker claims the robot crosses. A maker figure under its own test conditions. Rugs, round edges and dark surfaces can change the result.	20 mmObstacle crossing height 0.79 in (2 cm) from the spec table. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Claimed runtime The longest published runtime per charge, with the mode and suction setting kept in the note. Runtime claims usually assume the quietest vacuum-only mode. Mopping, carpet boost and recharge-and-resume change the real session.	231 minVacuum Only mode under Quiet suction, in-house lab data, 5,200 mAh battery. Other modes are shorter and are not published. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Robot dustbin capacity The published capacity of the dustbin carried on the robot. With an auto-empty dock the onboard bin matters less. Without one, it sets how often you empty by hand.	250 ml Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Dock dust bag capacity The published capacity of the dock's disposable dust bag in the selected package. Package-level fact. Day counts such as 75 or 100 days are maker estimates, not a measured interval for your home.	3.2 L Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
App, account and network requirements The documented app, account, Wi-Fi band and smart-home conditions. Check the Wi-Fi band before buying. An optional subscription or voice assistant is separate from the account needed to set up the robot.	Dreame cleaning app with Apple Watch control; third-party voice control needs a compatible device; Matter via a future OTA update; Wi-Fi band not stated. Source · 2026-10-21 Dreame: Dreame L40 Ultra Gen 2 Robot Vacuum and Mop, US store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Questions to check before buying	This is the L40 Ultra Gen 2, not the L40 Ultra, L40s Ultra or L40s Ultra AE/CE, which have different docks and figures. No measured cleaning, suction or noise result is established here; 100-day bag and corner-coverage claims are in-house lab data.

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