Eufy X9 Pro: The Mopping Champion That Forgot to Empty Itself

The Eufy X9 Pro pulled off something remarkable when it launched in mid-2023: it achieved a perfect obstacle avoidance score in Vacuum Wars testing. No robot vacuum had ever done that before. Add in what many reviewers consider the best mopping performance they’ve seen from any robot, and you’ve got a compelling package. There’s just one catch that frustrated buyers keep mentioning—it doesn’t empty its own dustbin.

That omission matters. At its original $899 price point, the X9 Pro competed directly with robots that offered auto-emptying along with similar mopping capabilities. By late 2025, Eufy has discontinued the model (replaced by the X10 Omni), but you can still find it on Amazon and other retailers, often discounted to around $550. At that price, the missing auto-empty becomes easier to forgive.

What You’re Getting

The X9 Pro was Eufy’s first robot with an advanced mop-cleaning base station, marking a significant step up from their earlier RoboVac models. It’s a 2-in-1 vacuum and mop built for homes with mostly hard floors.

Physical Dimensions: The robot measures about 13.9 x 12.8 x 3.7 inches—standard footprint, and short enough to slip under most couches. The base station, however, is chunky: roughly 17.4 x 16.2 x 16.4 inches. You’ll need a dedicated spot for it, and you won’t be moving it around casually.

Power and Runtime: The 5,200 mAh battery delivers up to 150 minutes on a single charge in eco mode. Real-world use typically yields 100-120 minutes with balanced settings. One owner with a 2,000 square foot home noted it took “all day” to clean everything, thanks to a mid-run recharge and multiple trips back to wash the mop pads. Charging from empty takes about four hours.

Suction: At 5,500 Pa maximum, the X9 Pro had one of the strongest motors among 2023 robots—twice what some older models offered. One tester found it sucking up full-size pencils and paintbrushes before they could intervene.

Dustbin: The 410 ml bin is moderately sized but not huge. Without auto-emptying, you’ll want to check it after each cleaning session. Eufy suggests emptying every 10 hours of use, but most owners do it more frequently to maintain suction.

The Mopping System: Where This Robot Shines

The X9 Pro doesn’t just drag a damp cloth across your floor like cheaper hybrids. It uses two round mop pads spinning at up to 180 RPM, each pressing down with about 1 kg of force. The difference is noticeable.

Independent testing found it scrubbing away dried grape juice, coffee spills, crayon marks, and muddy footprints that simpler robots would leave behind. Multiple reviewers called it the best mopping robot they’d tested. One noted that floors “feel clean to the touch” afterward—high praise for an autonomous machine.

The Auto-Lift Feature: When the robot detects carpet, the mop pads lift approximately 12 mm—the highest lift among hybrid robots at the time (Roborock’s Q Revo only manages 7 mm). This works well for low-pile rugs and area rugs, keeping them dry while vacuuming. But there’s a catch: if your carpet fibers are taller than about half an inch, the pads may still drag or the robot might struggle to climb on at all. For thick or plush carpets, multiple reviewers recommended looking elsewhere entirely.

How the Base Station Works: The robot doesn’t carry much water onboard. Instead, it returns to the dock periodically during cleaning sessions. The base has a 4.1L clean water tank and a 3.6L dirty water tank—roughly a gallon each. It wets the pads, scrubs them against a textured surface to clean off grime, sucks dirty water into the waste tank, and after cleaning finishes, runs a heated drying cycle at about 40°C for two hours.

After weeks of regular use, reviewers found no musty smell from the pads—a common complaint with robots that don’t dry their mops. One important note: you must remember to empty that dirty water tank regularly, or things get unpleasant fast.

Navigation and Obstacle Avoidance

The combination of LiDAR mapping and an AI camera system with 3D time-of-flight sensors makes the X9 Pro exceptionally aware of its surroundings.

Mapping: The LiDAR creates accurate floor plans quickly—one reviewer watched it map an entire floor in about five minutes. It supports multiple levels, so you can carry it upstairs and it’ll load the correct map (or you select it in the app).

Obstacle Detection: Here’s where the X9 Pro truly distinguished itself. Vacuum Wars gave it a perfect 12/12 score for obstacle avoidance, something no previous robot had achieved. The robot successfully detected and avoided shoes, socks, cables, pet toys—the whole gauntlet. Users describe it navigating “like a boss” around clutter.

The system claims to recognize over 20 types of objects. Unlike some competitors, the X9 Pro doesn’t save or stream camera images—it processes everything locally for navigation only. Good for privacy, though you can’t use it as a roving security camera.

One Caveat: The LiDAR works in complete darkness, but the camera likely needs some ambient light to spot small floor objects. Running it overnight in pitch black might mean it bumps into things it would otherwise avoid.

The App Experience

The Eufy Clean app handles all the controls with what reviewers describe as an intuitive, polished interface.

You can run vacuum-only, mop-only, or both. Suction power and water flow are adjustable. Room selection, zone cleaning, and scheduling all work as expected. No-go zones and no-mop zones let you protect specific areas—the robot respects these reliably.

There’s a child lock feature that disables the robot’s physical buttons during operation, preventing curious toddlers (or cats stepping on it) from accidentally stopping or starting a cleaning run.

One Frustrating Gap: You cannot manually adjust room divisions after the initial map is created. If the auto-detection merged your kitchen and dining room when you wanted them separate, you’re stuck with workarounds like zone cleaning. Most competitor apps allow room editing; Eufy lags here.

Cleaning Performance Reality Check

Hard Floors: The X9 Pro handles dust, hair, and small debris well on hardwood and tile. For larger particles, it’s less impressive—testing with oats and flour showed the side brush scattering some debris rather than capturing it all. It’s sufficient for daily crumbs but not a powerhouse for big spills.

Carpet: On low-pile carpet, the automatic suction boost to maximum power helps with surface dirt. But reviewers consistently found its deep-cleaning ability below average for the category. If your home is predominantly carpeted, especially anything beyond low pile, this isn’t your robot.

Pet Hair: Owners with dogs report good results, particularly on hard floors. The strong suction and brush design capture hair effectively, though you’ll need to empty that smallish dustbin more frequently with heavy shedders. The brush does collect some wrapped hair that needs periodic clearing.

The Mopping Edge: For hard floor homes, the mopping capability more than compensates for average vacuuming. It outperforms most competitors in actually scrubbing away stuck-on messes rather than just dampening them. Multiple reviews concluded that mopping is where this robot truly excels—rating vacuum performance around 7/10 and mopping at 10/10.

Pet Considerations

Beyond hair pickup, the X9 Pro handles pet households reasonably well. Its obstacle avoidance reduces the chance of it dragging toys or bowls around the house. The child lock doubles as pet protection against accidental button presses.

However, Eufy makes no promises about avoiding pet waste. At least one user reported finding the aftermath of a missed accident on the robot’s wheels. The AI might recognize solid objects, but it’s not foolproof. If accidents are a regular concern, do a quick floor scan before running the robot, or consider iRobot’s models that specifically guarantee poop avoidance.

Who Should Buy This

Ideal For:

• Homes with mostly hard floors (hardwood, tile, laminate, vinyl)
• People who prioritize mopping performance over vacuuming convenience
• Households with clutter—kids’ toys, pet gear, cables on floors
• Buyers who find it discounted to $550-$600 range
• Those who don’t mind emptying a dustbin after each cleaning

Look Elsewhere If:

• Your home has significant carpeted areas, especially medium or high pile
• You strongly want auto-emptying for the vacuum
• You need something more compact—the base station is substantial
• Long-term parts availability concerns you (it’s discontinued)

Known Issues

Several problems have surfaced in user reports:

• Scheduling bugs: Some owners found their room-specific schedules resetting to “Auto” (full house) mode
• Water supply errors: The base occasionally displays “insufficient water” warnings despite full tanks—usually fixable by cleaning filters or reseating tanks
• Post-warranty failures: One user reported a persistent “side brush stuck” error after 16 months that Eufy couldn’t resolve since the warranty had expired
• Docking problems: Rare cases of new units failing to find their base, typically resolved by remapping

The Value Calculation

At $899, the X9 Pro faced stiff competition from robots offering similar mopping plus auto-emptying. At $550-$600 on sale, the math changes considerably. You’re getting LiDAR navigation, top-tier obstacle avoidance, and genuinely excellent mopping for the price of a mid-range robot.

The Roborock Q Revo ($799) offers auto-emptying but inferior obstacle detection and lower mop lift. The Roomba Combo j7+ ($999) has better pet-waste avoidance and auto-emptying but just drags a pad instead of scrubbing. Eufy’s own X10 Pro Omni ($1,049) adds auto-emptying and 8,000 Pa suction but costs nearly double the discounted X9 Pro price.

If mopping matters most and you can tolerate emptying the dustbin yourself, the discounted X9 Pro offers remarkable value. Just buy spare pads and filters while they’re still available—discontinued models don’t get parts support forever.

Warranty and Support

Eufy provides a 12-month warranty in the US (24 months in the EU). Within warranty, they’ve generally been responsive, often sending replacement units for defects.

The discontinuation has complicated things. At least one owner within warranty was offered only a partial refund because replacement units weren’t available. After warranty, support is limited—one user with a major error was told nothing could be done.

Replacement mop pads run about $29 for a set of two. Brushes and filters fall in the $15-$39 range. The battery is user-replaceable with some effort; Eufy sells official replacement packs.

Bottom Line

The Eufy X9 Pro represents a specific trade-off: exceptional mopping and obstacle avoidance in exchange for manual dustbin duty and limited carpet capability. When it launched, that trade-off was harder to justify. At current discounted prices, it’s considerably easier to recommend—provided your home has mostly hard floors.

It won’t replace a deep-cleaning carpet vacuum. The base station takes up real space. And buying a discontinued product means accepting some uncertainty about long-term support. But for keeping hard floors genuinely clean with minimal effort, the X9 Pro remains one of the most capable options available, especially if you can find it on sale.

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