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eufy Robot Vacuum 11S MAX Review

RC Ratings, December 26, 2025

With features such as BoostIQ technology for adaptive suction, a slim 2.85-inch profile, and self-charging capabilities, the eufy Robot Vacuum 11S MAX offers a solid cleaning solution for many households. In this review, we’ll explore its key features, performance, pros and cons, and address common questions to help you decide if this vacuum is the right fit for your cleaning needs.

eufy Robot Vacuum 11S MAX
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Key Features and Specifications

FeatureSpecification
ColorBlack
Brandeufy
Battery Life100 minutes
Profile2.85 inches (super-thin)
Special FeaturesQuiet Operation, Self-Charging, One Side Brush, BoostIQ Technology, Anti-Scratch Glass Top
Surface CompatibilityWorks on hard floors and medium-pile carpets
Suction PowerAdaptive suction with BoostIQ Technology
Cleaning ModesAutomatic cleaning, edge cleaning
Obstacle AvoidanceInfrared sensors for obstacle detection and drop-sensing technology
ControlRemote control included (no Wi-Fi or app connectivity)
Noise LevelSimilar to a microwave (approximately 55-60 dB)
Included Components1x eufy Robot Vacuum 11S MAX, Remote Control, Charging Dock
eufy Robot Vacuum 11S MAX
CHECK PRICE ON AMAZON

eufy Robot Vacuum 11S MAX Performance

Cleaning Efficiency and Suction Power

The eufy Robot Vacuum 11S MAX is designed to provide a thorough clean with powerful suction while maintaining a compact and quiet profile. The vacuum uses BoostIQ technology, which automatically adjusts the suction power based on the surface it is cleaning. This ensures that the vacuum provides optimal cleaning performance on both hardwood floors and medium-pile carpets. The 100-minute battery life is sufficient for most cleaning sessions, allowing the vacuum to cover a large area without needing to recharge.

One of the vacuum’s key features is its ability to adapt to different floor surfaces. When cleaning hardwood floors, the suction remains constant for effective dust and dirt pickup. On medium-pile carpets, the vacuum automatically boosts the suction power to ensure that it is picking up embedded dirt and pet hair. This adaptive suction power helps deliver consistent results on various types of surfaces.

Compact Design and Quiet Operation

One of the standout features of the eufy Robot Vacuum 11S MAX is its ultra-thin 2.85-inch profile. This allows it to easily navigate under furniture, including low-sitting couches and beds, where dust and debris often accumulate. The slim design ensures that the vacuum can reach areas that are otherwise difficult to clean with traditional vacuums.

In addition to its compact size, the eufy 11S MAX operates quietly, making it perfect for use at any time of day or night. With a noise level comparable to a microwave (approximately 55-60 dB), it offers a less disruptive cleaning experience than other, louder robotic vacuums. Whether you’re working from home, relaxing, or sleeping, the vacuum can clean your floors without disturbing your daily routine.

Obstacle Avoidance and Drop-Sensing Technology

The eufy 11S MAX is equipped with infrared sensors to detect obstacles and avoid collisions with furniture, walls, and other objects in its path. These sensors help the vacuum navigate around your home without damaging objects or getting stuck. Additionally, the vacuum features drop-sensing technology that prevents it from falling down stairs or ledges, ensuring safe and efficient operation on all floor types.

While the sensors are generally effective at avoiding obstacles, some users have reported that the vacuum may still get stuck in certain areas, such as under chairs or on edges. This could be due to the vacuum’s relatively simple navigation system, which lacks the more advanced mapping and obstacle detection features found in higher-end models.

Self-Charging Capabilities

Like most robotic vacuums, the eufy 11S MAX is designed to return to its charging dock when its battery is running low. Once the vacuum is done cleaning or when it needs recharging, it will automatically find its way back to the dock and begin charging. This self-charging feature ensures that the vacuum is always ready for the next cleaning session without requiring manual intervention.

However, it’s important to note that the eufy 11S MAX does not feature Wi-Fi or app connectivity, meaning that it cannot be controlled remotely through a smartphone. Instead, all operations are managed via the included remote control. While the remote control is simple to use, some users may prefer the added convenience of app control, which is available on more advanced models.

eufy Robot Vacuum 11S MAX
CHECK PRICE ON AMAZON

Pros and Cons

ProsCons
Compact and Slim Design allows it to clean under low furnitureBasic Navigation System: May get stuck under chairs or on edges
Quiet Operation is perfect for cleaning without disruptionNo Wi-Fi or app control; relies on remote control only
BoostIQ Technology adjusts suction power for various surfaces
Self-Charging ensures it’s always ready to clean
Effective at Picking Up Pet Hair on hardwood floors and carpets
eufy Robot Vacuum 11S MAX
CHECK PRICE ON AMAZON

FAQ About eufy Robot Vacuum 11S MAX

1. How long does the eufy 11S MAX run on a full charge?

The eufy Robot Vacuum 11S MAX offers up to 100 minutes of continuous cleaning on a single charge. This is generally sufficient for cleaning most homes, particularly those with hardwood floors or low-pile carpets. However, larger homes may require more frequent recharges or multiple cleaning sessions.

2. Is the eufy 11S MAX effective at cleaning pet hair?

Yes, the eufy 11S MAX is designed to effectively pick up pet hair, especially on hardwood floors and medium-pile carpets. The BoostIQ technology helps it automatically adjust suction power when cleaning areas with pet hair, ensuring a thorough clean.

3. How does the BoostIQ technology work?

BoostIQ technology allows the eufy 11S MAX to automatically adjust its suction power within 1.5 seconds based on the surface it is cleaning. This ensures that the vacuum provides optimal suction for both hard floors and carpets, improving cleaning efficiency and results.

4. Does the eufy 11S MAX work well on carpets?

The eufy 11S MAX is designed to clean both hard floors and medium-pile carpets effectively. The vacuum automatically increases suction power when it detects carpets, helping to remove embedded dirt and debris. However, it may not be as effective on high-pile carpets compared to other models with more advanced suction systems.

5. Can I control the eufy 11S MAX with my smartphone?

No, the eufy 11S MAX does not have Wi-Fi connectivity or app control. All operations are managed using the included remote control. While this limits remote access and advanced scheduling options, the vacuum still offers a user-friendly cleaning experience with the remote.

6. Will the eufy 11S MAX clean under furniture?

Yes, the slim 2.85-inch profile of the eufy 11S MAX allows it to clean under most furniture, including low-sitting couches and beds. This is one of its key advantages, as it can reach areas that traditional vacuums cannot.

7. How does the drop-sensing technology work?

The drop-sensing technology in the eufy 11S MAX prevents the vacuum from falling down stairs or ledges by detecting sudden drops. If the vacuum detects a potential drop-off, it will stop and reverse direction to avoid falling.

Conclusion

The eufy Robot Vacuum 11S MAX is a compact and efficient cleaning device that offers excellent value for money. With its slim design, quiet operation, and BoostIQ technology, it is well-suited for homes with hardwood floors and medium-pile carpets. The vacuum’s ability to adapt suction power to different surfaces ensures consistent cleaning results, while the self-charging feature makes it easy to maintain.

Enjoyed this review of eufy Robot Vacuum 11S MAX? Then be sure to check out our other RC Rating guides.

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