The eufy RoboVac 11S is a slimmed-down version of the original RoboVac 11. It’s one of the most affordable robot vacuums eufy has in its arsenal. This little robot is best for maintenance cleaning on hard floors and low-pile carpet.

It has a lot going for it, including the very slim profile that allows it to get under more furniture and other low points than its bigger brothers.

WHAT DO YOU GET WITH THE ROBOVAC 11S?

Inside the box, there’s the vacuum, charging station with AC power adapter, a remote control, 2 AAA batteries, cleaning tool, extra set of filters, 4 side brushes, and 5 cable ties to wrap up cords that can tangle up the machine.

• Battery run time: Up to 100 minutes
• 0.6 L dustbin
• Noise level ~ 55 dB
• Dimensions: 12.8” W x 12.8” L x 2.85” H
• Weight: 5.85 pounds
• Warranty: 12-month limited

SETUP AND USAGE

To prepare the 11s for cleaning, you must first attach two of its side brushes. These snap onto two studs at the front of the vacuum with little effort. Then turn it on—the switch has been moved from the side to the bottom of the vac—and place it on the charging pins of its dock. Eufy says its high-capacity Li-ion battery will deliver up to 100 minutes of cleaning on a full charge.

The 11s offers several cleaning modes, all of which can be activated from the remote. Single Room mode intensively cleans a specific area for 30 minutes and is best used in a specific room with the door closed. In Edge mode, the 11s reduces its speed to approach a wall and then cleans along it for 20 minutes before returning to its dock. In Spot cleaning mode, the 11s will clean an area of concentrated dirt in a spiral for two minutes. With Manual mode, you can direct the vacuum to an area using the directional buttons on the remote.

For general maintenance cleaning, though, your best choice is Auto mode, which automatically chooses different modes as needed until the job is done. I used it for daily cleanings of my approximately 400-square-foot downstairs living area. The vacuum had no problem managing the three types of flooring there—carpet, hardwood, and linoleum—or transitioning over a lip between the living room and foyer. It usually covered that space completely without needing a recharge. Because the 11s will move in a straight line until it bumps into an obstacle and changes direction, its cleaning pattern can seem haphazard. But it never failed to take at least one pass over every area it could reach.

Despite regularly being littered with pet hair, food crumbs, stray bits of paper, and other detritus, the 11s left my floors even cleaner than the original RoboVac 11. That’s no doubt due the increased suction (1300Pa) and new BoostIQ technology, which automatically increases suction power on carpeting. Eufy's robot vac also did a better job of avoiding stray articles on the floor than the RoboVac 11, which meant I could leave it unsupervised for longer periods of time. Depending on how dirty the floor was, I could typically get through two cleanings before I had to empty the dustbin, so it’s probably big enough to handle one cleaning of a single floor in a larger house.

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