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At eufy we believe all great smart home products need to be thoughtfully built from the start. From whole-home security to smart cleaning solutions, eufy’s technology brings you expert protection and deep cleaning that’s tailored to your lifestyle and creates human-first technology that enlivens the lives of everyone around you.
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Robot Lawn Mower E15&E18





1. Compact and Quiet Operation: With a slim 2.85″ profile, the eufy robot vacuum operates quietly, offering a comprehensive clean without causing a disturbance, making it perfect for use at any hour.
2. Extended Cleaning Performance: Capable of running up to 100 minutes on hardwood floors, the eufy vacuum robot provides powerful, consistent suction for a thorough clean at a noise level similar to a microwave.
3. Adaptive Suction Power for Different Surfaces: BoostIQ Technology adjusts suction within 1.5s for optimal cleaning on any surface.
4. Superior Protection and Efficiency: The eufy robot vacuum comes with an anti-scratch tempered glass-top cover, infrared-sensor for evading obstacles, and drop-sensing tech, ensuring a safe, efficient clean while self-recharging to stay ready.
5. Note: The 11s Max does not support WiFi or app connectivity; all operations are performed using the remote control and the buttons on the device.
6. Note: Single-side brush design prevents scattering and delivers full suction power for effective cleaning
7 reviews for eufy Robot Vacuum 11S MAX, Super Thin, Powerful Suction, Quiet, Self-Charging Robotic Vacuum Cleaner, Cleans Hard Floors to Medium-Pile Carpets, Black
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$16.99

Andrew Bean –
Well worth the money for saving time, energy, and effort
This (really long) review is for the Eufy 11S Max robot vacuum (Robovac). Please note “Max” vs regular 11S. They may look the same; but the Max uses a different filter and has the higher 2000pa suction. Otherwise the functions and options (other than suction choices) are the same. I’ve used the 11S Max for the last month on my low pile carpet (about 80% of the roaming area) with the rest being tile or linoleum flooring. It has been quite fascinating to watch so I’ve actually put about 85-90 charge cycles on the unit over the last month (yes, three times a day on most days and it’s still finding more dirt/dust than I would expect).Right up front, I’d definitely buy another when it comes time to replace this one. After comparing how I vacuum my flooring, especially to pick up my biggest carpet enemy; short stray bits of dried grass stems, the “random” wandering of this vacuum model made more sense to me than the other fancier choices. Most vacs do a good job with dust, dirt, sand, cheerios, etc. but these stem pieces are only picked up by a vacuum when it comes at the stem with the brush roller pretty much parallel to the stem. That means random directions will more likely get these pesky problems than an organized back & forth cleaning approach. Granted it may take a few cleaning cycles or several passes over the same area during one cycle; but since the Robovac has completed its first 5-6 cycles I rarely find them anymore or if I do spot one it’s not for very long.Robovac is a big time saver as well as an energy saver for me. I would use my canister vacuum about an hour each week for routine cleaning and once a month for 2+ hours to do a more thorough cleaning. A watt-hour meter indicated that my canister vacuum used 5-6 kw-hr of electricity each month. Robovac uses about 12 watts continuously for about 4 hours when charging (surprisingly less than the 5-6 hrs listed in the manual; but it is brand new). Once the battery is charged, the power consumption drops to about ½ watt. When Robovac is away cleaning, the charging base uses just ¼ watt for the homing beacon. So if used just once a day; Robovac would only use about 60 watts per day. That means once-a-day cleaning would only use 1.8 Kw-hr energy per month. By letting Robovac take over the regular weekly cleaning with once a day operation (or less), I’m able to cut my electric bill by an easy 3-4 kw-hr/month.With that said, there are a few things that I think need improved:First, there should be an interlock on the dust bin – Robovac will merrily go off about it’s scheduled cleaning cycle without the bin installed! So if removed for emptying; don’t forget to re-install the bin before the next scheduled operation. Plus, I noticed on a couple occasions, that I wasn’t paying attention and I left one corner was about 1/8” out from fully inserted. Not sure if that will cause suction leaks; but you need to make sure the bin is completely inserted.Second, you can’t select “max” (or any power level) when using the remote to manually clean an area. It appears to only operate on “standard” suction with manual operation (i.e., when Robovac is not running a regular cleaning mode and you chose to override it’s direction). In addition, if you select the remotes’ edge or spot cleaning modes it will automatically go to “max” power for the duration of that mode and you can’t choose IQBoost or standard power level on those selections.Third, I don’t know why the 20 minutes for edge cleaning or 30 minutes for quick cleaning was selected. Robovac can make it about 60-70% around my home in the 20 minutes of edge cleaning. If edge cleaning mode was permitted to run until it made a trip all way around and back to the charging station where it could dock to finish that mode would work better. An alternate solution would be if I could set the cycle time for edge cleaning and quick cleaning modes. Plus I’d like having an option for it to simply stop when the time is up rather than automatically returning to the base. When I want just one room cleaned; I’ll set Robovac to auto or quick mode in that room, then close the door or put down a barrier, and return later to stop it manually and take it back to the charging base. If I don’t return in a timely manner Robovac will be trying to locate the charging base and running the battery down.Fourth, Robovac cleans edges using only its right side pretty much all of the time. It would be helpful to have it randomly choose using either the right or left side whenever edge cleaning. I watched it edge clean a carpet/wall area three times going only in a counterclockwise direction (right side) and it still didn’t pick up all the dust bunnies. I used manual control with it hugging the wall on its left side and it picked them up with no problem. Also, be aware that manual operation, when Robovac is not already working in a selected cleaning mode (overriding current movement), only works while the remote buttons are pressed. Robovac stops all functions shortly after a button is released when used manually.Fifth, I really don’t need to run Robovac on a daily schedule – there should be a weekly scheduling capability even for the least expensive robot vacuums. It shouldn’t be that difficult or expensive to update this model to correct this issue. Even if it’s the same set cleaning time, every day for the selected days; just give me the ability to schedule cleaning cycles one to seven times a week.Sixth, when the battery runs low, Robovac can take forever, if it makes it back at all, to the charging base. I will routinely go looking for it if I haven’t seen it return within 10-15 minutes after the approximate cleaning time has passed. The age-old solution for solving a maze (your home from Robovacs’ perspective) is to constantly follow along obstacles using just one side (Robovac does recognize when it’s circling something like a coffee table and adjusts accordingly after a 360 degree rotation). This method is how Robovac tries getting closer to the charging station when it’s more than about 15ft away and not in line-of-sight (the charging base emits an infrared signal for homing action – make sure you keep Robovacs’ bumper and the base clean). Sometimes Robovac occasionally gets diverted or the software tells it to try something different) and it will go off in another (often wrong) direction (extremely frustrating!). I highly recommend observing Robovac perform it’s return operation from various areas in your home. I ended up placing a 2×4 along the end legs of my sofa as Robovac was consistently going along the side skirt, under the skirt at front of the sofa, then around the front leg exiting the side of the skirt, and then heading straight across the room. It would then go thru three other rooms and come back to the sofa again. The 2×4 forced Robovac to continue edging under the sofa, along the back wall, and out the other end which has an end table that mimics the 2×4 at the opposite end. Before using the 2×4, Robovac took well over an hour to get back to the charging base (it eventually changes up it’s routine, usually after three tries) and required 5 hrs to recharge. With the 2×4, Robovac has been able to get back from the far end of my house to the charging base in under 20 minutes very consistently. While the ability to improve Robovacs’ return mode is really limited to what you can do, the key point I’m making here is that the battery will always give you more charge cycles (longer life) before needing replacement if you can get Robovac back to the charging base as soon possible.Seventh, pay attention to the thin rubber wiping strip on the brush guard. After 60+ cycles I noticed the ends of the thin rubber strip (about 1/16” of it’s height) were tearing away. I believe this was most likely due to moving back and forth over edging from tile/linoleum to carpet or maybe due to the floor mounted furnace registers in my home. I simply trimmed the torn bits off to keep them from getting caught by the brush. After about 100 cycles I noted the rest of the 1/16” strip was now gone. This impacts the tile/linoleum cleaning far more than carpet; but it is something to watch for. I highly recommend checking the rubber strip during brush cleaning and purchasing a brush guard replacement as part of a maintenance set. Hopefully the manufacturer will improve the thickness or type of material used to prevent or at least reduce this problem occurring in the future.Next, a few helpful hints I’ve learned or didn’t find in the owner’s manual:The “bowl” shape on top of the charging base with the white LED is just right to hold the remote control, button-side up. However, I prefer to turn remote controls’ button-side down to keep them cleaner so it’s up to you if you use it or not.I’ve had a few occasions when Robovac actually bumped into the charging base so it was no longer sitting square against the wall. This will impact it’s ability to find the base when the battery is low. I took a used rectangular-shaped one quart motor oil bottle from my recycling bin, cleaned it thoroughly, and filled it with sand. It’s now a 3-4lb weight sitting on top of the charging base. I haven’t had the base re-positioned since adding the weight. Normally Robovac does a good job avoiding the charging base; but not always.Robovac “parks” about 1/2” away from the charging base tower. If you are careful, you can swipe a cloth over the bumper sensors to clean off any surface dust that has collected (always seems to be some); however, be careful as Robovac might activate while you are doing this. You might also get a solid red indicator without any beeps. This error isn’t described in the manual; but I’ve found if I just lift Robovac off the charging base for few seconds and then replace it, it will change back to the charging orange color. (I suspect the solid red indicates a sensor error) It’s also quite easy to remove/replace the dust bin during charging. Unfortunately you will need to flip Robovac on it’s back to remove/clean the side and roller brushes as well as the bottom IR sensors and charging contacts, so remember to turn Robovac off with the topside button before doing this or get used to it trying to start up while you are cleaning it. Also make sure the blue/orange indicator light is on when you reposition it on the base. Sometimes Robovac will remain off rather than return to charging mode.After two or three cleaning cycles I’ll do a regular check on the all the brushes and swap left and right side brushes when they are re-installed; seems to straighten and make them work a little better, maybe last longer too.Oddly the remote control spot clean button symbol and the manual indicate a clockwise spiral for the cleaning operation; but when I’ve selected it, Robovac has always used a counterclockwise rotation.If the side brushes happen to “hang up” on something, Robovac will stop spinning them while it maneuvers around the obstacle and then restart the brushes when it thinks it is clear. Don’t assume there’s a problem when you see this unless Robovac beeps and the indicator turns red.The flat handle end of a spoon or fork works great for prying the filter free from the bin for cleaning. Every time I have tried using my fingers; it pops out tossing dust/lint everywhere.The IQBoost mode doesn’t seem to change going from hard flooring to low pile carpet or vice versa in my home. I think this is because the low pile carpet just doesn’t cause enough “drag” for it to recognize that it could adjust the suction level. (I’m still not clear as to whether there’s just two suction levels or if Robovac can vary linearly between the two) While the manual indicates a 40 min run time in “max” mode with medium nap carpet, I’m obtaining about 60 minutes with my low nap carpet. I do find the “max” mode clearly picks up more dust. I ran Robovac 20+ times on IQ mode before switching to “max” for its scheduled operation. The filter has clearly shown a thicker layer of accumulation on the filter.When “max” mode is set as default you will occasionally hear the vacuum whining noise change briefly. Best I can figure is it’s a software glitch where the IQBoost code tries to adjust the suction level; but then resets it to max. I normally hear this shortly after Robovac goes from one flooring type to another. It also occurs shortly after it starts it’s routine.Robovac does not communicate back to the remote. So if for instance, you press edge cleaning and Robovac doesn’t get the message, the remote will show it should be performing edge cleaning even though it’s not. Similar situation when Robovac is recharging or is returning to recharge; the remote will still show it’s in the selected cleaning mode rather than the “charging” icon. You simply have to pay attention that Robovac has recognized your command by a “beep”.I found using the basketball nozzle with my Ryobi P737 inflator does an excellent job cleaning the filter. It takes only a couple minutes to clean both the filter and the bin (outdoors of course!). The original filter has been cleaned well over 100 times now and other than being a little dingy it’s still working great. This should help stretch the recommended replacement interval to more than 2 months compared to the recommended “tapping it” to clean. Do not use the “canned” compressed air as I frequently find it wets surfaces during extended spraying and the Robovac filter is a paper element.If you have a sofa, chair, etc, with stiff or heavy cloth skirting down to the floor; I suggest safety pinning up at least a foot or two of the skirting on an open side. When or if Robovac switches to using the proximity mode for cleaning AFTER it gets under the furniture, the skirt will appear like a wall and it will keep running around underneath the furniture until it switches to a collision mode where the weight of the skirt generally will not trip the bumper sensors and stop it from escaping.I’m glad I’ve used Robovac during the daytime so I could track it down and figure out what trouble it got into during its normal operation or when I expected it to be back at the charging base. The alarm beep sounds can easily be missed when it’s far away from you. Plus, when it powers down after getting stuck can make it lot more challenging to find! It’s a lot easier to locate when the vacuum sound is still going or even if it’s just the quieter wheel motors running it around looking for the charging base.To wrap up my review. I’ve found Robovac to be a well built, nicely designed, and quite durable robot vacuum. The $160 price I paid is quite reasonable with excellent cleaning ability (given it has about 1/10 the suction of a typical canister vac). It has good battery run times (my mixed flooring on IQ mode lets Robovac run about 80-85 minutes before recharging), and it is a wonderful time and energy saver. If you’ve been thinking about a robot vacuum without all the extras (or just don’t like vacuuming), the Eufy 11S Max is a great choice.
LakeOfJudea –
Pretty Neat-O!!
11S Max ReviewFirst and foremost, when you’re reading these reviews you will want pay attention to which vacuum they bought so that you know the reviews are about the one you’re interested in. There are 3 or 4 different vacuums being reviewed on this same thread.Update 6625:I noticed today why it tells you you should have six feet open space directly in front of the charging port: when the vacuum is returning home, she will go so many feet out away from the port so that she can turn around and line up to get on the charging nodes. In reality, I don’t think she needs more than 4 ft… But there may be issues with her being able to turn around if there’s anything blocking her. 6 ft is a lot of space, so you might be able to get away with 4 to 5, depending on your setup. Otherwise, you would have to use the remote to manually return her to the station, or pick her up and put her on the charger yourself. Not having the space is not a deal-breaker, it just means you will less of the “auto” features. Today I did let her run until her battery got low and she maneuvered herself back to the charger without any assistance.I also want to say she is doing a pretty job at cleaning. I’m used to having to sweep and then mop the floors… But after letting her run through the whole apartment for 2 days, when I’m up today it was such a nice smooth process. I didn’t get a bunch of debris and hair and other things clogged in the mop (which we all know can cause problems like scratching on your floors). This little vacuum is a blessing!If I’m not mistaken I believe her paperwork said that she uses about 40 watts of energy… Like a light bulb… when charging. I would think that that means that her energy usage, while charging, is equivalent to leaving a lamp on.Original Review:I literally just got this vacuum this morning and only did a test run for about 20 minutes. A big reason why I didn’t let it go all over the apartment is because I’m still in the process of moving and I have packaging everywhere on the floors, creating too many obstacles.With that being said, so far so good. I just let her run around in “Auto Mode” and she worked great. Yes, my robot vacuum is a “she.” I named her Suki, as she “Suki a lot of dirt.” Plus Suki is a name for “loved one,” and I love her already!! I swore up and down I was never going to be one of those people who have one of these… and here we are. And I probably never would have if I had not stayed with my sister and her husband for several months when I first moved to a new State. They have one and I really noticed how much a difference it makes and keeping up with pet hair and everything else.What seemed like really haphazard navigation ended up being a lot more mapped out than it first appeared. While it look like she was just going in random directions with no uniform, I did start to notice that she was not going over the exact same path upon return. So, somehow, it’s working to where I can tell the machine is covering everywhere. It definitely appears to be mapping while it’s in use, but I know it does not store mapping. That’s a big part of the need for Wi-Fi with other robot vacuums. I did notice that a couple people were complaining in the reviews about her constantly vacuuming just the edges by the wall… This is probably because they didn’t realize that she was in that mode. Because you can literally make it so that she focuses only on the borders. There’s quite a few nifty features that you can program the vacuum to do… And it even has a scheduling option so that you can schedule the vacuum to go off at whatever time you want (as well as a way to cancel the schedules if things change). Overall, pretty nifty. It does what I need it to do, and that’s all that matters to me. I don’t need a bunch of fancy features. My apartment is just under 800 square feet; therefore, I don’t need it to do special mapping to try to remember where it left off after a charge. It’s pretty much going to get the whole place on one charge.One MAJOR reason why I selected this, (outside of the lower cost) is because it does NOT require an app or Wi-Fi connection (in fact you absolutely cannot connect this particular vacuum to an app or Wi-Fi, so if that is what you’re looking for this is not the vacuum for you). Sure, with an app you can do things like trigger her to start running before you even get home from work… But, quite honestly, that doesn’t even matter to me. Because, if I learned anything from watching my sister and her husband’s pricier, self emptying robot vacuum? It’s that these things are constantly getting themselves into trouble and you need to be there to rescue them, anyway (which is a total drain on their battery if you aren’t there to save them). So, there’s no reason why I would need the robot vacuum to run while I’m not home. On a side note… I found it quite hilarious that the instructions say that you should not place her near the stairs or a cliff. And I was scratching my head wondering how many people with fortresses were buying these things. 😂😂😂And speaking of running… Very quiet. I would have to say that my stand up floor fan is way louder than this thing. The AC unit is louder than this thing. I would assume that some of that has to do with the fact that the suction is not superior in this thing, as it’s only at 2000 (really pricey robot vacuums are around 4,000). However, I have laminate floors (fake wood flooring in a linoleum-type flooring) and the throw rug in my living room is one of those very low profile new kind that are washable, which is comparable to a thick blanket.Speaking of the area rug… This thing had no problem going up and over and onto it regardless what angle she approached the rug. Sometimes she came onto the carpet straight on and other times she came up on to the carpet at an angle. And she didn’t even blink an eye!As stated before, I only took her for a test run and she picked up so much “tuck” in that short timeframe. I was thrilled that she even got all the little itty bitty popcorn pieces from all the styrofoam my furniture and other items were delivered in. It’s like no matter how careful you are taking things out of the boxes those little tiny popcorn pieces get everywhere and they are so impossible to sweep up. Keep in mind I had, just the night before, swept and mopped most of the area that she ran over today in her test run and there was still that much stuff in her canisterThe canister is very easy to remove. You don’t have to flip her upside down or anything. You just push down on the little release button with your thumb and pop it out. That is also where you will find a filter that you can clean out. Read the manual that comes with it throughout. It’s very helpful on how to keep her clean or else she won’t work properly.I love the remote. She got stuck trying to go over packaging from my couches that was on the floor. When she didn’t get the clue that she needed to back up and try something else, I just held down the down button for backwards and she totally backed up like a remote control car. I just pushed the right arrow button and she turned in that direction and I let it go and she took off. That was so awesome!When I felt that I had seen enough I decided to go ahead and use the remote to return her back to her charging station. She immediately responded (didn’t seem to want to respond to the remote commands when she was in another room, though). Once you push the button to send her home to charge, she will start moving slower. I think this is just the devices way of being very accurate in homing in on her docking station so that she can properly align for a proper charge. And speaking of our proper charge when I first unpackaged her I had to put her on the charger to charge her fully as it is recommended in the instructions before use. And I noticed at some point the orange light wasn’t flashing which is what tells you she’s charging. So I just hit the auto button as if I was going to send her out to suck up my dirt… And after she got a couple feet away from the dock I just hit the return button on the remote so that she could get on the dock properly. Work like a charm… didn’t have any issues with the charging stopping at that point.So I really can’t comment on longevity for the battery or parts. But I will say it would be wise to purchase spare brushes and filters for down the road just so that you have them when you need them. Because these things do wear down with use. The more you use it the quicker it’s going to wear down. Just a heads up. But these are not a “one-time purchase and forget about it,” just like most bagless vacuums require maintenance and upkeep.There was some damage to the box that it came in…. Not sure if it matters or not.If anything changes I will try to remember to come back and update this review. I did purchase an extra 2-year warranty just to be on the safe side.
Maye Rodríguez –
En la publicidad dice que barre y trapea, y no es cierto, solo barre, no me daba el tiempo de revisarla, pero al buscar el depósito de agua, me di cuenta que no tenía dicha función, por lo cual decidí devolverla
Shivangi,mumbai –
Amazingly clean floor. Maid or any himan cant do such a powerful cleaning. Wish they had mopping function too included in the same. Robo with mopping and brooming both are very costly so i opted for this one. Loved it. No hassel cleaning, juta need to take care of long hairs etc. Ut tangels the brushes. Hppy with extra brush, batter for remote and eztra filters provided by eufy.They are increasing price and usually not available due to covid pandemic. Bought a little early so got it.
helen dickson –
My robot Vac cleaner has been great! It works well and the app is great. It can be very noisy when it empties itself, but that doesn’t bother me.
ED –
We borrowed our friends’ Roomba when we first started thinking of buying a robot vac. It was super loud and our cats freaked out. I chose this one based on the reviews of how quiet it is. First time using – our cats were curious and alert, but they just observed from the couch (as opposed to full-on hiding in the closet when we ran the Roomba). Now, two weeks later, they just sniff it and walk around it as it goes about its vacuuming business. Don’t get me wrong, you will definitely hear that it’s running, but it’s a lot quieter and more pleasant than when we borrowed the Roomba.We have a 600 sq ft apartment, and it gets the whole place clean within its battery life. Our floors are all laminate. It picks up all the cat hair. It can easily get in and out of the smaller areas (galley kitchen, bathroom, other side of the bed that’s further away from the bedroom door). Long hair is not an issue in this household, but we find that for clumps of cat hair, we do need to clean them off the brush bristles as they get stuck there, rather than getting sucked up into the dust chamber. This is not a big deal, just a couple minutes of picking fur clumps off after 5+ runs. We mostly run this when we’re home, since we have to pick up all cat toys and food bowls before running it, anyway.Where it gets stuck:- Slightly different coloured floor due to shadows – it must have sensed a drop-off or obstacle, so it backed off. We have dark laminate flooring. On sunny days, or at night with even artificial light, it’s OK. On a cloudy day with weak sun coming in from the window, it misjudged the shadows on the floor.- The legs of a rolling office chair.- Desk legs. We have an IKEA Micke desk with the U-shaped metal legs. It can sometimes get one side over the leg, but can’t get off it. We placed a laundry hamper by the desk to prevent it from getting stuck there.Very happy with this purchase! Hopefully it will perform just as well once the heavy fur shedding season is upon us.
silvia D –
No se como no la compré antes!!Tengo una gata y un perro que tiran muchisimo pelo y siempre era un tema barrer 3 veces al día y aun así parecía que solo se removía el polvo y la pelusa….CON ESTO SE ACABó EL PROBLEMA. La aspiradora es muy fácil de usar y de ligar al teléfono y al internet de la casa, limpia perfectamente pelo, polvo y basurita pequeña ( la que es grande no la succiona) Cuando salgo de casa y se me olvida ponerla puedo activarla desde mi celular sin problema, la dejo aprox 1 hora y con eso es más que suficiente.Hace poco ruido (muy tolerable) y se limpia sin problema ( tiene un compartimento donde almacena el polvo y basura y se vacía muy fácil).Los sensores de caiga funcionan muy bien ( aunque no los he puesto TAN a prueba) no la he conectado a la Alexa pero la verdad con la aplicación del celular me es suficiente…incluso fuera de casa puedo activarla o detenerla.De verdad esta compra vale cada centavo