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roborock E4 Robot Vacuum Cleaner, Smart Navigation Robotic Vacuum, 2000Pa Strong Suction, 200 min Runtime, Self-Charging, APP Control, Perfect for Pet Hair, Carpet, Larger Home, Works with Alexa

    • Based on 7,420 reviews
Condition: Used - Like New
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Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon
Arrives Tuesday, Jan 7
Order within 6 hours and 59 minutes
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Style: E4


Features

  • Z-shape Route Navigation & Mapping: Compared with other robot vacuums of the same price, E4 is powered by OpticEye motion tracking and dual gyroscope route algorithms, can make a route planning while cleaning and never miss any corner of your home. You could see the cleaning map it builds up on App.
  • 4 Cleaning Mode & Strong Suction: Designed with 4 cleaning mode(Silent, Balanced, Turbo, Max), you could choose different modes for different floors on the App. And when walks on the carpet, it will automatically increase the suction power (2000pa max) and take away the tenacious dust on the carpet, making your family life healthier.
  • Large Battery & 200 Runtime: A 100% battery can run for 200 min, is enough to clean up to 2152sqft. When the robot vac is low of battery during cleaning, it can automatically recharge and then continue cleaning where it left, so if you have larger house, just entrust the cleaning work to E4, without worries.
  • 640 ML Dustbin & Washable Filter: A 640 ml larger dustbin can store more debris, making the robot vacuum easier to clean large spaces or just empty it less often. The washable filter means longer service life and better cleaning effect.
  • App & Voice Control: Control every element of your robot wherever you are from the Mi Home app. You could even set a cleaning schedule for each room. With Alexa and Google Home support, you could freely start and stop cleanups and more with the power of your voice.
  • 24 hours Customer Care: Roborock provides a 12 months warranty for each product. And if you have any questions, please contact our 24-hour customer service center.

Brand: roborock


Model Name: E55


Surface Recommendation: Carpet,Floor


Special Feature: ❤Oversize dustbin, ❤2152sqft/200mins one charge, ❤OpticEye Navigation, ❤2000Pa strong suction, ❤Ideal for pets


Color: Black


Product Dimensions: 13.8"L x 13.7"W x 3.6"H


Controller Type: App Control


Included Components: 1* E5 Robot Vacuum Cleaner, 1* Charging Dock, 1* Power Cable, 1* User Manual 1*Remote


Filter Type: Washable


Battery Life: 200 minutes


Battery Cell Composition: Lithium Ion


Voltage: 240 Volts


Item Weight: 7.9 Pounds


Capacity: 0.64 Liters


Power Source: Battery Powered


Are Batteries Included: No


Control Method: App


Form Factor: Robotic


Item Weight: 7.9 pounds


Manufacturer: roborock


Item model number: E4


Batteries: 1 Lithium Ion batteries required.


Specific Uses For Product: carpet


Warranty Description: Authentic products from roborock technology co. Ltd enjoy 1-year warranty.


Batteries Required?: Yes


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Jan 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • E4 Works Well with Limitations
Style: E55
Review Image by Anonymous
This review is long, but if you’ll take the time to read it, I think you’ll find a lot of useful information about the Roborock E4. It is a good alternative both in price and performance to the random navigation robot vacuums, which just bounce around. Budget robots feature random navigation as do the less expensive models of Shark and Roomba. The E4 uses internal navigation to move around your home leaving straight lines and covering 99% of a room. Cleaning ability on medium pile carpet and tile: 5 stars Battery Life: 5 stars Navigation: 4 stars Customer Support: 5 stars App quality: 0 stars Total score: 3.8 (4) stars Pros: 1) The battery life is amazing. There are few, if any, manufacturers out there that use a 5200mAh battery in their bots. If the E4 manages to make it to every room, it can do our whole home (a little less than 1700 sq. ft.) in a little less than 2 hours on the Balanced mode, which I find to be sufficient. Our home has a lot of medium-pile carpet. I have the carpet mode turned on, so it will increase suction when it detects carpet. If you have a smaller home than I do or don’t have much carpet, I feel reasonably confident that it will be able to clean your whole home. 2) I have long hair, and we have two short-haired dogs. I’ve had the vacuum a week and a half, and it hasn’t had one hair get tangled in the brush. I don’t know how it does it, but it is amazing. 3) As mentioned before, it employs an algorithm that allows it to vacuum a room in mostly up and down lines, which ensures that most areas are cleaned, and the straight lines are pleasing to the eye. (Photo attached) 4) The bot can be controlled by the buttons on the top if desired rather than from the app. 5) The suction is rated at 2000Pa. There are only a few other vacuums out there that have a stronger suction of 2500Pa. It cleans VERY well. 6) The side brush is a silicone brush. It doesn’t have bristles, which I have read can get tangled with hair, so if true, this is an improvement. 7) I’ve had to contact CS through email support several times. Because the headquarters are in China, I would receive a message from them the next day, but they always responded to my emails. I might add that they were extremely helpful in providing solutions to the app issue explained later. 8) We have an entryway threshold that is ¾” high. The E4 will try to go over it sometimes and does get on top of it, so it appears to have good climbing abilities. Cons: I dislike using this word, because this bot is what it is. It’s not a “smart” robot per se, since it doesn’t have cameras or radar (Lidar) and can’t do some of the things that people think it might, but here goes. (And a few are definitely cons…): 1) Because it doesn’t use cameras or radar (Lidar), it is more or less blind. Like I said earlier, it uses internal sensors (gyroscopes and an electric eye) to detect objects, and it does a pretty good job of that. It makes a “map” of your house, but the map is kind of useless, since you can’t set no-go zones or section off/name rooms. You can’t tell it to go clean a certain room for example. And it will miss cleaning some rooms of the house and clean others twice, so... 2) It is supposed to be able to sync with Alexa, which you can use to turn it on or off; that’s my understanding anyway. We use Google Home, and at this time, it is not compatible with it. 3) It’s supposed to clean the internal part of the room first and then clean the perimeter. I have yet to see it do this. It mainly just cleans up and down but does go around most parts of the perimeter while in the room. It will sometimes clean the same path a few times, but I think it’s because it’s trying to decide where to go. 4) This is a big con for us. If the battery gets below 20%, and it doesn’t think it’s done cleaning, the bot will go back to the dock to recharge and then resume cleaning. Because I manually block some areas of our home with dumbbells, pillows, etc. to keep the bot from going there, I need to remove them at some point. With two dogs, they can also get their toys out or drip water on the floor after getting drinks, so I wish there was a way to turn off the charge and resume feature, as I only want the robot to clean when I know it’s safe for it to clean. I have to check my app occasionally to see how much charge is left, and done or not, when there’s about 22% of the battery left, I send it home to dock. It will not resume cleaning if you do this. You can buy a magnetic strip to make no-go zones, but I don’t want those strips all the time in the areas I need to block. 5) Because of connectivity issues, the best place for our dock is in the room with our router, which is a far bedroom. The E4 cannot find the dock many times and wanders around aimlessly looking for it, until the battery reaches 10%, and then it stops where it is and states that it has Error 12. I have to pick it up and set it manually on the dock. The funny thing is, is that it can be near the room with the dock, and when I send it home to dock or it thinks it’s done cleaning, it will turn and go the opposite direction. If I was able to keep the dock in a central area of the home, it might not have this problem. So I now just keep my eye on the battery indicator, and when it reaches 22%, I manually pause the E4 using the power button on top, pick it up, set it in front of the dock, and then hit home. 6) I had an issue with the app two days after I got the E4. The remote function stopped working and then the next day, nothing worked on the app except the battery life indicator. The vacuum settings and voice settings showed strange screens when I selected them. This is when I contacted CS. While in contact with them, I tried all sorts of things...clearing the cache on the app, deleting the app, and reinstalling the app. I finally decided to move the dock into the bedroom where the router is located. I deleted the E4 from the app, and then re-added it. When I did that, all the screens returned to normal, and all the functions worked. Flash forward to two days after I thought I got it fixed. The bot started cleaning using the clean command on the app, but nothing on the app would work after that except the battery indicator. I did everything I did before including deleting the device from the app, but this time, it said there was a wi-fi connection error. WTHeck. Good thing I only need the app to see the battery life (which it does show), because if I needed it for more than that, I would be SOL. The E4 cleans amazingly well, so I am going to keep it, since that’s why I bought it, and I can do everything I need to do from the buttons on the unit. I did contact CS about this again, and through a process on their end, I was able to let them have control of my app to see what the issue is. In the meantime, I was able to get the app working again by sheer luck. Customer service has continued to work with me on this issue, and they get a 5-star rating from me for their continued support. Other Observations: 1) It will sit and spin when it’s deciding where to go so no worries if you see it do that. 2) Spot cleaning works well. But by the time you use the remote control feature on the app to direct it to the spot, you could have gotten a regular vacuum and gotten a mess cleaned up in the time it would take you to start the navigation of the robot. So I find the spot clean feature to be more of a novelty. 3) The remote control feature has a delay in time from when you touch (and briefly hold) the button to when the bot receives the command. 4) Whatever direction your dock is facing is the direction it will clean for the most part. For example, if you have the dock on a north wall facing south, the bot will mainly clean in a north/south direction. So you may have to move your dock to face different directions until you find the best place for it so that it will clean the majority of your home. My final observation is that its best use is to just turn it on and let it run. Forget the spot cleaning, forget about trying to direct it somewhere, and don’t worry if it misses a few areas--it may go back at some point during the cycle and get them or get them the next run. I bought the E4 at the introductory price of $242. I had some Amazon gift cards and reward points that I used, which brought my price down to $157. At the price I paid, it is worth having even if it only lasts a year--that’s $3 a week to have clean floors. And if it lasts longer than that? Great! Other budget vacuums in this price range or a little cheaper have half the battery size and vacuum in a random pattern, so those are big turn offs for me. (Eufy or Coredy seem to be the best budget random pattern vacuums according to Vacuum Wars on YouTube and according to the reviews.) So for right now, the Roborock E4 is the best one out there for what I’m willing to spend. ... show more
Reviewed in the United States on May 18, 2020 by Anonymous
    • Buy a robot vacuum already!
Style: E55
Review Image by That One Blonde
Review Image by That One Blonde
The robot vacuum post that you didn't know you needed! TL;DR Roborock E4 {$179-$269} Roomba i6+ {$549-$799} If you're looking to get a robot vacuum, I would like to say DO IT. As to which brand to pick, it's a toss up, and completely depends on your budget. I bought our Roborock on sale for $179 last year and have been very pleased with it. My heart was originally set on the more pricey Roomba self-emptying units, but since I am frugal and wanted to see if it would even work here, I went with the lesser expensive bot. We have a house full of old furniture and rooms so I didn't know if a robot would even jive here. I have been VERY pleased with our Roborock. It has done a great job over the last few months while we are not home. I would say, realistically, 8 out of 10 times it went off without a hitch. It went down our foyer stairs one time and had also gotten itself lodged under my sewing machine and other furniture a handful of times. Every day that it did its cycle (Monday, Wednesday, and Friday at 9am) I would come home and empty the trap. It has a washable filter and I cut the hair from the brushes and cleaned the sensors. It has been well worth the $179 to not have to see cat hair, hay, gravel, stove dust, and leaves everywhere. A week ago I bought the unit I had had my heart set on. Well, the unit a tier above the one I had had my heart set on. The lowest priced Roomba unit with the self emptying dock has been at about $500 for the last year, the i3+. The next level up, the i6+, has run about $799. Last week, and even now, Amazon has had the i6+ for the same price as the i3+. My assumption is that a new i6+ is probably coming out soon so they're blowing them out. WHICH IS FINE, I want one. I don't spend a lot of money on goofy things, except 1978 El Caminos, so I decided to spoil myself with this i6+. To be honest they were similar in price LOL. I'm an adult with adult money, no kids, and a farmy kind of property with a dusty wood stove so I did it. After purging, donating, selling, and burning almost everything I owned in the fall, having a clean house feels absolutely amazing. Having a clean floor 24/7 is almost euphoric. I enjoy being home and no longer have those nagging feelings of dread about things I need to be cleaning. I also very much enjoy the kitty cats and Chris and I have raging allergies so I need something to clean up the hair. My feelings so far on the two: Quality of the clean: Roomba and Roborock seem to clean the same. I was very pleased with both. The Roborock generally took a little more than an hour and would get down to about 30% battery life. It was also slower than the Roomba. The Roomba is a faster unit, almost a bit more violent, and takes about 3 hours to complete the first floor. It does seem to be more thorough and charges itself halfway through a first floor cycle. Apps: I didn't want to get another brand so I'd have a second app, but I went with the Roomba anyway. The Roomba has a far superior app. And by far I mean, from here to Australia. The Roborock app is great and easy to use, but very primitive. You also cannot choose certain areas to clean with the E4. It cleans everything or nothing. The Roomba i6 created a map of our house and will just do certain areas that I tell it to. It can do certain rooms on different days of the week or on command. Both tell you when to perform regular maintenance on the machines, when they are stuck, or if software updates are needed. Parts: I like that the Roborock company and Roomba BOTH offer replacement parts at affordable prices. I have been able to take apart and clean out the Roborock really easily. I won't have to do anything to the Roomba for a while, but I will have new brushes, filters, etc. on hand for when it is due. Clumsiness: The Roomba is definitely a superior machine, but it should be, at 3x the price of the Roborock. The Roborock is very primitive but very gentle. Like I said, only 1 time out of dozens of cleanings did it go down some stairs. And it was probably my fault for not cleaning the sensors. The Roomba is much, much faster and almost more violent, sometimes bashing pretty hard into my furniture and woodwork. I think after a few cleanings, it will figure itself out and no longer hit so hard. The Roborock is definitely a more simple, slower, and more methodical machine. Roomba goes in curvier lines and seems to have a method to the madness. Roborock says eff this madness, I need to go in a straight line or I'll die. Convenience: Both are great in that they are vacuums that I don't have to push around. We have so much wood floor, furniture, and trim - it is super cool to not have sheh just pushed up against it. I also cook a lot so the crumb thing was driving me bonkers. I do have to manually empty the trap on the Roborock, but it's not bad at all. A few seconds and I'm done. The filter is also washable, so it lasts a long time. The Roomba has the base that sucks the dirt out of the machine and into a disposable bag. 1. The base sounds like a god dang jet taking off when it gets the dirt out of the vacuum. 2. I haven't quite gauged how long it will take to fill the bag. Now I'll have to purchase bags from time to time. I'm not sure how I feel about it. But having to not have to remember to empty the little bastard is convenient since I have it running 3 days per week. Sounds: Both are god dang vacuums. They sound like vacuums. Run it while you aren't home. I hate seeing people complaining about the noise in online reviews. IT'S A effING ROBOT VACUUM, WHAT MORE DO YOU WANT? Physical differences: They are approximately the same size and weight. Both are black and have cameras and sensors in approximately the same areas. Major differences are that the brush on the Roborock is 1 actual bristled brush, while the Roomba has 2 rubber "brushes" that work simultaneously to pull dirt between them, instead of sweeping dirt up into a bin like the Roborock. Both seem to function very similarly, but I'd have to give the blue ribbon to the Roomba. I want to point out that the other reason I went with the Roomba was that the higher quality Roborocks [$500-$800] only come with vacuum AND mop features, and I did NOT want a mop feature. They also do not come with a self-emptying dock. I personally don't see how you can jam a mop system and a vacuum system in a bot the same size and not compromise the vacuum capabilities. I also read a lot of reviews that the mop part is just a glorified restaurant pre-packaged moist toilette and having it drag that around my entire first floor seemed kind of gross. It's just us and the cats, I will mop when I need to. ... show more
Reviewed in the United States on September 12, 2021 by That One Blonde

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