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Andrew
Reviewed in the United States on March 8, 2025
I was skeptical of this battery due to all the other reviews being all over the place. I went to a bunch of other options on Amazon and ended up taking a chance on this one.I'm glad I did, as my Roborock S7 can finally clean a majority of my bottom floor of my house without having to charge. It's amazing for this 4 year old vacuum to feel new again.It could very well be a lottery type situation and I just got lucky, but my advice would be to give it a shot and if it doesn't work out return and try again.I can't vouch for the bigger capacity, but it doesn't matter to me as long as it's at least back to what I had when I first bought it.
Czr
Reviewed in the United States on March 24, 2025
Recently replaced my OEM Battery and this has been doing a great job on my Roborock S6 Max V. No complaints, time will tell how long it lasts.
Sergey Yakimov
Reviewed in Canada on February 10, 2025
Well packaged. I don't know how long it will last. I hope longer than the previous one from Ali Express
Peter
Reviewed in the United States on January 20, 2025
I have S4 Max I bought ~3.5 years ago. Battery has degraded to the point where it will leave two bedrooms uncleaned and go to base to charge before completing the cycle. I installed this battery, left it to charge over night, and next day at 1:30pm my vacuum wouldn't clean one of the rooms and went to charge instead.So I decided to fully charge the battery with lab bench power supply and test its capacity. With discharge down to 3.0V per cell at 2.0A of current it scored 4.4Ah. So it has ~66% of claimed capacity.Additional problem is that the vacuum won't drain battery down to zero during cleaning as it wouldn't be able to come back to the base to charge otherwise. I noticed that S4 will go charge when it reports That means that even with this capacity, voltage drop is big enough so the vacuum can't clean my whole floor on one charge. Any my house isn't that big - app reports around 55m2 or almost 600 sq ft.When original battery was new, I could set it to clear whole upper floor (55m2) and then carry it downstairs and clean additional ~30m2 (300 sq ft) without charging in between.Good thing that I can return it and get my money back. Maybe I got unlucky, but it's time to try another brand.
Eric
Reviewed in Canada on September 3, 2024
Vacuum robot was dying while cleaning with a nearly full battery. Having much experience with lithium batteries because of my hobby with radio controlled toys, I new this was a symptom of a failed battery. Popped the replacement battery in and voila, the problem was gone and my robo-vacuum was back to life. THX
Hong
Reviewed in Canada on September 22, 2024
It is a very good choice.My robot starts working well again. Thank you for quickly delivery!
G. Young
Reviewed in the United States on September 16, 2024
This appears to be a good replacement for the Roborock S4 Max battery. I was a little concerned because this battery actually weighs slightly less than the factory Original battery. Less weight is odd because this battery has a higher amp hour rating than the factory original. The battery was easy to install and appears to be working as intended. Be aware that when you remove the bottom panel from the robot vac, you will need to remove a piece of tape covering one of the screws. This will let the company know you have opened the unit. The robot vac appears to be working as it did when new. No error messages and great performance. I would recommend this battery for anyone with a similar model vacuum.
HNunez
Reviewed in the United States on August 2, 2024
After 4 year my Roborock S5 battery quit working. The vacuum battery was drained half way of my house and would not return back to the dock to recharge. I installed the new battery and worked perfectly. Then vacuum my entire house and used less than 50% of the battery. The vacuum was a little faster with the new battery.
Noah Maxwell
Reviewed in the United States on December 31, 2024
I’ve had this battery for several months now, and it’s still going strong. It was a drop-in replacement for my Roboroc vacuum that no longer would hold a charge long enough to complete a cleaning cycle. This battery fits perfectly and took about 5 min to install. Highly recommended.
roadrunner
Reviewed in the United States on December 2, 2024
My original Roborock battery died and I needed a new replacement. This battery has excellent capacity, enabling the vacuum to cover large areas without frequent recharges. After installation, the vacuum runs smoothly and efficiently, with no noticeable difference from the original battery. The installation process was straightforward, even for those who are not particularly tech-savvy. I found it durable since the battery showing consistent performance after multiple charging cycles. So far so good.
M Can
Reviewed in Canada on January 30, 2024
Used for 1 month, works well so far. My dead robot resumes working!
Customer
Reviewed in the United States on January 26, 2024
After 3 or 4 long faithful years of no issues with our Roborock, it kept dying while the charge was still decent, and we had to carry it back to the docking station. We proceeded for about a week and broke up the schedule to not do multiple rooms at once, but alas the battery kept getting worse.So far we have only had this for a couple of weeks but it completely fixed our battery issue. I am super pleased! I heard it was easy to install but I leave that to my man. I hope this lasts another few years. I love my roborock!
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