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We have owned an i-Robot Roomba for several years and only used it less than 20 times. We found that we had to re-charge the OEM batteries sent with the unit at least 3 times to clean our 1200 square foot home. It became far more effective to used our manual vacuum, so the i-Robot sat. Fast forward to late 2015... We bought 2 sets of these batteries hoping to sell the unit with new batteries installed (and a spare set). The going price for the i-Robot would have easily justified the cost of the batteries. Once we received and installed the new batteries, everyone in the house fell in love with the i-Robot immediately. Needless to say that we did not sell the unit. We are getting 3 complete rounds of the house between charges. Furthermore, these batteries do not heat up and produce that "acrid- burnt battery smell" that we came to associate with running our Roomba. Maybe i-Robot could learn a thing or two about battery quality and customer satisfaction from this supplier. God Bless, jgreen135Read full review
Verified purchase: Yes | Condition: New
The battery would only last about 45 minutes in a Roomba 980 before it completely drained. It does not appear to behave well with the 980 which should last two hours on a full charge. Another odd thing is that it would not show a full charge on the app even after a day of sitting on the charger. The battery also weighs more than a genuine Lithium Ion battery that I purchased (and lasts two hours). This battery acts a lot like a NiMH battery.
Verified purchase: Yes | Condition: New
I debated off brand vs. Roomba brand batteries. I purchased these in part because my machine is about 4-years old and due for an upgrade/replacement because my 24/7/365 shedding Labrador hair is hard on the Roomba. My Roomba runs for 1.5-2 hours with these new batteries, same duration is new Roomba brand batteries for 1/3rd the cost. It's only been a month so I cannot attest to the life of these batteries but at 1/3 the cost I'm sure it will turn out to be a good economic decision. I got 150-200 charge cycles out of the Roomba brand batteries.
Verified purchase: Yes | Condition: New
I am happy with this product, came quickly and was fully charged. I installed this in my vac and proud to say it runs longer than needed. The vac fills up and talks to you . "Please clean and inspect" so the battery out lasts the vacuum's ability to hold dirt. So then, I think its great to have power to spare because ,I think the battery will last longer if not completely drained every time. I'm also proud to be part of Ebay . my favorite place to shop. Why? Because Ebay always makes it right! If on a rare occasion something is not what was ordered , they are there for you like a friend in time of trouble. I am so pleased with my friends that are always there if I need them. Its a secure feeling that is just perfect in an uncertain world.
Verified purchase: Yes | Condition: New
If you need a replacement battery look no further for a good one for your roomba 500/600/700/800 at 3500 ma and should last all of the three years of life expectancy. You should only pay about $17.99 and the free shipping for this type of battery. Keep it fully charged at all times (don't disconnect from charger/dock when indicator turns green) as I find it works best in my roombas the best that way , will last longer and run at it fullest capacity about 90 minutes and even longer at times! Hope this review helps you decide and/or saves you some money...
Verified purchase: Yes | Condition: New
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