| Product Features - Internal Battery Pack For iRobot Roomba Robotic Vacuum Cleaners, 400, Discovery, and Dirt Dog models - 14.4V 2400mAh NiMH Battery Pack - Nickel Metal Hydride Battery - Up To 120 Minute Run Time Before needing charging - Max. Discharging rate : 10 C at 33A - Dimension: 5.35" x 1.77" x 1.77" (136mm x 45mm x 45mm) - Get 15% more life than Roomba OEM batteries - Battery Pack includes 70°C Thermistor installed, which will automatically shut the power off if the temperature reaches 70°C to prevent an overload.Product Description This is a replacement generic iRobot Discovery series NiMH battery. The maker of these batteries are in fact the same maker of the genuine iRobot batteries, and come off of the same assembly line as the genuine, more expensive iRobot name brand batteries. This battery pack is actually the internal battery pack, and can be changed out inside the current battery to your Roomba. This greener alternative to replacing the entire battery, and plastic casing can easily be done in about 10 minutes. This smaller 2400mAh battery will give 120 minutes of run time before having to charge the batter. You will need to purchase a triangular screwdriver if you don't currently have one.Please see detailed instructions on how to replace the battery pack below.- To replace the inside battery, you need to take off 4 screws on the case, then put new battery with solid connection. - Please make sure polarity of battery pack. Red wire is always connect to positive. |
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 Batteries OK Repair Didn't Work |
| Review Date: October 5, 2009 |
| Reviewer: B. Smith, |
| Bought these to fix a used Roomba. They charged, but then discharged instantly and took another 3 hours to recharge. Probably the Roomba and not the batteries. |
DO NOT BUY. Does not keep a charge.
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| Review Date: August 19, 2009 |
| Reviewer: Sven Liden, Seattle, WA USA |
I bought them, had high hopes of having a cheap option to the official Roomba battery.
Installation isn't totally easy because the plastic cap over the battery was glued all the way around -- took a while to open it. If it had actually worked as promised, this would have been OK.
But I plugged it in, ran it the first day. I don't know how long the battery lasted, but it seemed to be working fine. I charged again. A few days later I ran it, seemed to work. Charged again.
Third time: The charge lasted about 15 seconds, the Roomba complained and died.
Can't charge it any more, can't run it any more.
I've contacted the company for a refund/replacement, we'll see what happens. |
Cheap and easy replacement
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| Review Date: May 16, 2009 |
| Reviewer: Andrew Corran, |
| Easy replacement of dead battery, just remove soldered battery wires and solder on new battery ones. Completed in 10min." |
Works as expected & charges up fast
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| Review Date: March 27, 2009 |
| Reviewer: Hsi-ping Lung, |
| The battery pack came in fast and it works great. It charges up in 2 to 3 hours. My original one needed 8+ hours to charge. |
Cheap alternative
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| Review Date: March 25, 2009 |
| Reviewer: Mastiff, Midwest, USA |
| This thing is a great $$ saver, though you pay for it in the difficulty of removing the lid from the old battery. It can be done with patience, just be aware that it's not a 5 minute thing to install these. |
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