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Internal Battery Pack For iRobot Roomba Robotic Vacuum Cleaners, Fits Inside Roomba Battery 4905 Item number # 11700
Internal Battery Pack For iRobot Roomba Robotic Vacuum Cleaners, 400, Discovery, and Dirt Dog models- 14.4V 3800mAh NiMH Battery Pack
This Nickel Metal Hydride Battery- Up To 200 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.
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. 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.