Having problems with your iRobot Roomba Red 4100 Bagless Robotic Vacuum ?

I have a two Rumba Vacuum cleaners that will not hold a charge. Any idea why?

Answers :

The batteries inside Roombas are NiMH...meaning they can only go through so many cycles before losing the capability to charge altogether. You can try discharging the battery completely (hook it up to a 12v light until it won't light anymore), recharging if fully then discharge it completely again...do this a few times and it might bring some life back to the batteries
It is odd that you have two Roombas that don't hold a charge. A Roomba battery
Repair Help & Product Troubleshooting for iRobot Roomba Red 4100 Bagless Robotic Vacuum

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I have a two Rumba Vacuum cleaners that will not hold a charge. Any idea why?

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