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The Roomba Red 4100 is a vacuum cleaner robot produced by iRobot that can clean a room all on its own.

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Can I charge my own battery from a power supply?

So my Roomba 4100 won’t charge the battery. So I pulled it out and hooked it up to my bench variable DC power supply. The battery is 14.4VDC, so I set the power supply at 14.5VDC.

So far it is drawing about 0.24 amp. (for the past hour)

Am I doing a bad thing? Is it going to explode or catch fire?

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Feel it to see how warm it is, if warm OK, if hot it’s not

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