Electronics Repair Questions? Ask an Electronics Technician
Hi, thank you for contacting JustAnswer.com. My name is Russell. I will do my best to provide the right answer to your question.
The beeping at long intervals, is probably a signal that the battery is low on voltage, or is failing and not charging up fully and that sort of thing.
How old is the battery in the powered toothbrush in question?
How long does it run on one charge?