Is my 3757 Oral B toothbrush repairable? On button doesn't work

Is my 3757 Oral B toothbrush repairable? On button doesn't work Yesterday my 3757 Oral B toothbrush worked fine; it was fully charged. This morning it worked briefly, then turned off, and finally the on button doesn’t work at all. I don’t know the age of this product—is it repairable?
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bert [Entry]

"@bloomnfun ,

It might depend if the battery is holding its' charge or not.

One symptom of a failing battery is that it will appear to ""fully charge"" voltage wise, but then when you go to use it it will discharge very quickly or even if you don't use it, it will self discharge more quickly than usual, as its’ charge capacity has actually diminished.

Even rechargeable batteries have a lifespan.

If you do decide to replace it make sure that you get a battery with solder tabs - example only (assuming its a AA size and not a AAA size) as a replacement. This way you won’t have to apply too much heat to the battery to solder it into position as you would if you just got a standard replacement battery"