2 Reasons Why Your Philips Sonicare Toothbrush Is Not Charging. Dead Battery; My Sonicare toothbrush runs on a 1450 rechargeable battery rated at 3.6V. Yours probably has a similar battery too, or the exact one if it's the same model as mine. Anyway, that's not the most important thing.. Philips Sonicare Won'T Turn on Or Charge . If you're having trouble getting your Philips Sonicare toothbrush to turn on or charge, there are a few things you can try. First, make sure that the brush is properly inserted into the charging base. If it's not all the way in, the brush won't be able to make full contact with the charging.
The chargers for all Sonicare toothbrushes are different and not compatible with other Sonicare models. We recommend charging the toothbrush by using the original charger that came with your toothbrush. Note: If you are located in China and purchased your toothbrush before 1 September 2024, please call 4008 800 008 for support.. The chargers for all Sonicare toothbrushes are different and not compatible with other Sonicare models. We recommend charging the toothbrush by using the original charger that came with your toothbrush. Note: If you are located in China and purchased your toothbrush before September 1st, 2024, please call 4008 800 008 for support.