Sonicare DiamondClean Smart Sonic electric toothbrush with app

Personalized coaching, Smart brush head sensors, Smart brush head recognition, 5 modes, 3 intensities HX9924/01

Frequently Asked Questions

How do I tell my Philips Sonicare battery is low?

Your Philips Sonicare toothbrush has smart ways to tell when it is time for a recharge. Check the following signs to see if your battery is still full.

Check the battery light

If you start to notice these signals we recommend that you place the handle on the charger to charge:
• Your battery light on the handle will flash yellow when it begins to run low
• You hear 3 beeps along with the yellow flashing light to indicate the battery is running low
• Your handle will continue to turn on with a low battery, however it will not turn on once the charge is depleted

Play Pause

DiamondClean Smart

The battery icon on your handle indicates the battery status of your toothbrush.

  • Icon fully white lit: your battery is fully charged
  • Icon blinking white: your battery is about half full
  • Icon blinking amber: your battery is running low, there are only about 3 brushing left
  • icon blinking amber accompanied by 3 beeps: your battery is empty, no brushing possible anymore

The information on this page applies to the following models: HX9924/01 , HX9924/41 , HX9924/21 , HX9924/11 , HX9945/01 , HX9985/01 , HX9985/41 , HX9985/21 , HX9985/11 , HX9945/08 , HX9985/48 , HX9985/28 , HX9985/18 , HX9985/08 , HX9193/05 , HX9192/01 , HX9194/08 , HX9193/04 , HX9193/03 , HX9192/02 , HX9170/10 , HX9141/10 . more less

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