Battery status This Philips Sonicare toothbrush is designed to provide at least 60 brushing sessions after fully charged for 10 hours, each session lasting 2 minutes. When the battery is low, the battery indicator starts to flash. Note: When the battery is completely empty, the toothbrush switches off. Place the handle on the charger to charge it.. Here is how to replace the rechargeable battery in the Phillips SoniCare FlexCare HX6930. This is a difficult repair, be careful.. Push the flat edge of a metal or nylon spudger between the seal and the toothbrush body and pry it open. Do this all around the edge until the seal is partially sticking out.. Remove the old battery and.
How to Remove Battery from Old Sonicare Toothbrush . If your Sonicare toothbrush is more than two years old, the battery may need to be replaced. Follow these steps to remove the battery from your old Sonicare toothbrush: Also Read: How to Use a Sonicare Toothbrush Video. 1. Turn off the power to the brush by removing the batteries.. Here are the steps to remove the battery from your old Sonicare toothbrush: Take the brush head off the toothbrush. Use a small flathead screwdriver to remove the metal band around the base of the toothbrush.