Hello,
I have a PHILIPS sonic toothbrush for repair, which has stopped working. After unscrewing, the first battery that I soldered se us14500vr2 680 mAh, the measured voltage was zero.
For tests with the TP4056 chip, I charged it to a voltage of about 4.1V, then connected back to the main plate of the brush, it activated it for nearly 3 seconds of vibration, and then the power LEDs were still on for 5-10 seconds. By pressing the button it made no difference.
Will just replacing the battery help? I can still see some sediment near the coil.
I am asking for advice.
I have a PHILIPS sonic toothbrush for repair, which has stopped working. After unscrewing, the first battery that I soldered se us14500vr2 680 mAh, the measured voltage was zero.
For tests with the TP4056 chip, I charged it to a voltage of about 4.1V, then connected back to the main plate of the brush, it activated it for nearly 3 seconds of vibration, and then the power LEDs were still on for 5-10 seconds. By pressing the button it made no difference.
Will just replacing the battery help? I can still see some sediment near the coil.
I am asking for advice.