There are many ways to charge electric toothbrushes, and different brands and models of electric toothbrushes may use different charging technologies. Here are some common ways to charge your electric toothbrush:
1. Charging base: This is one of the most common charging methods. The charging base of an electric toothbrush is usually connected to a power outlet, and then the electric toothbrush is placed on the charging base to charge. The base and toothbrush may be connected via magnetic suction or slots.
2. USB charging: Some electric toothbrushes support charging through the USB interface and can be connected to a computer, power bank or other USB power supply device for charging.

3. Wireless charging: Some high-end electric toothbrushes support wireless charging technology, similar to wireless charging of smartphones. Simply place the electric toothbrush on a specific charging base and it will charge, no physical contact required.
4. Rechargeable battery replacement: Some electric toothbrushes use rechargeable batteries. Users can replace the batteries and then put the batteries into the charger for charging.
5. Solar charging: Some environmentally friendly electric toothbrushes may support solar charging and are suitable for outdoor environments.
Different charging methods have different advantages and applicable scenarios. You can choose an electric toothbrush with a suitable charging method based on your needs and preferences. No matter which charging method you choose, ensure the safety and stability of the charger and power supply to avoid affecting the charging effect and the service life of the electric toothbrush.