Molly Ayala
Electric toothbrushes are a convenient way to maintain oral hygiene, but they can be confusing to operate and maintain. Replacing the battery in an electric toothbrush can be a challenging task, especially with the variety of models available, such as the Braun Oral-B, Philips Sonicare, and Colgate Omron. This guide aims to provide a comprehensive overview of the process, covering topics such as identifying the precise model of the toothbrush, understanding the internal mechanism, and safely replacing the battery to ensure optimal performance. By following the detailed instructions and tips provided, users can confidently maintain and extend the lifespan of their electric toothbrushes, enhancing their oral care routine.
How to put batteries in an electric toothbrush
| Characteristics | Values |
|---|---|
| Electric toothbrush models | Braun Oral-B, Philips Sonicare, Colgate Omron |
| Identifying your toothbrush model | Check the Type number for Braun Oral-B, HX number for Philips Sonicare |
| Braun Oral-B model names | Professional Care, Genius, Smart, Pro, iO, AdvancePower, PlakControl, etc. |
| Replacing the battery | Use a small adjustable spanner, twist it anticlockwise, separate the white plastic part from the body, and slide out the inner mechanism |
| Reassembly | Insert the spring at the base into the coil, slide the assembly back into the body, align the parts, and snap them together |
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What You'll Learn
Identify your toothbrush model
Knowing the model of your electric toothbrush is essential for determining the appropriate parts and accessories. For instance, if you own an Oral-B electric toothbrush, you can identify the model by locating the Type Number and Production Code on the handle. The Type Number is a four-digit number found on the underside of the toothbrush, as indicated by red arrows in the user manual. This number is also listed in the manual. The Production Code, on the other hand, may vary in format depending on the model and can be located with the help of blue arrows. It's important to note that the "Type Number" on the packaging or box may refer to the charger, not the toothbrush.
Once you have the Type Number, you can utilise Oral-B's Service Website to find compatible parts, accessories, and user manuals. This website allows you to choose between finding replacement parts and downloading user manuals, making it a valuable resource for maintaining and utilising your Oral-B electric toothbrush effectively.
Oral-B offers a wide range of electric toothbrush models, including the iO Series 9, 8, 7, and 6, the Genius X, Genius 9600, Genius 8000, Genius 6000, Smart 7000, Smart 3000, Smart 1500, Pro 5000, Pro 1000, and Pro 500. These models vary in features and price points, catering to different consumer needs and preferences.
Additionally, it's worth noting that some Oral-B models offer app-enabled functionality, but the capabilities and functions of the app differ significantly between models. Lower-end models tend to offer fewer and less sophisticated features in this regard. When considering an Oral-B electric toothbrush, it's important to review the specific details of each model to make an informed decision.
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Open the toothbrush handle
To open the toothbrush handle, you must first identify the type of toothbrush you have. Braun Oral-B, for example, has used several marketing and model names over the years, including Professional Care, Genius, Smart, Pro, iO, AdvancePower, and so on. Therefore, the best way to identify the model of your toothbrush is by using the "
Once you have identified your toothbrush, you can refer to a repair and battery replacement guide specific to your toothbrush model. These guides will provide detailed instructions on how to open the toothbrush handle. For example, for the Braun Oral-B Vitality model, you would need to use a small adjustable spanner and place it around the flat of the white plastic part of the toothbrush. Then, twist the spanner anticlockwise until the white plastic disengages from the main body of the toothbrush.
Another example is the Philips Sonicare DiamondClean HX9340 model. While I couldn't find specific instructions on opening the toothbrush handle, there are repair and battery replacement guides available online that you can refer to. These guides will provide step-by-step instructions on disassembling and reassembling your specific toothbrush model, which includes opening the toothbrush handle.
It is important to follow the instructions specific to your toothbrush model to ensure you open the toothbrush handle correctly and safely. This will also help ensure that you don't damage the internal components of the toothbrush, such as the PCB (Printed Circuit Board) or the battery connections.
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Remove the battery
To remove the battery from an electric toothbrush, you will need to first identify the type of toothbrush you have. In this example, we will focus on the Oral B/Braun Vitality toothbrush.
Begin by placing a small adjustable spanner around the flat white plastic part of the toothbrush. Twist the spanner anticlockwise until you have twisted it about 30 degrees. The white plastic component should now be separated from the main body of the toothbrush.
Once the white plastic cover is removed, you will be able to access the inner mechanism, which should slide out easily. Set aside the main body, as we will not need this until we reassemble the toothbrush. On one side of the mechanism, you will find the PCB (Printed Circuit Board). This controls the charging of the battery and drives the motor.
To remove the PCB, you will need to de-solder the four tabs that hold it in place. Two of these tabs connect to the motor, while the other two connect to the positive and negative ends of the battery. After bending the negative tab on the cell upwards, the PCB can be lifted away. With the PCB removed, the battery can now simply be slid out of the body of the mechanism.
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Insert a new battery
To insert a new battery into your electric toothbrush, you must first identify your toothbrush model. For Braun Oral-B toothbrushes, look for the “Type” number, and for Philips Sonicare toothbrushes, look for the “HX” number. These model numbers can be found on the packaging or in the user manual.
Once you have identified your toothbrush model, you can follow a specific repair guide for your toothbrush model. These guides will provide step-by-step instructions on how to open the toothbrush handle, remove the old battery, and insert the new one.
For example, if you have a Braun Oral-B Vitality toothbrush, you will need a small adjustable spanner to remove the white plastic part of the toothbrush. First, place the spanner around the flat of the white plastic part and twist it anticlockwise. After twisting about 30 degrees, the white plastic part should disengage from the main body of the toothbrush. You can then slide out the inner mechanism, which houses the battery.
Take note of the spring at the bottom of the mechanism inside the copper coil, as you will need to set this aside along with the main body during the replacement process. On one side of the mechanism is the PCB (Printed Circuit Board), which controls the charging of the cell (battery) and drives the motor. De-solder the four tabs that hold the PCB and the cell in position, being careful to bend up the negative tab on the cell to enable the PCB to be removed. Once the PCB is lifted away, the old cell can be slid out, and a new one inserted in its place.
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Reassemble the toothbrush
To reassemble your electric toothbrush, start by inserting the spring at the base of the mechanism into the copper coil. Slide the assembly back into the body of the toothbrush, ensuring that the parts are aligned correctly. The switch on the PCB should line up with the button molding on the outside of the case. Once aligned, press the two parts together firmly until you hear a snap.
If your toothbrush doesn't work initially, don't panic. You can try re-energizing the internal chip by placing the toothbrush back on its charging cradle momentarily.
Before beginning the reassembly process, ensure that you have not lost the spring at the bottom of the mechanism. It is important to keep this spring, as well as the main body of the toothbrush, safe during the disassembly process.
When reassembling, pay attention to the PCB (Printed Circuit Board). This component controls the charging of the cell (battery) and drives the motor. Make sure the PCB's momentary push button is near the top, and ensure that the negative tab on the cell is bent upwards to enable the PCB's removal.
Once the PCB and the cell are in place, you can slide the inner mechanism back into the toothbrush. Twist the white plastic part of the toothbrush clockwise with a small adjustable spanner until it engages with the main body of the toothbrush.
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Frequently asked questions
The process of changing batteries depends on the type of electric toothbrush you own. To identify your toothbrush model, use the
The model name is usually found on the packaging of your toothbrush. However, Braun Oral-B has used the same marketing and model names across different toothbrushes, so the name cannot be used to reliably identify your toothbrush model. Instead, refer to the "Type" or "HX" number to identify your toothbrush model.
Using a small adjustable spanner, place it around the flat of the white plastic part of the toothbrush and twist it anticlockwise. After twisting about 30 degrees, the white plastic should disengage from the main body of the toothbrush. Once released, the inner mechanism should slide out easily.
Take care not to lose the spring at the bottom of the mechanism (inside the copper coil). Set aside the main body and the spring, as you won't need these until you reassemble the toothbrush. On one side of the mechanism is the PCB (Printed Circuit Board). De-solder the four tabs that hold the PCB and cell in position. Two of the tabs go to the motor, and the other two go to the positive and negative of the cell. The negative tab on the cell needs to be bent up to enable the PCB to be removed. Once this is done, the PCB can be lifted away, and the cell can be slid out of the body of the mechanism.
