Replace the battery with Oral B.

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If the Oral B electric toothbrush gives up its ghost, you may need to replace the battery.

Change the batteries in an electric toothbrush
Change the batteries in an electric toothbrush © Simone Hainz / Pixelio

What you need:

  • New battery
  • screwdriver
  • Soldering iron with solder

The Oral B electric toothbrush

  • Electric toothbrushes have become very popular in recent years.
  • This is especially true for the Oral B. However, if this has been in operation for several years, it may be necessary to replace the battery.
  • In order to be able to carry out the exchange, you need a new battery for this electric toothbrush, which you can then install in the device.
  • The housing of the Oral B is screwed to the bottom. After unscrewing, you can unsolder the battery and replace it with a new one.

How to replace the battery

  1. It is best to first remove the brush head from your Oral B so that it cannot be damaged when replacing the battery.
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  2. On the underside of the Oral B, which is plugged into the charging adapter, there are two slots with one elongated object, such as a screwdriver, about a quarter turn to the left have to.
  3. You can then carefully pull off the lower part of the electric toothbrush. However, be careful not to damage anything.
  4. Now carefully pull the entire inner workings of the electric toothbrush out of the housing.
  5. In the lower area there is a circuit board on which the battery is soldered. You can easily see the corresponding soldered connections of the battery. To replace the battery, you have to unsolder it from the circuit board. After unsoldering, pull the circuit board up a little so that you can remove the battery more easily.
  6. Now insert the new battery with the correct polarity at the corresponding installation point and solder it to the circuit board.
  7. You can carry out a functional test of your Oral B when it is removed to check that it is working properly.
  8. Then put the inner workings back into the housing of your electric toothbrush and close the housing by turning the bottom of the housing a quarter turn to the right.

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