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How to Open a Braun Oral B to Replace the Battery

If the battery in your Braun Oral B electric toothbrush has stopped working, many people will tell you that you have no choice but to throw the entire toothbrush away and replace it with a new one. Even the Braun Oral B website insists that the rechargeable battery in your toothbrush cannot be replaced. Despite what you've heard to the contrary, the battery in your Oral B electric toothbrush can be replaced. The first thing you'll need to do when replacing your electric toothbrush battery is to get your toothbrush open to access the battery. While this is more difficult than it sounds, it is by no means impossible.

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  1. Tightly grip the notches on the bottom of your Braun Oral B electric toothbrush with a pair of needle-nose pliers.

  2. Twist the pliers 45 degrees to the left to unlock the electric toothbrush's bottom cover.

  3. Pull the housing of your Braun Oral B toothbrush away from the bottom cover to reveal the internal components.

  4. Note the two small wires attached to the circuit board of your electric toothbrush. Place a piece of desoldering braid over the soldering points and touch the braid with the tip of a hot soldering iron to free the wires.

  5. Remove the bottom piece from the internal components of your electric toothbrush by applying pressure to the two clips that hold the piece in place. Set the piece aside until you are ready to reassemble your Braun Oral B.

  6. Examine the circuit board in your Braun Oral B electric toothbrush to locate the two soldering points that hold the circuit board in place. Use the desoldering braid and a hot soldering iron to remove the soldering points on both ends of the circuit board.

  7. Remove the circuit board to reveal the rechargeable nickel cadmium battery.

  8. Tip

    When replacing the battery in your Braun Oral B toothbrush, consider replacing the rechargeable nickel cadmium battery with a more environmentally friendly nickel-metal hydride battery. In addition to being better for the environment, nickel-metal hydride batteries can be recharged at any time and have twice the capacity of nickel cadmium batteries.


    Braun Oral B cautions against attempting to replace the batteries in their electric toothbrushes. Old nickel cadmium batteries should be disposed of conscientiously. Consult the third link in the Resources section of this article to find battery recycling facilities in your area.

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Things You'll Need

  • Needle-nose pliers
  • Desoldering braid
  • Soldering iron

About the Author

Megan Mattingly-Arthur has been writing professionally since 1998. She has contributed to various publications, including "Teen Voices" and "Positive Teens" magazines, as well as a book, "The Young Writer's Guide to Getting Published." Mattingly-Arthur is studying travel and tourism through Penn Foster Career School.

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