How to replace the battery
How to remove the battery
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Hi @youssefsalib,
Please confirm the model number of your toothbrush?
In this question you said it was a Braun 3756 and in the question above it's a 3746.
They don't open the same way so showing the correct model number is important
If it is a Braun 3746 model, here's a guide that shows how to replace the battery in a Braun 4729 and a 3746 model toothbrush.
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