How can I replace the battery

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Braun Oral-B Vitality Pro Type 3708

Repair guides, disassembly, and troubleshooting information for Oral-B Type 3708 electric toothbrushes. Identified by type number 3708.

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Toothbrush does not maintain charge and I would like to replace the battery

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jayeff @jayeff Rep: 522.2k 11 399 1.5k · Answer 1 · 2025-06-20T07:43:59-07:00

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Rep: 522.2k

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Here's an article that describes how to replace the battery in an Braun Oral-B Vitality Type 3709 that may help.

They're basically the same toothbrush and use the same battery.

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