This tutorial guide will show you how to open the Braun Oral-B Triumph v2 electric toothbrush and repair it by replacing the rechargeable battery. Links for buying the batteries are below. Guide is applicable to the Triumph Professional Care v2 model range with type numbers 3761, 3762 and 3764 on the base.
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Triumph v1 types 3731, 3738 and 3745 are similar but the base of the handle is opened in a different way - see the Triumph v1 video here:
[ Ссылка ]
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Direct link to the 42mm x 17mm batteries:
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Direct link to the 49mm x 17mm batteries:
[ Ссылка ]
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For more detail please read the full in-depth guide with photos on our website at [ Ссылка ] where you will also find guides for other models.
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Buy your replacement toothbrush battery at [ Ссылка ]

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