Oral-B Vitality Battery Replacement

Written By: Miles Gunty (and 4 other contributors)

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Difficulty

Difficult

Steps

Time Required

45 minutes

Introduction

Electric toothbrushes are powered by a rechargeable battery, that enables the reciprocating brushing motion of the bristles. If your electric toothbrush loses power quickly or doesn't hold charge, most likely the rechargeable battery needs to be replaced.

Tools

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Parts

NiMh 49mm x 14 mm, 1.2V battery with Tags

Not for sale

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Step 1 Battery

Pull off head, and use pliers to remove the white cap. Pull out the circuit core.

Pull off head, and use pliers to remove the white cap. Pull out the circuit core.

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Step 2

De-solder in these four (4) locations.
The two (2) motor connections
The Positive (+) side of the battery
The Negative (-) side of the battery

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Step 3

De-Solder lower battery connection terminal. Bend back battery terminal to clear circuit board.

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Step 4

De-Solder the three (3) upper terminals from the circuit board.

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Step 5

Use plastic prying tools to carefully pry off the circuit board. (Utilize metal spedger as a last resort)
There is a white tab that goes through the board, be careful when removing the circuit board.

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Step 6

Pull the circuit board and battery assembly out. Then proceed to remove the battery from the circuit board

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Step 7

When re-installing battery, remember to bend down lower terminal. And the negative (-) terminal is closest to the copper wires
Ensure you recharge the toothbrush after the repair.

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