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Ni-MH 49mm x 14mm Braun Toothbrush Battery

Condition: New
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Replace a dead or malfunctioning battery in select models of Braun Oral-B electric toothbrushes.
- 49 mm long
- 14 mm diameter
Battery degradation is an inevitable part of your electric toothbrush's lifespan — extend it with this replacement battery. If your electric toothbrush won’t turn on, won’t hold a charge, or you simply experience poor battery life, this replacement battery may be what you need to fix it.
Braun Oral-B Vitality electric toothbrush (type 3709) and the Vitality Sonic (type 3737) fitted with Ni-MH batteries. It can also be used to upgrade the Professional Care and TriZone type 3754 or 3756 models if you make a modification to the battery holder. This battery also fits various rechargeable shavers, trimmers and hair clippers.
For optimal performance, calibrate your newly installed battery: Charge it to 100% and keep charging it for at least 2 more hours. Then use your device until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.
Replacing this battery requires soldering.
Not suitable for replacing Li-ion batteries.
This kit does not include solder or a soldering iron.
Learn more about safe lithium-ion battery handling and proper disposal.
| Voltage | 1.2 V |
|---|---|
| Milliamp Hours | 2200 mAh |
| Manufacturer | Aftermarket |
| iFixit Part Number | IF389-022-2 |
Replacement Guides
Oral-B Vitality Battery Replacement
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