Compatible with: Braun Oral-B 5000, 3738, 3745, 3761, 3762, 3764, 4736, 5000 Toothbrush. Please, notice that to replace the battery it is necessary to disassemble the Toothbrush. All Toothbrushes require soldering to install battery. If You are not sure that can disassemble the Toothbrush and install the battery correctly, we recommend to ask a specialist for help.
It is recommended to train a new battery: to fully discharge and recharge the battery 2-3 times for better performance and for the battery to gain its full capacity.
How to determine polarity correctly: The positive contact + is where the notch on the battery is, where there's no notch
* The prices and shipping costs may have changed since the last update. It is technically not possible to update the prices in real time. The time of purchase on the Website of the seller is used as the reference.