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Braun 3756 Instructions Manual
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Type 3757
Handle Type 3756
92188832/III-12
Korea/GB
KR
If you should require further
assistance, please call our
Consumer Service line.
Helpline
UK
0 800 783 7010
Helpline
IE
1 800 509 448
Internet:
www.oralb.com
www.oral-b.co.kr
www.braun.com
www.service.braun.com
Braun GmbH
Frankfurter Straße 145
61476 Kronberg/Germany

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Questions and answers

James D. Wilson
June 16, 2025

how to open bottom to replace battery

Ghinwa Alaouieh
April 28, 2025

I have oral B brush model 3756. I notice the battery after charge is not powerful very weak and stop in few second . Should I change the battery? Unable to open it from the bottom. Please advise

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1 comments:
Mr. Anderson
May 15, 2025

Yes, the original battery in the Braun Oral-B model 3756 may be weak and not holding a charge. One user reported that it only lasted 4 days between charges and had a capacity of just 1100mAh, even though it was the longer 49mm type. Replacing it with a higher capacity 2200mAh battery is suggested to improve performance.

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Summary of Contents for Braun 3756

  • Page 1 If you should require further assistance, please call our Consumer Service line. Helpline 0 800 783 7010 Helpline 1 800 509 448 Internet: www.oralb.com www.oral-b.co.kr www.braun.com Type 3757 www.service.braun.com Handle Type 3756 Braun GmbH Frankfurter Straße 145 92188832/III-12 61476 Kronberg/Germany Korea/GB...
  • Page 7 English Thank you for choosing Oral-B TriZone and welcome to Oral-B. This toothbrush has been designed to offer you and your family a unique brushing experience that is both safe and effective. Before operating this toothbrush, please read these instructions carefully and save this manual for future reference.
  • Page 8 2 minutes) (picture 1). • When the rechargeable battery is low, the red low charge indicator light (f) starts flashing after turning off the toothbrush. • For everyday use, the toothbrush handle can be stored on the plugged-in charging unit to maintain it at full power. Overcharging is impossible.
  • Page 9 use. Brush heads Oral-B TriZone brush head features triple zone cleaning action for outstanding plaque removal, even in between teeth. Oral-B also offers you a variety of different Oral-B brush heads that fit your Oral-B toothbrush handle and can be used for tooth-by- tooth precision cleaning.
  • Page 10 Disposal can take place at an Oral-B Braun Service Centre or at appropriate collection points provided in your country.