So the battery in my Oral B electric toothbrush died after about 3 years. So I changed it. Followed a guide to order the right battery and to do the replacement. Required a soldering iron and some other tools. Took about half an hour and the battery cost me a fifth of the price of a new tooth brush of the same model. 63. 2. Look at the battery indicator light. If the light is green, that means the battery is fully charged. If the light is red, that means the battery is low and needs to be charged. 3. Feel the handle of the toothbrush. If it's warm to the touch, that means it's receiving power and charging correctly. Take a look at the full Braun Oral-B Type 4729 Battery Replacement Guide here and learn how to repair your toothbrush now! Category: Guides. Tags: 4729, New Repair Video for Braun Oral B Type 3766 and 3767 Toothbrushes; New Info on Internal Batteries for Shimano Di2; Recent Comments. Battery Replacement Guide for Braun Oral-B Type 3766 & 3767 Toothbrush - Pro 2 3 4 2000 3000 4000. Watch on. The video is taken from our full photographic repair guide to replacing the battery in the type 3766 and 3767 Braun Oral B toothbrush. Categories: Repair, Video. Braun Oral-B Triumph v2; Braun Oral-B Vitality; Braun Oral-B Sonic Complete; Braun Oral-B Type 3728; Braun Oral-B Type 3754 & 3756; Braun Oral-B Genius Type 3765 & 3771; Braun Oral-B Type 3766 & 3767; Braun Oral-B Type 4729; Other Toothbrush Models; Blog/Info. Toothbrush Battery Replacement Service; Braun Oral-B Toothbrush Chargers Replacement Brush Heads Compatible with Oral B Electric Toothbrush Replacement Heads Precision Brush Heads Refills for Oralb Braun Pro 1000 Sonic Clean Soft Sensitive Precision More (4 Pk) Adult 4 Count (Pack of 1) 996. 300+ bought in past month. $699 ($1.75/Count) $6.64 with Subscribe & Save discount. .

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