Battery Replacement Guide for Braun Oral-B Genius Smart Toothbrush Type 3765 & 3771 9000 8000 6000 6

Tutorial misunderstood, house blew up. What now?

New battery replacement success! Excellent info. Thanks 😀

This was an excellent tutorial, the best of them out there! Well done. Shame all these companies though don't make it easy to simply pop the battery out and swap, it could obviously be done but they want you to spend another fortune a new toothbrush purely for the battery

How to open Oral-B PRO 3 3500 Typ 3772?

The repair went smoothly, but the terminal lug of the battery supplied had to be modified. At this point I used an AWG20 wire extension to connect the battery to the PCB.

to be honest, i could do this, but there is no way i would ever want to. not for a hundred dollar toothbrush. that would take hours of time and simply ridiculous. Ive removed my AMD gpu and resistor to bypass the SMC startup for my MBP, which was a living nightmare that required jumpers and that's for a multiple thousand dollar piece of equipment. This is damn near the same thing minus the software for a hundred bucks. Great tutorial though.

honestly we need to petition Braun to make these more easily repairable. Its a colossal waste as most people can't be bothered doing this much to just replace a freakin battery and just throw them away😡

anyone knows where I can get a new base cap? mine broke and wont stay closed now..

What voltage/ampage does the coil supply to the board when on the charger?

I lost the spring. Is it possible to buy a replacement?

Just finishing taking my brush apart and cleaned it and now works fine, did not even need to do any welding. At first it seemed the battery was sluggish/defective, but it appears the cleaning did the trick. So once taken apart try cleaning it before doing any welding...

Let us know how you got on with your Genius/Smart 6 toothbrush battery replacement below!