crwdns2934241:0crwdne2934241:0 mayer

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The basic method is:

Dismantle handle

Desolder old battery and other connections from PCB

Remove charging coil, pressure warning light, pressure switch, PCB and battery

Replace battery

Reassemble PCB and other parts

Solder in connections for parts and new battery

Reassemble handle

http://toothbrushbattery.com/guides/braun-oral-b-professional-care-1000-battery-replacement/

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open