Dead battery on Shaving Machine - is the circuits dead? (Braun 6550) : r/fixit
Amazon.com: HQRP 2-Pack Batteries Compatible with Braun 6515 6520 Type 5705, 6550 Type 5704, 6525 Type 5703, CruZer1 Model Z20, 2675 Type 5732 Razor/Shaver Plus Screwdriver : Electronics