Amazon.com: HQRP 2-Pack Battery Compatible with Braun 7493, 6520, Models 7564, 7680, 7664, 7690, Remington R-950 R-960 MS3-3700 MS3-4700 Shaver : Beauty & Personal Care
Braun 6520 Replacement Foil Cutter
Braun Flex Integral, Contour Series 3 Replacement Shaver Heads 31S (5000 series, 6000 series) Foil and Cutter Set.
HQRP 2-Pack Batteries for Braun 5515 6515 6520 type 5705, 6550 type 5704, 6525 type 5703, CruZer1 Model Z20, 2675 Type 5732 Razor / Shaver plus Screwdriver and Coaster
How to Replace Batteries in Braun Shaver 6520 - YouTube
Braun Shaver Disassembly - YouTube
Vintage Braun 6520 Electric Shaver W Case - Etsy Australia