Shaver Foil 31S 31B for Braun 5000 6000 Series Flex XP 5720, 5721 | eBay
Yustda 12V AC Adapter for Braun Flex XP Model 5611, 5612, 5613, 5614, 5663 Type 5720 5723 Smart Control Razor/Shaver Power Supply Cord Charger PSU - Walmart.com
Amazon.com: HQRP 2-Pack Batteries Compatible with Braun Flex XP Model 5663 Type 5720 Razor/Shaver Plus Screwdriver : Health & Household