Amazon.com: Synergy Digital Shaver Battery, Compatible with Braun Series 9 9095CC Shaver, (Li-ion, 3.6V, 1900mAh) Ultra High Capacity, Replacement for Braun 3018765 Battery : Beauty & Personal Care
Braun Series 3 Electric Razor disassembly and battery replacement (original and AA NIMH batteries) - YouTube
Amazon.com: Synergy Digital Shaver Battery, Compatible with Braun 4840 Shaver, (Ni-MH, 1.2V, 700mAh) Ultra High Capacity, Replacement for Braun 67030922 Battery : Health & Household
Amazon.com: Synergy Digital Shaver Battery, Compatible with Braun Series 3 Shaver, (Ni-MH, 1.2V, 2000mAh) Ultra High Capacity, Replacement for Braun HR-AAUV Battery : Beauty & Personal Care