HQRP 2-Pack Batteries for Braun 6515 6520 type 5705, 6550 type 5704, 6525 type 5703, CruZer1 Model Z20, 2675 Type 5732 Razor / Shaver plus Screwdriver - Walmart.com
Li Ion Battery, Fits Braun, Norelco & Philips 18500
Braun Series 5 Razer Teardown and Battery Replacement - YouTube
Synergy Digital Shaver Battery, Compatible with Braun 5775 Shaver, (Ni-MH, 1.2V, 700mAh) Ultra High Capacity, Replacement for Braun 67030922 Battery - Walmart.com