Battery Replacement Guide for Braun Oral-B Vitality Electric Toothbrush - YouTube
Amazon.com : Oral-B 3D White Battery Powered Electric Toothbrush, 1 Count (Colors and Packaging May Vary) : Oral B Electric Toothbrush : Health & Household
49mm x 17mm Braun Oral-B Battery with Offset Tag - GP - ToothbrushBattery.com