Cameron Sino 2500mAh 3731 3738 Toothbrush Battery for Oral-B Triumph 4000 5000 9000 9400 9500 9900 Professional Care 8000 - AliExpress
Amazon.com: Replacement Battery Part No.3731,3738 for Oral-B Professional Care 8000,Professional Care 8300,Professional Care 8500,Professional Care 9500,Triumph 4000,Triumph 5000,Triumph 9000,9400,9500,9900 : Health & Household
File:Oral-B toothbrush with TP3 screw head.jpg - Wikipedia
Amazon.com: Replacement Battery Part No.3731,3738 for Oral-B Professional Care 8000,Professional Care 8300,Professional Care 8500,Professional Care 9500,Triumph 4000,Triumph 5000,Triumph 9000,9400,9500,9900 : Health & Household
Amazon.com: FDK OEM NiMH Replacement Battery compatible with Braun Oral-b Type 3731 or 3745 Toothbrush, with Narrow tabs (42L x 17D mm, 2150 mAh) : Health & Household
New 2500mAh Ni-MH Battery For Braun Oral B 3745 3728 3762 7000 3731 P7000 D25 D28 Electric Toothbrush 1.2V 42mm x 17mm Batteries - AliExpress
Amazon.com: FDK Replacement Battery Compatible with Braun Oral-b Triumph Professional Care (Type 3731 or 3745) Toothbrush (42mm Long, 17mm Diameter, 2150mAh) : Everything Else
Amazon.com: FDK Replacement Battery Compatible with Braun Oral-b Triumph Professional Care (Type 3731 or 3745) Toothbrush (48mm Long, 17mm Diameter, 2700mAh) : Everything Else
Braun Oral-B Electric Toothbrush Battery Replacement – Everyday Knosticism