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
HQRP Battery for Braun 3731, 3738, 3745, 3761, 3762, 5000, Professional Care Triumph plus HQRP Coaster - Newegg.com
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
Brand New FDK Replacement Battery for Braun Oral-B Triumph Type 3731 3738 3745 | eBay
Braun Oral-B Electric Toothbrush Battery Replacement – Everyday Knosticism
HSABAT 3100mAh 42170 Battery for Braun Oral B 3745 3728 3762 7000 3731 P7000 D25 D28 Electric Toothbrush 1.2V 42mm X 17mm - AliExpress
Braun Oral-B Electric Toothbrush Battery Replacement – Everyday Knosticism
Replacement Toothbrush Battery for some Braun Oral-B Triumph Type 3731 3738 3745 | eBay
Electric Toothbrush Battery Replacement for Braun 3738, 3731 - 2500mAh, 1.2V | 800104379
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