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
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
Oral-B Triumph Professional Care 3731 Toothbrush Battery Narrow Tabs 50mmLx17mmD 620947506818 | eBay
Oral-B Triumph Professional Care 3738 Toothbrush Battery Narrow Tabs 43mmLx17mmD | eBay
Braun Oral-B Triumph v2 Battery Replacement Guide
Replacement Battery for Braun Oral B 3745 3728 3762 7000 3731 P7000 D25 D28 Electric Toothbrush 1.2V 42mm x 17mm Batteries|Replacement Batteries| - AliExpress
Amazon.com: HQRP 49x17mm Battery Compatible with Braun Triumph ProCare 9900 9500 9400 9000 3731 Toothbrush Replacement : Health & Household