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
Amazon.com: HQRP 49x17mm Battery Compatible with Braun Triumph ProCare 9900 9500 9400 9000 3731 Toothbrush Replacement : Health & Household
For Braun Oral-b 3738 Electric Toothbrush Charger - Used - Ac/dc Adapters - AliExpress
Amazon.com: Replacement Electric Toothbrush Charger Fit for Oral B, Inductive Charger Base Compatible with Braun Electric Toothbrush, Portable Environmental ABS Fit for Oral B Electric Toothbrush : 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