Brand New FDK Replacement Battery for Braun Oral-B Triumph Type 3731 3738 3745 | eBay
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