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
Oral-B Triumph Professional Care 3738 Toothbrush Battery Narrow Tabs 43mmLx17mmD | eBay
HQRP Battery for Braun 3738, 3745, 3761, 3762, 5000 Electric Toothbrush | eBay
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
Brand New FDK Replacement Battery for Braun Oral-B Triumph Type 3731 3 – Saftymind.com
Electric Toothbrush Battery 3731,3738 for Oral-B Triumph 4000,5000,9000,9400,9500,9900,Professional Care 8000,8300,8500,9500
Replacement Toothbrush Battery for SOME Braun Oral-B Triumph Type 3731 3738 3745 | eBay