Electric Toothbrush Battery 3731,3738 for Oral-B Triumph 4000,5000,9000,9400,9500,9900,Professional Care 8000,8300,8500,9500 - AliExpress
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Replacement Battery for Braun Oral B 3745 3728 3762 7000 3731 P7000 D25 D28 Electric Toothbrush 1.2V 42mm x 17mm Batteries - AliExpress
Premium Battery for Oral-B 3738, 3731, Triumph 9900, Professional Care 9500 NEW | eBay
Amazon.com: Exell Electric Toothbrush Battery for Oral-B Dental Care/Hygiene Fits Oral-B 3731, 3738, Professional Care 8000, 8300, 8500, 9500, Triumph 4000, Triumph 5000, Triumph 9500, Triumph 9900 : Health & Household
Replacement Toothbrush Battery for some Braun Oral-B Triumph Type 3731 3738 3745 | eBay
Braun Oral-B Triumph v1 Battery Replacement Guide
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
Oral-B 3731, 3738 CS-OBT400SL
Amazon.com: FDK Replacement Battery Compatible with Braun Oral-b Triumph Professional Care (Type 3731 or 3745) Toothbrush (42mm Long, 17mm Diameter, 2150mAh) : Everything Else
New 2500mAh Ni-MH Battery For Braun Oral B 3745 3762 7000 3731 P7000 D25 D28 Electric Toothbrush 1.2V 42mm x 17mm Batteries - AliExpress
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: HQRP 49x17mm Battery Compatible with Braun Triumph ProCare 9900 9500 9400 9000 3731 Toothbrush Replacement : Health & Household
Oral-B Triumph Professional Care 3731 Toothbrush Battery Narrow Tabs 50mmLx17mmD | 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