Replacement Battery for Braun Oral-b Triumph Professional Care Toothbrush, FDK NiMH 2150 mAh with Narrow Tabs, 43 mm Long, 17 mm Diameter, - Newegg.com
Replacement Battery For Braun Oral B Triumph 5000 9000 9500 9900 Electric Toothbrush Batteries 49mm X 17mm - Rechargeable Batteries - AliExpress
Braun Oral-B Professional Care 9900 Triumph Ni-MH battery Replacement - iFixit Repair 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