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
KiKiss High Capacity Battery 3300mAh for Braun Oral B 3745 3728 3762 7000 3731 P7000 D25 D28 Electric Toothbrush 1.2V Batteries - AliExpress
Oral-B Triumph Professional Care 3731 Toothbrush Battery Narrow Tabs 50mmLx17mmD | eBay
42170 3100mAh Battery for Braun Oral B 3745 3728 3762 7000 3731 P7000 D25 D28 Electric Toothbrush 1.2V 42mm X 17mm Batteries - AliExpress
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
New Genuine Oral-B Toothbrush Base Head Storage For (Charger 3731 Not Included) | eBay
Ilc Replacement for Oral B - 3731 B - 3731 ORAL | Zoro
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
3731 3738 Battery for Oral-B Triumph 4000 /5000 /9000 /9400 /9500 /9900 NEW | eBay