FITHOOD Replacement Battery for Oral-B 3738 Triumph 9000 Professional Care 8000 Professional Care 8300 Professional Care 8500 Professional Care 9500 Triumph 4000
Amazon.com: KCDE Replacement Battery for Oral-B 9900 Toothbrush, Professional Care 8000, Professional Care 8300, Professional Care 8500, Professional Care 9500, Triumph 4000, Triumph 5000(2500mAh / 3.00Wh) : Health & Household
Battery Replacement Guide for Braun Oral-B Triumph v2 Toothbrush incl. 4000, 5000, 6000, 7000 Pro - YouTube