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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
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Battery Replacement Guide for Braun Oral-B Triumph v2 Toothbrush incl. 4000, 5000, 6000, 7000 Pro - YouTube
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Triumph 5000 Battery - Oral-B Triumph 5000 Battery - Spare Module Type Oral-B Triumph 5000 Replacement Nickel-Metal Hydride (Ni-MH) Toothbrush Battery – CutRateBatteries.com
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