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Amazon.com: Replacement Battery for Oral-B 3738 Triumph 9000 Professional Care 8000 Professional Care 8300 Professional Care 8500 Professional Care 9500 Triumph 4000 : Beauty & Personal Care
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Oral-B Black 7000 Battery Replacement - iFixit Repair Guide
Replacement Toothbrush Battery for SOME Braun Oral-B Triumph 5000 9000 9500 9900 | eBay
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