Amazon.com: 800mAh Electric Toothbrush Battery Compatible with Philips Sonicare Replacement Parts HX65 HX67 HX68 HX69 HX89 HX99 Series with Solder Wire and Rapid Disassemble Tools Set : Health & Household
Amazon.com : Upgraded 800mAh 3.7v Li-ion Electric Toothbrush Replacement Battery Compatible with Philips HX9360 HX6340 HX6610 HX6970 HX6511 HX6711 with Extra Rubber Seal : Health & Household
Philips Sonicare 4100 Plaque Control Rechargeable Electric Toothbrush : Target
Li-ion Battery for Philips Sonicare FlexCare Toothbrush Hx69xx Series for sale online | eBay