Amazon.com : Electric Toothbrush Battery Replacement for Philips Sonicare HX6300 HX6500 HX6610 HX6700 HX6900 HX9300 Series with Waterproof Shaft Rubber Seal, Solder Wire and Disassemble Tools : Health & Household
1 x Philips Rechargeable 9V battery 170mAh 6HR61 Ni-MH up to 1000 charges PP3 | eBay