Philips Sonicare ProtectiveClean 6100 HX6871/49 Whitening Rechargeable Electric Toothbrush with Pressure Sensor and Intensity Settings, Navy Blue - Walmart.com
Generic Upgraded Version: 800 mAh 3.7v Li-ion Electric Toothbrush Replacement Battery Compatible with Philips HX9340 HX6930 HX6750 HX65