AKKU 31135: Battery for Philips Sonicare DiamondClean, Li-Ion, 700 mAh at reichelt elektronik
Replacement Battery For Philips Sonicare Hx9342 Hx9332 Cleancare Essence Flexcare Healthywhite Electric Toothbrush Batteries - Rechargeable Batteries - AliExpress
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
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