Amazon.com: Battery Replacement for Philips FC8705, FC8710, FC8772, FC8776 Part NO 4ICR19/65 FC8700 CP0111/01 SmartPro Compact Home Househol : Health & Household
14.8v 2200mah 18650 Li-ion Battery Replacement For Philips Robotics Vacuum Cleaner Fc8820 Fc8810 - Vacuum Cleaner Parts - AliExpress
14.8v 2200mah 18650 Li-ion Battery Replacement For Philips Robotics Vacuum Cleaner Fc8820 Fc8810 - Vacuum Cleaner Parts - AliExpress