High quility 14.8V 3000/3500mAh Li ion Battery for Philips Robotics Vacuum cleaner FC8820 FC8810 Vacuum cleaner parts|Rechargeable Batteries| - AliExpress
14.8v 2200mah 18650 Li-ion Battery Replacement For Philips Robotics Vacuum Cleaner Fc8820 Fc8810 - Vacuum Cleaner Parts - AliExpress