Almost year ago I bought Electrolux PUREi9. Now they multiplicated. (It had some early software issues but now I'm really happy with it) : r/homeautomation
Battery Pack Electrolux PUREi9
Zestaw baterii do odkurzacza automatycznego AEG Electrolux Pure i9 Electrolux 4060001007 AGDparts.pl Zestaw baterii do odkurzacza AEG Electrolux Pure i9 4060001007
Battery Pack Electrolux PUREi9
Electrolux Pure i9 battery pack 14,4V - fhp.fi - appliance spare parts
2000mah Electrolux Osbp72li25 Battery For 900277484 Pi91-5sgm 900277264 Pure I9 900277252 Erv7200db Erv5210iw Rx9-2-4stn 9002772 - Rechargeable Batteries - AliExpress