vhbw battery compatible with Electrolux Pure PI91, i9 Vacuum Cleaner Home Robot (3400mAh, 7.2V, Li-Ion) : Amazon.se: Home & Kitchen
BATTERY,2P - 4060001007 | Electrolux
New member of robotic family. At first glance much more advanced than roomba and can go on black pattern carpet :) pretty excited to test it more. : r/homeautomation
Electrolux Pure i9 review: This robot vac is a few features short of justifying its price tag | TechHive
Electrolux PURE i9 PI91-5BSM - buy at digitec
2000mAh Electrolux OSBP72LI25 Battery for 900277484 PI91-5SGM 900277264 Pure i9 900277252 ERV7200DB ERV5210IW RX9-2-4STN 9002772 - AliExpress