Synergy Digital Vacuum Cleaner Battery, Compatible with Electrolux Pure i9 Vacuum Cleaner, (Li-ion, 7.2V, 2000mAh) Ultra High Capacity, Replacement for AEG OSBP72LI Battery - Walmart.com
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