Vacuum Battery For AEG Rapido ErgoRapido 405 52 51-53/4 | eBay
UPBRIGHT Adapter For Electrolux Ergorapido Model EL1006 Type B Volts 9.6V D.C. Household Type Vacuum Cleaner Power Supply Cord Cable Battery Charger - Walmart.com
Amazon.com: Synergy Digital Vacuum Cleaner Battery, Compatible with Electrolux 8087979053, 809115702, VBHC7787E Vacuum Cleaner Battery (18V, Li-ion, 2500mAh) : Home & Kitchen
AEG AG901 Ergorapido replacing the batteries - iFixit Repair Guide