Amazon.com: Synergy Digital Vacuum Cleaner Battery, Compatible with Electrolux ERGO01 Vacuum Cleaner, (Ni-MH, 12V, 1500mAh) Ultra High Capacity, Replacement for Electrolux 2199035011 Battery : Home & Kitchen
12v 2500mah NiMH battery for Hand vacuum cleaner, Electrolux CT96, AG8 – BATTERYINT
Amazon.com: AA 2500mAh for Electrolux AEG 12V battery ERGO RAPIDO 405513230 CT96 AG906 AG811 AG813 ML13 PNC900055110 PNC900164350 Handheld vacuum cleaner : Home & Kitchen
AEG AG901 Ergorapido replacing the batteries - iFixit Repair Guide