2500mAh Electrolux VBHC7787E 809115702 8087979053 Battery for ZB3015SW ZB13ER ZB11ER ZB 3013 ERGO12 Ergorapido Plus 900273744 90 - AliExpress
Amazon.com: Synergy Digital Vacuum Cleaner Battery, Compatible with Electrolux ErgoRapido Vacuum Cleaner, (Ni-MH, 14.4V, 1500mAh) Ultra High Capacity, Replacement for AEG 2199035029 Battery : Home & Kitchen