Synergy Digital Vacuum Cleaner Battery, Works with Electrolux ZB2935 Vacuum Cleaner, (Ni-MH, 12V, 1300mAh) Ultra High Capacity, Compatible with AEG 4055132304 Battery - Walmart.com
Cameron Sino Battery for Electrolux ZB2902,ZB2903,ZB2905,ZB2907R,ZB2908W,ZB2933,ZB2934,ZB2935,ZB2925,ZB2929P,ZB2911P,ZB2955P|Digital Batteries| - AliExpress
User manual Electrolux Ergorapido ZB2935 (English - 14 pages)