Amazon.com: Synergy Digital Vacuum Cleaner Battery, Compatible with Electrolux PQ91-GREEN Vacuum Cleaner, (Li-ion, 25.2V, 2000mAh) Ultra High Capacity, Replacement for AEG 4055478301 Battery : Home & Kitchen
Electrolux UltraPower Studio
Best Buy: Electrolux UltraPower Studio Cordless Lightweight Vacuum Deep Blue EL3000A