ADIRA RT 1500 ONLINE DOUBLE CONVERSION/RACK TOWER UPS Power in VA: 1500 Power in W: 900 Autonomy time 100%: With internal batteries in minutes: 3 Autonomy time 50%: With internal batteries in minutes: 9 Longer Autonomy times on request (XL) Online double conversion: VFI-SS-111 in accordance with IEC 62040-3 Input/Output: