AVRT650U Estimated Runtime UPS AVRT650U 20 146 40 72 60 44 Load in Watts 80 120 160 200 240 280 30 16 9.7 6.1 3.8 2.6 All runtime values are in minutes. 320 1.9 360 1.3 400 1.0 440 0.7 480 0.