AV550SC Estimated Runtime Load in Watts UPS 20W 40W 60W 80W 100W 120W 140W 160W 180W 200W 220W 240W 280W 300W AV550SC 113 52 32 23 17 13 11.0 8.7 7.1 6.0 5.1 4.4 3.8 3.0 All runtime values are in minutes.