Series: Professional Input Voltage Range: 85 - 140 V Input Frequency: 47Hz - 63Hz Output Voltage: Pure Sine Wave at 120Vac +/- 5% Outlets: 6 NEMA 5-15R, 2 NEMA 5-20R Battery Run Time: 4 Minutes at Full-load 12 Minutes at Half-load Graphics Workstation w/ 21" (1000W) - 8 min. Battery Recharge Time: 8 Hours Interface Port: 2 x Serial DB9; 1 x USB 4-pin