50–70 kW · 400/230V & 480V · Rack-Integrated Online UPS · Vertiv Liebert APM2 (40–80 kW) Comparison Ai90 vs Vertiv Liebert APM2 The Ai90 is a high-density modular rack-integrated UPS; the Vertiv Liebert APM2 is a modular UPS in a floor-standing cabinet. In the 40–80 kW range both support internal VRLA batteries for short-duration runtime. The […]
