Vertiv Liebert PSI5 Lithium 1500VA 120V 2U Rack/Tower | UPS Enterprise

Deliver dependable backup power in installations where depth, space, and service access all matter. The Vertiv Liebert PSI5 Lithium 1500VA Short Depth 2U Rack/Tower UPS provides 120V protection in a compact chassis that fits neatly into edge cabinets, branch offices, and smaller server rooms. Its lithium battery design is a practical advantage for teams that want to reduce routine battery maintenance and keep infrastructure service windows focused on higher-value work. The 2U rack/tower format gives deployment flexibility, while the short-depth profile helps it fit into cabinets that cannot accept full-depth UPS hardware. At 1,500 VA, this model is sized for essential loads rather than full-room backup, making it a strong choice for network switches, firewalls, access systems, and compact server stacks. It is the right tier when you need more than a basic desktop UPS, but do not need the footprint or capacity of a larger 3U system. For distributed IT environments, this UPS offers a balanced mix of capacity, size, and battery technology that supports uptime without overbuilding the power layer.