The Vertiv Liebert PSI5 Lithium 800VA Short Depth 2U UPS is a compact, high‑reliability power backup built for edge deployments, small data closets, and tight racks. It protects critical IT gear with clean, dependable 120V power in a space‑saving 2U form factor that easily converts between rack and tower setups.
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Power rating: 800VA / 720W capacity suitable for servers, networking gear, and sensitive electronics.
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Form factor: 2U short‑depth rack/tower design ideal for tight spaces and edge environments.
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Battery technology: Lithium‑ion battery for longer life, lighter weight, and faster recharge compared to traditional batteries.
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Input/Output: 120V input (North American standard); 6 x NEMA 5‑15R outlets for connected devices.
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Output waveform: True sine wave on battery to ensure clean, stable power for sensitive equipment.
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Voltage regulation: Automatic Voltage Regulation (AVR) helps compensate voltage fluctuations and safeguard runtimes.
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Installation versatility: Convertible between rack and tower configurations for flexible deployment in existing layouts.
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Protection: Built‑in surge protection and protection against common power disturbances.
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Brand reliability: Backed by Vertiv’s Liebert technology, designed for consistent performance in professional IT environments.
The PSI5‑Lithium platform is designed to minimize downtime and maintenance. Its compact 11.81" depth and lightweight lithium battery support quick deployments in edge data centers, telecom enclosures, and network closets. With rack/tower versatility and robust power conditioning, it keeps essential devices online during outages and voltage irregularities while reducing total cost of ownership through longer battery life and fewer replacements.
Specs
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Model: PSI5‑800SRT2ULI
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Power: 800VA / 720W
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Form Factor: 2U Rack/Tower
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Battery Type: Lithium‑Ion
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Input Voltage: 120V (North American 5‑15P)
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Output: 6 x NEMA 5‑15R
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Input Voltage Range: Nominal 120VAC; operating range approximately 75–146 VAC
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Dimensions: approximately 3.39 in H × 17.28 in W × 11.81 in D
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Weight: ~18.5 lb (8.4 kg)
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Special features: Short‑depth, rack/tower convertible, AVR, true sine wave on battery
FAQs
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What devices can this UPS support? It is ideal for servers, networking equipment, and sensitive electronics up to 800VA.
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How long does the lithium battery last? Lithium batteries typically offer longer service life than traditional batteries, often exceeding 5 years.
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Can it be installed in both rack and tower configurations? Yes. The PSI5‑800SRT2ULI is designed for easy conversion between rack and tower setups.
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Does it provide surge protection? Yes. It includes built‑in surge protection to guard against voltage spikes.
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Is it compatible with standard North American power outlets? Yes. It operates on 120V input voltage, common in North America.
