Vertiv Liebert PST5 UPS - 850VA/500W 120V | Battery Backup & Surge Protection

The Vertiv Liebert PST5 UPS is engineered to be your trusted shield against power interruptions, voltage fluctuations, and electrical noise that can compromise productivity and shorten the life of your electronics. With an 850 VA / 500 W capacity and standard 120V operation, this UPS provides reliable battery backup and surge protection for essential devices in your home office, small business, or media setup. It’s designed to be compact enough for a desktop workspace yet powerful enough to keep your critical gear running long enough to save work, finish a task, or shut down safely during an outage. Whether you’re safeguarding a desktop computer, gaming rig, modem, router, monitor, or peripheral devices, the PST5 helps you avoid data loss, file corruption, and unexpected downtime. The result is peace of mind: uninterrupted workflow, safer equipment, and a cleaner power signal that protects sensitive electronics from surges, spikes, and brownouts.

• Reliable battery backup keeps essential devices running during power outages, giving you time to save work and shut down gracefully.
• Surge protection and power conditioning guard against voltage spikes and electrical noise that can damage equipment and corrupt data.
• 850 VA / 500 W capacity is well suited for a typical home office or small business setup with a computer, monitor, router, and peripherals.
• 120V standard electrical compatibility makes it a straightforward addition to North American outlets without adapters or complex wiring.
• Compact, plug-and-play design delivers dependable protection in a compact form factor that fits neatly on a desk or shelf—no complex installation required.

Techncial Details of Vertiv Liebert PST5 UPS

• Capacity: 850 VA / 500 W
• Input/Output Voltage: 120 V nominal
• Protection: Battery backup plus surge protection for connected devices
• Ideal for: Home office PCs, gaming rigs, modems, routers, monitors, and other critical peripherals
• Form factor: Compact desktop design for easy placement on a desk or shelf

How to Install Vertiv Liebert PST5 UPS

Setting up the Vertiv Liebert PST5 UPS is a quick, straightforward process that gets you protected in minutes. Follow these simple steps to ensure optimal performance and safe operation:

• Place the UPS on a stable, level surface near a wall outlet and away from excessive heat or moisture. Ensure there is adequate ventilation and that vents are not blocked.
• Connect your critical devices to the UPS’ battery-backed outlets. Typical choices include your desktop computer, monitor, keyboard, mouse, and network equipment such as a router or modem.
• Plug the UPS into a live 120V outlet. Use a standard wall outlet and avoid power strips or daisy-chaining multiple UPS units, unless the manual specifies it as safe.
• Power on the UPS and allow it to initialize. If the unit includes a self-test feature, run it to verify battery health and proper operation. Observe the indicator lights to confirm healthy status.
• Test the backup function by briefly unplugging the primary outlet to confirm that connected devices switch to battery power and continue to operate without interruption while you save work.

Frequently asked questions

• What does 850 VA / 500 W mean? The rating indicates the unit’s apparent power (VA) and real power (W) capacity. It defines the amount of load the UPS can support while providing backup power. It’s ideal for typical home office setups that include a PC, monitor, router, and peripherals.
• What devices should I protect with the PST5? Protect any equipment that would benefit from stable power and data integrity during outages or surges. This commonly includes desktop computers, gaming consoles, modems/routers, external hard drives, and important peripherals.
• Does this UPS provide surge protection even when the battery is not charged? Yes. The unit offers surge protection independent of battery status, helping shield devices from voltage spikes even if the battery is not actively providing backup power.
• How long will it run my devices on battery? Runtime depends on the total load connected to the UPS. A lightweight setup (e.g., a PC with a few peripherals) typically lasts longer than a high-power gaming rig. For precise runtime, consult the product’s official specifications or perform a field test under your typical load.
• Can I monitor the PST5 remotely or via software? Some models offer software or USB/communication ports for status monitoring and graceful shutdown. If your unit includes these features, install the manufacturer’s software to receive alerts and manage shutdowns.
• Is the PST5 compatible with office servers or network equipment? It is designed to protect consumer and small business devices commonly used in home offices. For servers or more demanding networks, verify the total load and consult the documentation to ensure your configuration stays within the UPS capacity.