Power interruptions rarely happen at a convenient time. A few seconds without electricity can interrupt a server, disconnect network equipment, stop a workstation, or leave an active process unfinished. UPS systems (Uninterruptible Power Supplies) are designed to provide temporary battery power and help connected equipment remain operational when the incoming electrical supply fails or becomes unstable.

For homes, offices, server rooms, and data centers, a properly selected UPS power supply can provide valuable runtime while also supporting a more controlled response to power problems.

Find the Right Uninterruptible Power Supply

UPS technology is available in several configurations. Standby UPS units can be suitable for basic desktop and peripheral protection, while line-interactive UPS systems commonly add automatic voltage regulation (AVR) to address certain fluctuations without immediately switching to battery operation. Online double-conversion UPS systems are designed for environments where continuous power conditioning and tightly controlled output are important.

Capacity should be considered alongside the equipment being protected. VA rating, wattage, power factor, battery runtime, outlet configuration, input and output voltage, and expansion options can all influence the right choice. Tower UPS models suit many standalone installations, while rackmount UPS systems are commonly integrated into server racks and network cabinets.

For managed IT environments, USB, serial, network, and monitoring capabilities can provide useful information about load levels, battery condition, events, and shutdown procedures. Replacement batteries and UPS accessories can also help maintain an existing system over its service life.

Trusted UPS Brands

Shop solutions from leading manufacturers including APC, Eaton, CyberPower, Vertiv, Tripp Lite, Schneider Electric, Socomec, Riello, Delta, Toshiba, ABB, Fuji Electric, and Liebert. Their ranges cover desktop UPS units, rackmount models, enterprise systems, and specialized power-protection equipment.

Backup Power Built Around Your Equipment

Whether you're protecting a PC, NAS, network switch, workstation, server, telecommunications system, or data-center infrastructure, choosing the appropriate UPS can help reduce disruption and provide valuable time to respond when power conditions change.

Explore our UPS collection for standby, line-interactive, online, tower, rackmount, and high-capacity uninterruptible power supplies, plus compatible batteries and accessories for professional and everyday IT hardware environments.