- 650 VA power capacity
- 5 min battery run time (up to)
- 390 Watt power provided
- AC 120 V
- 2 years warranty
The Liebert 650VA / 390W stepped sine Wave UPS psa is an economical, line-interactive UPS system that offers full-featured power protection for small office computers and electronic equipment. Designed with simple controls for easy operation, the psa provides up to two minutes of back-up time at full load, giving ample time to save work and shut down the connected equipment. USB shutdown software and a USB cable are also included, to allow remote alerts and automated graceful shutdown of the connected systems.