The Eaton Powerware PW9130L1500T-XL 1500VA Tower UPS resolves utility power problems and delivers superior power protection for IT and networking equipment, medical systems, manufacturing process control or anywhere critical and applications require clean, continuous power. With a wide input voltage range, this UPS does not depend on batteries to smooth out minor power fluctuations. Batteries are conserved for those times when utility power is highly unstable or completely out. If an outage occurs, this UPS transfers to battery with zero interruption in power, making it an ideal UPS for sensitive and critical equipment.