The Unity series of UPS Battery Backup systems from Best Power, now an Eaton company, offers a variety of Uninterruptible Power Supply UPS Battery Backup systems providing power protection for Computer and Peripherals, Network and Server UPS, as well as Data Center and Facility Three-Phase UPS Backup System uses, industrial, commercial, business and personal. This includes the Unity and Unity-I series UT3K, UT4K, UT5K, UT8K models for computer equipment, business applications, and network power protection. Both Single-phase UPS modules and three-phase UPS Battery Backup systems. Wholesale Batteries Direct has the high quality batteries that you want to buy at discount prices to power your Best Power Unity UPS Battery Backup equipment. All of our batteries come with a full 1 year warranty.