CyberPower UT850EG ENERGY-SAVING TOWER UPS, 850VA/425W, AVR, RJ11/45 Surge Protection, 12V/7AH*1, 3x AU, USB Port, 2 yrs adv. replacement WTYCyberPower UT850EG guarantees power protection for computers, networking equipment, and storage devices. The product adopts line interactive topology with Automatic Voltage Regulation (AVR) function to offer stabilized AC power output. The patented GreenPower UPS Bypass design achieves ultra low power consumption to reduce energy costs and allows a lower operating temperature which extends battery lifespan. The LED indicator shows the UPS's utility,