Interactive UPS - Mid Range
Voltage and frequency fluctuations, surges, sags and power cuts are likely to seriously damage your sensitive equipment. These problems occur every day. The line interactive UPS is the ideal solution to protect your small office and home office systems (SOHO).
The line interactive technology helps control the output voltage to your equipments by using the automatic voltage regulator (AVR). OPTI-UPS systems controls a wide range of voltage fluctuations without using the internal batteries, thus prolong the battery life. It will help protect your equipment under various power conditions.
ES550C (550VA / 330W) Line Interactive UPS w/ AVR 6-outlets (3-backup / 3-surge), USB port, data/phone protection
OPTI-UPS TS2000E Plus 2000VA 1200W Line Interactive UPS Battery Backup with AVR Surge Protection - 6 Outlets (Black) - Uninterruptible Power Supply (Requires 20-AMP NEMA 5-20 Wall Outlet)