Line-interactive tower, uninterruptible power supply (UPS) system offers voltage regulation, surge suppression and long-lasting battery support for personal computers, network workstations and more. Internal UPS circuits support entry-level PCs or individual VCR/DVR components during power failures. Automatic voltage regulation (AVR) circuits continuously regulate brownouts and overvoltages from 92V to 150V back to usable levels, all while maintaining a full battery charge.,Line-interactive tower, uninterruptible power supply (UPS) system offers voltage regulation, surge