The CyberPower CP850PFCLCD PFC Series UPS with Pure Sine Wave output safeguards mid to high-end computer systems that use conventional and Active Power Factor Correction (PFC) power supplies. Its automatic voltage regulation (AVR) topology delivers clean and consistent AC power. Its patented GreenPower UPS advanced circuitry reduces UPS energy costs by up to 75% compared to competitive models. The CP850PFCLCD unit has a capacity of 850VA/510Watts, (10) NEMA 5-15R receptacles and (1) maintenance-free, user-replaceable 12V/8.5Ah batteries. The intelligent multi-function LCD panel displays real-time UPS vitals for ease of control. Connectivity via (1) HID USB and (1) DB9 serial ports. Surge Protection for RJ11/RJ45 & coax. PowerPanel Personal Edition UPS Management software, a Three-Year Warranty, and a $250,000 Connected Equipment Guarantee are included. Experience higher efficiency with lower energy cost 850 VA load capacity provides sufficient backup during power failures 510 W load capacity - backup power for your valuable electronics Up to 2 minute runtime on full load to preserve critical data from power shortage interruptions