The CyberPower CP425G battery backup (UPS) safeguards a home office PC and other electronics (monitors, printers, scanners, speakers, fax machines, CD/DVD players and iPods) from power surges, spikes, outages and other interruptions. Its composite integrated circuitry offers advanced lightning protection. Patented GreenPower UPSâ„¢ advanced circuitry reduces UPS energy costs by up to 75% compared to competitive models. The CP425SG unit has a capacity of 425VA/225Watts, eight (8) NEMA 5-15R receptacles, widely-spaced to accommodate transformer-based plugs. Its compact design allows for horizontal or vertical placement, or it can be conveniently mounted on a wall. This UPS has a maintenance-free, user-replaceable 12V/3Ah battery. Includes protection for a phone (RJ11 ) line. EMI/RFI filters increase the immunity of the load to disturbances and surges. Includes a Three-Year Warranty and a $75,000 Connected Equipment Guarantee.