Brand Tripp Lite Battery Cell Composition Lead Acid Item Dimensions LxWxH 5.75 x 10.87 x 3.07 inches Voltage 120 Volts Color WHITE About this item Protects from blackouts, brownouts & transient surges allowing time to back up critical filess: 550va / 300w battery backup uninterruptible power supply (ups) provides up to 1.2 minute of runtime for a full load, and 5 min of half load runtime 10 outlets power & protect connected peripherals: 5 outlets provide ups power backup & surge protection (home office & media centers); 5 outlets offer surge protection only (ideal for printers & other electronics not essential in a blackout) Free management software / user replaceable batteries: software enables unattended system shutdown & power management; batteries are user replaceable allowing you to extend the life of your ups if the batteries are depleted after the 3 year warranty