GNB S12V500 UPS Double check the actual size of the batteries being replaced. UPS replacement battery packs contain replacement batteries only. You must reuse your existing cabling and hardware. The state-of-the-art lead-acid battery is the valve-regulated type (sometimes called "sealed" or maintenance-free), which fixes the acid electrolyte in a gel or in an absorptive fiberglass mat. The advantage of this design is that the battery needs no water additions, can be operated in any position,. . . The state-of-the-art lead-acid battery is the valve-regulated type (sometimes called "sealed" or maintenance-free), which fixes the acid electrolyte in a gel or in an absorptive fiberglass mat. The advantage of this design is that the battery needs no water additions, can be operated in any position, and can be used in close proximity to people and sensitive equipment. Additional benefits: maintenance-free,sealed no-leak design, higher cranking amps, lower self-discharge, greater vibration resistance, heavy duty, no-corrosion terminals. 71.1 12 110 535 13 6.75 10.5 1 Year SLA Universal Power Group Yes http://site.apexbattery.com/logos/gnb.jpg 806593457517 New L-Blade U

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