Douglas DGU12-375 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. Gel battery's electrolyte is suspended in a silicia-based gel, which produces a thick pasty material. The state-of-the-art lead-acid battery is the valve-regulatedtype (sometimes called "sealed" or maintenance-free), which fixes theacid electrolyte in a gel or in an absorptive fiberglass mat. The. . . Gel battery's electrolyte is suspended in a silicia-based gel, which produces a thick pasty material. The state-of-the-art lead-acid battery is the valve-regulatedtype (sometimes called "sealed" or maintenance-free), which fixes theacid electrolyte in a gel or in an absorptive fiberglass mat. The advantage ofthis design is that the battery needs no water additions, can be operated inany position, and can be used in close proximity to people and sensitive equipment. Additionalbenefits: maintenance-free, sealed no-leak design, higher cranking amps, lowerself discharge, greater vibration resistance, heavy duty, no-corrosion terminals. 73.5 12 100 12.87 6.77 9.49 1 Year SLA Gel Universal Power Group Yes http://site.apexbattery.com/logos/douglas.jpg 806593458743 New Flag U

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