Upright XRT27E, XRT33E The Upright XRT27E, XRT33E Battery cross-references to the below.Double check all the specifications of your battery with the cross reference we list here before purchasing & installing. 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. . . 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. 64 6 200 10.25 7.06 10.19 1 Year SLA AGM Universal Power Group Yes http://site.apexbattery.com/logos/upright.jpg 806593459665 New L U