Yuasa NP4-6 The Compatible Battery to replace Yuasa NP4-6 Battery (Non-OEM) cross-references to the below.You are replacing the Yuasa battery with a different brand. These compatible alternatives to the Yuasa products are manufactured 100% brand new by a manufacturer that is not endorsed or associated with Yuasa Technologies and are guaranteed by Apex Battery to work with your electronics. This is a not an original OEM battery, but a substitute that is designed to meet or exceed the original batt. . . 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. 1.14 6 4.5 2.72 1.82 4.06 1 Year SLA Universal Power Group No http://site.apexbattery.com/logos/yuasa.jpg 806593457333 New F1 (0.187 Tab) U