This new replacement sealed lead acid battery from eReplacements is 100% compatible with your ubvt1er sla battery and is rated at 18 Ah and 12 Volts. eReplacements sealed lead acid batteries all will meet or exceed the original ubvt1er sla battery battery specifications because they are manufactured for high performance using the most up to date safety and engineering control standards. Sealed lead acid batteries require that you use them regularly or they will lose their ability to hold a charge so be sure to use your ubvt1er sla battery regularly to keep your battery fully charged or purchase a trickle charger for them. Thousands of resellers, dealers and service companies over the years have trusted eReplacements to provide their customers with quality replacement sealed lead acid batteries. Capacity: 18 Ah. Volts: 12 Volts. Terminal type: HD. Technology: Sealed Lead Acid Battery. Dimension: 6.92"L x 3.46"W x 6.06"H.- SKU: ER