Genuine ExpertPower Battery - The Most Trusted And Highest Reviewed Sealed Lead Acid Batteries On Battery Type - 12 Volt 9Amp 20 Hour Sealed Lead Acid Battery With "F2" Style Terminals Dimensions: 5.94 IN*2.56IN*3.7IN Ease Of Mind -All Of Our Batteries Are MAINTENANCE FREE and VALVE REGULATED AGM Tech - Utilizes Absorbed Glass Mat (AGM) Technology And Has A Wide Temperature Range User Friendly - Easy Installation With a Very Durable And Rugged Construction