Voltage: 12V (6 cells per unit).Capacity: 7Ah at a 20-hour discharge rate.Maximum Charging Current: 2.1A.Operating Voltages:Standby/Float Use: 13.7V to 13.9V at 25°C.Cycle Use: 14.6V to 14.8V at 25°C.Lifespan: Typically 5 to 8 years in float (standby) service.Dimensions: Approximately 151mm (L) x 65mm (W) x 94mm (H).