Unicell 12V 45Ah Sealed DLA Rechargeable Taiwan batterySpecification Cells Per Unit: 6 Voltage Per Unit: 12 V Capacity: 40. 0Ah @ 20hr rate to 1. 75V per cell @ 25C (77F) Weight (kg): Approx. 13. 5kg Maximum Discharge current (A): 200 A (5sec.) Internal Resistance Approx.: Approx. 8m Operating Temperature Range: Discharge 15~50(5F~122F) Charge 15~40(5F~104F) Storage 15~40(5F~104F) Nominal Operating Temperature Range: 25C 3C (77F 5F) Float charging voltage: 13. 5 to 13. 8 VDC unit Average at 25C (77F)