Nominal voltage (V) 12 20-hr rate Capacity to 10.5V at 20°C (Ah) 28.8 10-hr rate Capacity to 10.8V at 20°C (Ah) 27 Threaded terminal - (M=Male or F=Female) M5 (F) Torque (Nm) 2.5 Storage (in fully charged condition) -20°C to +60°C Charge -15°C to +50°C Discharge -20°C to +60°C