Cycling Capacity 20 hour rate 65 Amp Hours Reserve Capacity @ 25 Amps 135 minutes @ 75 Amps 22 minutes Mechanical Specifications Group Size 34 Terminal Type M8 (w/ TP28 Brass AP Included) Total Height 7.36" (187 mm) Height 7.20" (183 mm) Width 6.77" (172 mm) Length 10.28" (261 mm) Weight 45.9 lbs (20.8 kg) Case Type ABS Plastic - Flame Res Rating UL94-HB Discharge Table (Constant Current) Time Amps Rate 20 hr 3.3 0.05 CA 10 hr 5.8 0.1 CA 8 hr 7.1 0.13 CA 5 hr 10.4 0.25 CA 3 hr 18 0.33 CA 2 hr 21.8 0.5 CA 1 hr 47 1 CA Electrical Specifications Nominal Voltage 12 Volt Capacity @ 100 hour rate 72 AH Capacity @ 20 hour rate 65 AH Capacity @ 10 hour rate 58 AH Capacity @ 5 hour rate 52 AH CCA 825 CA or MCA 1000 Short Circuit Current 2138 Amps Internal Resistance 2.5m Ω Charge Voltages Battery Voltages Charge Stage 12V 24V 36V 48V Bulk 14.7 V 29.4 V 44.1 V 58.8 V Absorption 14.7 V 29.4 V 44.1 V 58.8 V Float 13.6 V 27.2 V 40.8 V 54.6 V TC Factor: -4mV/°C/cell Temperature Range Specifications Condition Recommended Maximum Storage -15°C to 50°C -40°C to 71°C Operation -15°C to 40°C -40°C to 71°C Charge with TC -15°C to 50°C -40°C to 71°C Charge without TC 0°C to 40°C -15°C to 50°C