Cycling Capacity 20 hour rate35 Amp Hours Reserve Capacity @ 25 Amps50 minutes@ 75 Amps11 minutes Mechanical Specifications Group SizeU1R Terminal TypeM6 Total Height6.57″ (167 mm) Height6.57″ (167 mm) Width5.16″ (131 mm) Length7.72″ (196 mm) Weight26.7 lbs (12.1 kg) Case TypeABS Plastic – Flame Res Rating UL94-HB Discharge Table (Constant Current) TimeAmpsRate 20 hr1.80.05 CA 10 hr3.30.1 CA 8 hr3.80.13 CA 5 hr5.90.25 CA 3 hr8.70.33 CA 2 hr12.40.5 CA 1 hr22.21 CA Electrical Specifications Nominal Voltage12 Volt Capacity @ 100 hour rate39 AH Capacity @ 20 hour rate35 AH Capacity @ 10 hour rate32 AH Capacity @ 5 hour rate29 AH CCA438 CA or MCA525 Short Circuit Current1332 Amps Internal Resistance9.4m Ω Charge Voltages Battery Voltages Charge Stage12V24V36V48V Bulk14.7 V29.4 V44.1 V58.8 V Absorption14.7 V29.4 V44.1 V58.8 V Float13.6 V27.2 V40.8 V54.6 V TC Factor: -4mV/°C/cell Temperature Range Specifications ConditionRecommendedMaximum 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 TC0°C to 40°C-15°C to 50°C Terminal Torque Specifications Terminal Typeft-lbsin-lbsNm AP | DT (AP) | DT (stud) | M6 | M6M (stud) | TP07 (AP) | TP08 (AP)4.2 – 6.050-705.6 – 7.9 FR456.0 – 7.570-907.9 – 10.1 M8 | LT7.1 – 8.085-959.6 – 10.7 M10M (stud)9.2 – 10.4110-12512.2 – 14.0