The ODYSSEY ODX-ACE31 battery contains the ODYSSEY Connect battery monitoring system, which consists of patented microchip technology that monitors battery State of Charge (SOC), State of Health (SOH) and voltage and temperature. Users can view warnings and safety notifications via Bluetooth on their Apple or Android smart device, and can also review battery trends to spot performance anomalies. Dimensions Length 13.00 in Width 6.80 in Height (terminals included) 9.50 in Height (container) 8.50 in Weight 77.80 lbs Specifications Voltage 12 Pulse (5 second) Hot Cranking Amps (PHCA) 2150 Cold Cranking Amps (CCA) 1150 HCA 1545 MCA 1370 20Hr Nominal Capacity (Ah) 103 10Hr Nominal Capacity (Ah) 98 Reserve Capacity Minutes 220 Terminal 3/8-16" Stud Torque Spec in-lbs (Nm max) 200 (22.6) studs only Internal Resistance (m?) 2.2 Short Circuit (A) 5000 Recommended Min. Charging Current (A) 9.8 Operating Temperature Range -40 degreeF / -40 degreeC to 176 degreeF / +80 degreeC Optimum Storage Temperature 68 degreeF / +20 degreeC