Subsystems Rear Brake Pad Thickness (excluding back plate) New: 0.354”/9 mm Service limit: 0.078”/2 mm Parking brake Electrically actuated parking brake integrated into rear caliper Suspension Front Independent, double wishbone, coil spring/telescopic damper, sway bar Rear Independent, multi-link, coil spring/ telescopic damper Battery - 12V Rating 33 amp hour or higher Voltage and Polarity 12V negative (-) ground Battery - High Voltage Type Liquid-cooled lithium ion (Li-ion) Rating 75 kWh (at beginning of life) Nominal Voltage - 75 kWh 350 V DC Temperature Range Do not expose Model 3 to ambient temperatures above 140° F (60° C) or below -22° F (-30° C) for more than 24 hours at a time. Specifications 137