#car_battery__carbattery__automobile_battery  a lead-acid storage battery in a motor vehicle; usually a 12-volt battery of six cells; the heart of the car's electrical system
  supertype:  lead-acid_battery__lead-acid_accumulator  a battery with lead electrodes with dilute sulphuric acid as the electrolyte; each cell generates about 2 volts
  part of:  electrical_system__electrical_part  equipment in a motor vehicle that provides electricity to start the engine and ignite the fuel and operate the lights and windshield wiper and heater and air conditioner and radio
     part of:  motor_vehicle__motorvehicle__automotive_vehicle  a self-propelled wheeled vehicle that does not run on rails

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