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2. Automobile auxiliary power outlet - Wikipedia

   en.wikipedia.org/wiki/Automobile_auxiliary_power...

   The actual voltage, matching the car battery's voltage, will be approximately 12.5 volts when dormant (less in cold conditions), approximately 14.5 volts when the engine and the alternator/generator are operating (more when cold), and may briefly drop as low as 5–6 volts during engine start due to the high temporary battery current usage. [12]

3. Automotive battery - Wikipedia

   en.wikipedia.org/wiki/Automotive_battery

   While the engine is running most of the power is provided by the alternator, which includes a voltage regulator to keep the output between 13.5 and 14.5 V. [4] Modern SLI batteries are lead-acid type, using six series-connected cells to provide a nominal 12-volt system (in most passenger vehicles and light trucks), or twelve cells for a 24-volt ...

4. Automobile accessory power - Wikipedia

   en.wikipedia.org/wiki/Automobile_accessory_power

   By regulating the current sent to the alternator's rotor and thus the strength of the magnetic field, a stable voltage can be produced over a wider range of engine speeds. Starting, lighting and ignition systems of most gasoline-powered vehicles remain as 12 volt systems.

5. Electric cars in winter: How cold weather affects EV range ...

   www.aol.com/electric-cars-winter-cold-weather...

   Electric cars perform less well in cold weather. Lower ambient temperatures affect an EV’s range, but also how quickly the battery charges and how effective its regenerative braking system works ...

6. Alternator (automotive) - Wikipedia

   en.wikipedia.org/wiki/Alternator_(automotive)

   Modern designs do away with the voltage regulator altogether; voltage regulation is now a function of the engine control unit (ECU). The field current is much smaller than the output current of the alternator; for example, a 70 A alternator may need only 2-3 A of field current. The field current is supplied to the rotor windings by slip rings ...

7. Anderson Powerpole - Wikipedia

   en.wikipedia.org/wiki/Anderson_Powerpole

   The voltage delivered by a lead–acid battery with six-cells used as an automotive battery will vary depending on various electrical loads in a vehicle. Without loads the battery will float from 11.7 to 12.8 volts, and while charging from an alternator the voltage will increase to 13.8–14.4 volts DC.