What is the general voltage of a car?

1 Answers
LeIsabella
07/29/25 5:30pm
Car battery no-load voltage is around 13V. Here is the relevant introduction: 1. Long-term parking: The battery installed in the car will self-discharge during prolonged parking. Many car owners find it difficult to start the car or even have a completely dead battery after returning from business trips or vacations. Therefore, it is best to drive the car at least once a week, with a trip duration of preferably more than 20 minutes, to facilitate charging the battery while the vehicle is running. 2. Close windows: The switches for car windows and sunroofs are powered by the battery. Therefore, it is best to close all windows before turning off the engine, rather than after turning it off, or even using the long-press lock button method to close the windows after leaving the car.
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