There will be a battery-like symbol on the dashboard, with a plus sign on one side and a minus sign on the other. When the vehicle is running, it will charge the battery. If the symbol of low battery power appears during long-term driving, it means that the battery has been damaged or cannot be recharged, and it is necessary to check and replace the battery in time.

After the car battery is dead, the battery icon in the dashboard will keep flashing into the alarm state to remind the owner that the battery is running out. The battery icon is usually square, with plus and minus signs representing the positive and negative poles.

Extended Information After the battery of the car is dead, the battery icon in the dashboard will keep flashing and enter the alarm state to remind the owner that the battery is running low. The battery icon is usually square, with plus and minus signs representing the positive and negative poles.

When the battery is charged with direct current, lead and lead dioxide are generated at two poles respectively. After the power supply is removed, it returns to the state before discharge, forming a chemical battery. Lead battery is a kind of battery that can be repeatedly charged and discharged, and it is called secondary battery.

Its voltage is 2V, usually three lead-acid batteries are connected in series, and the voltage is 6V. Six lead-acid batteries for automobiles are connected in series to form a 12V battery pack. After ordinary lead-acid batteries are used for a period of time, sulfuric acid should be supplemented to keep the electrolyte containing 22 ~ 28% dilute sulfuric acid.

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