Generally speaking, if the car battery is lower than 11 volts, it will not start. When the voltage of the battery is between 11 and 12 volts, it will be more difficult to start the vehicle. The normal value of the battery voltage is 12 to 15 volts. When the vehicle starts After that, the normal value of the battery voltage is between 13.4 and 14.8 volts.
The impact of the car battery voltage being too high or too low
1. When the voltage of the battery is too high, it will be difficult to start the vehicle. If it is serious, it will not start at all. You need to use a charger to charge the battery;
2. When the voltage of the battery is too high, the battery will be seriously damaged, which will seriously affect the service life of the battery;
3. When the battery has been used for a long time and the power loss is serious, it is difficult to charge the battery with a charger. The solution is to replace the battery with a new one.
How to maintain the battery
1. It is best to charge the battery at night. Car owners generally do not use the vehicle at night, and the time at night is relatively long, which can better charge the battery. It usually takes about 8 to 10 hours to fully charge the battery;
2. If the owner cannot use the vehicle for a long time due to work reasons, the vehicle needs to be started regularly. After the vehicle is started, the battery can be charged, which can better extend the service life of the battery;
3. If the owner cannot start the vehicle regularly, he can directly unplug the negative pole of the battery to prevent the battery from running out of power;
4. After getting off the car, remember to check whether the on-board electrical appliances are turned off. If they are not turned off, the battery power will be exhausted when the vehicle is started next time. If the battery loses power, it will reduce the service life of the battery.
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