When the car 12V battery is charging, if we want to check whether it is fully charged, we can directly watch the indicator light on the car charger. If the indicator light turns green, it means that it is fully charged. Some indicators may directly indicate that it is fully charged. Generally, it can be fully charged after 5 to 10 hours of charging. Of course, it depends on how much power is in the battery at that time.
When charging the car battery, it is best not to overcharge it. According to the time, if we feel that it is almost full, or we see that the indicator light shows that it is full, we must end the charging in time, otherwise it may affect the use of the charger and the car battery. Of course, if you forget something once or twice, there won't be a big situation for the time being, but don't do it all the time.
When we usually use the car, we should also pay attention to the maintenance of the car battery, especially many people like to listen to music or turn on the air conditioner when the car is off, which actually consumes a lot of car battery power. Because if the car is in the starting state, the engine will deliver power to the battery, but when the car is in the stopped state, the engine cannot deliver power, which will lead to serious battery loss in the long run.
In addition, some drivers may keep their vehicles at home and do not drive often on business trips. At this time, we can unplug the negative electrode of the car battery, otherwise it will cause the battery to lose power. After unplugging the negative electrode, it can be well avoided. .
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