How to charge the car battery when it is dead? How to charge the battery at home

The car battery has self-discharge, and it will naturally consume about 1% of the electricity every day. If the car battery is out of power, it will not only affect the use of electrical equipment in the car, but also make it difficult to start the car, and even the situation may not start. At this time, it needs to be charged in time. How to charge the car battery when it is dead? Let's understand it below.

When the car battery is out of charge and the engine cannot be started, the battery can be used to charge the battery. Battery charging is to connect the battery of another car with the dead battery. After the power is transferred, the engine can be started, and then the internal generator is used for charging while the engine is running.

The car battery should be charged in time if it is dead. You can use a charger to charge the battery at home. Generally, the battery capacity of a family car is about 60Ah, and the charging current required is one-tenth of the battery capacity, which is 6A. Charging with this current usually takes about 3-5 hours to fully charge. If you charge with low current, you need to charge for about 10 hours to fully charge.

Charging the battery at home requires a good charge time. Most people charge at night, and the average charging time is about 8 hours. If the charging current is high, the battery can be fully charged soon. If you continue to charge, overcharge will occur, which will cause the battery to lose water, heat, and burn the battery. Inferior batteries will explode. This is extremely dangerous and requires everyone. Be extra careful.