How to Start an Automatic Car When the Battery is Dead?

1 Answers
DeJordan
07/29/25 11:51am
Automatic car no power start method is jump-starting. Here are the specific charging methods for a dead car battery: 1. Battery jump-start method: Connect another car's battery to the dead battery, transfer power to start the engine, then rely on the internal alternator to charge while the engine is running. 2. Using a battery charger: At home, you can use a battery charger to charge the car battery. Typically, a household car battery has a capacity of about 60Ah, requiring a charging current of one-tenth its capacity—6A. When charging at home, it's important to control the charging time. Most people charge overnight, with an average charging time of about 8 hours. If the charging current is too high, the battery may charge quickly but overcharging can occur, leading to battery dehydration, overheating, and even damage. Poor-quality batteries may even explode under such conditions.
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