Can a battery be used after being drained three times?

[GeorgeRose]

Yes. The prerequisite for the battery to recover after being drained is that the battery has not suffered severe damage, meaning it can still start the engine. The owner can also attempt to start the engine using electricity. If the vehicle starts successfully, driving normally for three to four hours can restore the battery's charge. If the car battery cannot start the vehicle, it indicates that the battery is severely drained, and a battery charger is the best solution. Considering that most owners do not have a charger, it is advisable to leave the task to a professional repair shop. After the battery is fully charged, it can be reinstalled for use. In the absence of an adjustable charger, a bulb can be connected in series with the charging wire to reduce the charging current and charge the battery. Although the operation is somewhat cumbersome, it plays a significant role in extending the battery's lifespan.