Is it OK to recharge a car battery?
Recharging is OK if the car battery hasn’t been damaged (in terms of maximum discharge). If so, chances are that the car battery won’t be properly revived through recharging which can lead to sudden loss or weak power from the battery. Recharging the battery is only good in terms of expense.
What to do with a dead car battery?
Jumpstart: Jumper cables and a second battery, battery booster, or second vehicle might be enough to jumpstart the vehicle. The dead battery won’t accept a charge, though, so don’t shut the engine off! Note: Do not attempt to jump start a frozen battery, as it could explode. Thaw it out and attempt to charge it, first.
Why does a car battery come back to life after an hour?
In some cases you can crank the engine until the battery seems totally dead, then come back an hour later and crank it again. The higher the drain on the battery (a car’s starter motor is an incredibly high-drain device!), the greater the effect. To understand why this happens, it is helpful to understand what’s going on inside the battery.
What happens when you discharge a car battery?
When discharging, the “ battery acid ” facilitates the flow of electrons, from the Pb plate to the PbO 2 plate, generating an electric current, which can be used to start the engine or illuminate the headlights, for example.
Jumpstart: Jumper cables and a second battery, battery booster, or second vehicle might be enough to jumpstart the vehicle. The dead battery won’t accept a charge, though, so don’t shut the engine off! Note: Do not attempt to jump start a frozen battery, as it could explode. Thaw it out and attempt to charge it, first.
What to do if your car battery won’t crank?
Anyway, if you replace a battery and it won’t crank, let the confused software “recalculate” for an hour or more. It fixed itself. Came back the next morning, left overnight in parking lot, and fob worked and car cranked. Nothing different from when it wouldn’t crank and fob wouldn’t except an overnight sleep at the parking lot.
Why does my car battery not charge when I start the engine?
But once the engine has started, the alternator should recharge the battery. When the engine starts turning, the alternator is driven by a belt that converts mechanic power to electrical power.
Can a loose battery cable cause a car to die?
In my years as a mechanic, one thing I have learned is that an old battery or loose battery cables can cause really big problems that make it appear that something complicated is wrong with your vehicle.