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Q: How long can a battery be dead before you can charge it?
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How long do you run your car after a a car jump?

I assume you mean how long to charge the battery. You should never let the alternator charge a dead battery if possible. The alternator is designed to keep the battery charged but not to charge a dead battery. You put a strain on the alternator and it can cause a diode to burn out. Drive home and then put a battery charger on the battery to fully charge it.


Can you charge a lawn mower battery?

yes as long as it is not totally dead.


Can you charge your car battery on a trickle charger?

Yes, but it will take a very long time if the battery is dead.


How long do you charge a 12v car battery?

If it is totally dead charge it for 2 hours at 10 amps.


How long does it take a 6 amp charger to charge a 12 volt battery?

Around 4 hours on a dead battery.


How long do you have to drive around to charge a car battery after jump starting a car?

You should never drive a car around for long after jump starting a dead battery. This puts an enormous strain on the alternator. Alternators are designed to keep a good battery charged, not to charge a dead battery. You can easily burn out a diode in the alternator. Jump start the engine and drive it somewhere and connect a battery charger to the battery and charge it fully.


Will layin a battery on the dirt go dead?

No. But if left for a very long time any battery will go dead. you have to leave the battery hooked up to terminals for that the battery will contantly charge while being used in your car otherwise the battery will eventually go dead.


How long do you trickle charge camper bateries?

Trickle chargers are not used to recharge a dead battery. Trickle chargers are used to keep a battery at a full charge level and can be left connected to the battery permanently.


How long does it take to charge a lawn mower battery?

With a 10 amp charge about 1 hour if the battery is totally dead. You should really use an automatic battery charger that shuts off when the battery is fully charged to avoid overcharging.


How long should you charge a 3600mah psp battery?

Good question. Charge it for a full 24 hours before use so it gains full battery


How long should it take to charge a car battery using 6ampheres?

Depends on how low of charge the battery is. I would guess around 6 hours on a dead battery. I suggest you use an automatic charger so you do not have to guess.


Can you charge an ATV battery with a car battery?

I am assuming you mean with the auto engine running. Yes, that is possible but you are putting a strain on the alternator of the car. An alternator is not designed to charge a dead battery. It is designed to keep a charged battery fully charged. as long as the ATV battery is the same voltage as the car battery, usually 12 volts, you can charge it, or jump start the atv and let it charge the battery itself.