Smoke from one of the acid holes of the battery

If a battery is overcharged, the electrolyte will start to boil and evaporate, thus emitting fumes. These fumes can be both flammable and toxic. Therefore, you should be cautious when you notice that your battery is producing smoke. Overcharging of lead-acid batteries can lead to the production of hydrogen sulfide.

What to do if a battery starts smoking?

If the battery starts smoking during charging, disconnect the charger immediately. The problem might be overcharging, which can only be stopped by disconnecting the charger and letting it cool. You should also check the charger to ensure it is in good condition.

What does it mean if your battery is smoking?

overcharged

In most situations, a battery is being overcharged to the point that the battery begins venting the excess pressure created by the overcharging scenario. THE GAS VENTED BY OVERCHARGED CAR BATTERIES IS BOTH FLAMMABLE & TOXIC, SO TAKE EVERY PRECAUTION POSSIBLE.

Is it safe to drive with a dead battery?

Unless your battery was also fscked you should’ve been able to go a lot longer than 5 minutes before your engine died. and in response to the question, yes a car can run with a dead battery, or a dead alternator (as long as the battery still has some charge), but not if both are dead.

Will a vehicle run without a battery?

Can A Car Engine Run Without A Battery? It is possible for an automobile to run without a battery, provided the alternator is large enough to handle all the electrical demands. In contrast, it is starting the automobile that would be much more convenient if it had a battery to start it.