It depends how severly it was overcharged, and what type of battery it is. I overcharged an 8.4v yesterday for about 11 hrs. It still worked fine. But if u overcharge it too much what happens is that it warms up. (An airsoft battery should never become hot enough to feel on the outside). It damages the electric cells inside the battery and could melt the wires. This could easily start a minor fire.
Shopkeepers should not overcharge.You can't overcharge a battery.
You can but you can alos easily overcharge the battery.
Defective voltage regulator.
No, it will overcharge the 6 volt battery.
No. The computer and charger are "intelligent" and will prevent overcharging.
Defective voltage regulator.
Overcharge, often due to a shorted cell.
Yes, but make sure you do not overcharge the battery.
Sure, if the alternator voltage regulator is defective it can overcharge the battery.
No, a 12 volt charger will overcharge a 8 volt battery and destroy it.
Two things can happen. 1. the voltage regulator fails so that the alternator doesn't know the battery charge is dropping therefore the battery doesn't get charged. 2. The voltage regulator fails in such a way as to allow the alternator to overcharge the battery which causes the battery to overheat and fail, Sometimes an overcharged battery can explode.
Yes, as long as you do not overcharge it.