Charge it with a 12 volt battery charger.
your car is usually has a 12 volt battery, on the charger set it to 12 volt charge, the batter will tell you how long to charge it usually 4 hours, do not overcharge, will damage battery :)
No
No.
No, a 12 volt charger will overcharge a 8 volt battery and destroy it.
no it can't
No it will not work
No, the battery is DC not AC.
If you are asking the question, can you charge a 6 volt battery with a 12 volt charger, the answer is no.
No, the battery charger has to match the voltage of the battery it is to charge.
NoNo
No