12 volt
By running the engine on the vehicle or by connecting the battery to a 12 volt battery charger.
That would be a ( 12 volt battery ) in the engine compartment of a 1998 Ford Explorer
It uses a 12 volt lawn mower engine battery.
12 volt system A fully charged 12 volt battery will have 12 to 12.7 volts. With you engine running you should have 13 to 13.5 volts
No
if it is any think over 1 volt it is not a cell battery it is just a 6 volt battery if you had a 1 volt then it would be a cell battery
No, it will overcharge the 6 volt battery.
The battery is a 12 volt.
No
1 volt battery does not exist.
Charge it with a 12 volt battery charger.
No, you cannot charge an 8 volt battery with a 6 volt charger. The voltage of the charger must match the voltage of the battery.