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.
No, a 12 volt charger will overcharge a 8 volt battery and destroy it.
Yes. Used in golf carts and other small vehicles. Google "8 volt batteries" and take your pick.
No
No you cannot.
No chargers usually produce about 1.5 volts above the battery to be charged. By connecting a 12 volt charger to an eight volt battery it will boil the electrolyte in the battery.
It takes between 8 and 12 hours to charge a 12 volt battery at 2 amps. The actual time will depending on how much charge is in the battery initially.
Some have a switch for 6 or 12V - if not you will "cook" a 6 volt battery using a 12 Volt charger
Yes, they do.
You can but the motor may not run, however you will not burn the motor.
The crl225 battery is just a standard 12 volt battery. You can get another version, or a replacement battery for this, for about $8 dollars from Amazon or eBay.
no, if you charge 9 volt battery with 12 volt battery you will destroy 9 volt battery