depends on the manufacturer, buell and harley have a little plug.
most small bikes charge off the spark generator through a rectifier/regulator
There are several places online that sell genuine batteries for Harley Davidson motorcycles. J & P Cycles, Save Mart and Harley Touring Electrical sell genuine batteries for Harley Davidson motorcycles. Battery Buyer also sells batteries for Harley Davidson motorcycles and they ship the batteries from Ontario, Canada.
"No, AC Delco does not manufacture any batteries specifically for motorcycles. They offer models for cars, trucks, and marine vehicles. Unfortunately you'll have to shop elsewhere for your motorcycle batteries."
how Can you charge multiple 12 volt batteries with a car?
Yes, if the batteries are rechargeable
No, it is not necessary to disconnect the batteries.
The pad can charge as many batteries as it is destined to charge. Most pads charge about 4 batteries at a time.
NO!
Batteries importance is in their inherent capability to store an electric charge.
Batteries charge nothing they hold a charge.
False assumption.
I am sorry, but I think that this is impossible. It must have batteries to function.