[Focus man. Focus.]

Well here is something that everyone should know. An alternator should never be used to charge a drained battery. If you ever drain a battery the best way to keep from burniong up your alternator is to use a battery charger to recharge the battery. Your battery iun the car is only there to start the car and the alternator is there to provide power needed to run the car. If one of the 2 systems fail the other will soon folllow if imediate action isn't soon taken.

You can usually use your alternator to recharge a drained battery but it does put a lot of sterss on the unit and isnt recomended. I am sure there is a few different views on this topic but this is what I was tought in my many years of training in the automotive aftermarket.

I hope this info helps you or anybody that finds themself needing a boost.