Car Audio 101 - Alternator Tutorial
with Mike Stiers
http://www.maxxsonics.com
ALTERNATORS
The alternator powers the vehicle, all components and recharges the battery. A standard factory alternator ranges from 40 amps to 120 amps depending on vehicle. When the alternator is under high demand or the demand exceeds the alternators capability, your voltage will begin to fall and rely on the reserve of the battery. [...]