Does the car's alternator use gas for accessorial equipment?
I am going on a trip and would like to use my car's cigarette lighter for multiple accessories such as GPS, Cell Phone Charger, Radar Detector, Laptop charger, and Portable DVD Player. To use all of these accessories through my cigarette lighter adapters, would my car's alternator use some of my gas as well? Does the car's alternator use gas on a normal basis? If so, how much gas would it use? Would there be any disadvantages of using all of these accessories at the same time using a cigarette lighter splitter? Thank You!
Technically, the alternator is gas driven, but its not per say. The alternator is a seperate unit that is bolted to the engine. It is driven by a belt, that is driven off of the crank pulley, that turns when the engine is running (using fuel, this is where I mean technically). The alternator is keeping the battery at a constant charge, I wouldn't worry about wasting any gas on the alternator because it is always running when the engine is running, it is hooked up in time to the engine, as the engine turns, the alternator generates current to keep the battery charged.
There is no extra fuel involved in the alternator running. However, I would be concerned of running all the extra power drains. If they (are used at the same time and) have a large(r) power drain, the alternator may not be able to create enough electrical energy to keep the battery charged up. This may cause the battery to go dead, or this may overload the alternators maximun compasity and burn your alternator out. Before you go on the trip, i would suggest having an chraging system check, and a vehicle inspection preformed to make sure your vehicle is in proper running order and wont leave you stranded in the middle of no wehre.
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