I have heard of larger trucks and commercial vehicles having dual 12V lead acid batteries, and was wondering if anyone here knows anything about the equipment required. I am interested in dual batteries for several reasons;
-no more jump starts necessary
-more power for high load applications (aux lights/equipment, jumping other people's cars)
-24V available for construction equipment accessories
My biggest concern is how to wire the batteries to the alternator and the electrical system of the vehicle. The simplest solution would be to wire both batteries through a selector switch and then to the original battery terminals. I would just have to remember to switch the battery I use from time to time to keep both of them charged. Is there a way that I can wire both batteries so that they will both charge off of the alternator and run the vehicle's electrical system together, and possibly also have them in series for 24V power?
Any thoughts/ideas would be appreciated