I have two 12 VDC batteries under the hood of my GMC duramax/allison diesel truck, why don't I use two 6 VDC golf cart batteries in series in their place?
Off road vehicles have 12 VDC batteries, why don't the off roaders use two 6 VDC batteries in their vehicles?
Not many people use their truck campers as much as Janet and I do (1032 nights, 67,000 miles, all off the grid), why don't we use two 6 VDC golf cart batteries in series in our camper?
Note: We totally depend on our onboard electrical system every minute that we are in the camper. I doubt that anyone has a more sophisticated electrical system in their camper than we do or use all of theirs more.
The answer to all three questions is the same:
With a cobbled up system using two 6 VDC batteries wired in series to operate a 12VDC vehicle or a 12VDC truck campers system gaurentees failure when one of the 6 VDC batteries fail, the survivor would be usless.
The four wheeler would be stranded many miles from safe haven if one 6VDC failed...(one 6 VDC battery would be worthless)
We would be stranded if our truck didn't have a good source of 12 VDC to turn over that big diesel engine when we are in some of the very remote areas that we go (one 6 VDC battery would be worthless.)
All of that sophisticated electronis equipment in our camper would be worthless without 12 VDC battery storge... The PVsolar panels would be worthless without a place to store their output, the inverter won't run on 6 VDC, The fridge computer requires 12 VDC, I couldn't even start the built in generator with 6 VDC if one of the two 6 VDC golf cart batteries in series failed.
I can think of a 1000 reasons to have two good 12 VDC batteries but I can't think of a single reason to own a pair of 6 VDC golf batteries wired in series when one of them has failed. I don't have a single thing that will run on 6 VDC.
Just another something to think about.... don't you think?
Sleepy
