12V vs 6V
Recently bought our first travel trailer, and it has been quite the education, including understanding the dual electrical system. One thing I am thinking about doing is adding a 2d battery. I have ...
Forum Discussion
Get two new 6V GC2's.
Keep the 12V as a spare, in the truck. If you need it you have it. You just use either-or (2X6V or 1X12V)
Wiring two 12V batts in parallel will not give you the same capacity, the plates are smaller in them. Also, if one gets a bad cell, It can damage the other battery. This does not happen with 6V batteries in series. I have a *marginal* cell in one of my GC2's. If I was running 12V, I'd have had to replace them already.
Keep the 12V as a spare, in the truck. If you need it you have it. You just use either-or (2X6V or 1X12V)
Wiring two 12V batts in parallel will not give you the same capacity, the plates are smaller in them. Also, if one gets a bad cell, It can damage the other battery. This does not happen with 6V batteries in series. I have a *marginal* cell in one of my GC2's. If I was running 12V, I'd have had to replace them already.
