Two 6 volt batteries or two 12 volt batteries ??
Two 6 volt bats in series (12v) or two 12 volt batteries in parallel. Generally, which is a better way to go.amp hrs ??? Comments and experiences appreciated.
Forum Discussion
RasMouSein wrote:
I have industrial "true" deep cycle 12v... 2 for a total of 430amp/h...
The local battery shop had a deal a the time, so it made sense for me.
People go for the 6v because (story goes) of the footprint, they tend to be taller and fit in the same rack. Therefore more amp/hour in the same place.
I agree... but it may not be for everyone due to cost... but you cant get something for nothing!
I also went with the true deep cycle 12v batts (US185HC) for a total of 440ah.... and the footprint is the reason.
I have room for 3 batteries and 3 6v batts just dont work in a 12v system... I only have 2 batteries at this time, but I have room for another 220ah if I decide I want it... (total of 660ah)
with 2 LARGE 6v batts, (L16HC) my limit would have been around 370ah...and not allowed for any option for continued use if 1 of them failed while out and away, whereas with 2 12v batts, the bad one can be removed from the system, and you can still carry on with the good battery... IF I had room for 4 batteries, I probably would have installed 4 6volt L16 batteries.
BUT, when one is looking at regular RV sized batteries, 2 6v batts have the ability to give much better performance over a longer period of time, than does the "regular sized" 12v multipurpose battery that is somtimes called "deep cycle" by those who dont know any better...
