AGM battery advice
Well, it looks like the two Interstates are cooked. I'm considering upgrading to AGMs. Looking at some of the pricing, like the EXIDE brand is scary, but OPTIMA lists a nice 750CCA batter for onl...
Forum Discussion
gitpicker2009 wrote:
ticki2, you may be right, I'm only stating what they told me. When you hook up the batteries in series you double the voltage but the current available remains the same. They say it's 230 amp hours (at 77 degrees) and you divide that by the 20 hour industry rule (where THAT came from, nobody seems to know:)
What part am I missing?
The part you are missing is that you can only use half of the 230ah before recharging , that's 115ah .
Your two 12v are 88ah each but you only have 88ah to use before recharging at the 50% level .
