Ross has got it right Rich... check my post #11.. it has a link that shows how it needs to be done.. red to both (pos) reds and black to both (neg) blacks.. this gives parallel.. the other way is in series and as rightly mentioned, it doubles the cell count/V instead and you dont want series!


and why not try doeble the align bateries up and swap battery when 1 gets low on juice
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