Peter — please remember that six-volt and twelve-volt batteries are made from 1.5-volt cells; the only difference is the number of cells wired in series to make up the battery. Two six-volt batteries wired in series are functionally equivalent to a twelve-volt battery.
I can understand if that particular ProMariner charger doesn’t have enough current to charge a large battery; but "each leg of the charger attached to a single battery” would apply to two six-volt batteries wired in series. There’s no way for the charger to know the difference, and electrically there IS no difference. Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( > On Mar 4, 2016, at 4:03 PM, Peter Fell via CnC-List <cnc-list@cnc-list.com> > wrote: > > No. It won’t work. It will not charge two batteries in a bank either in > series or in parallel by spanning across the batteries. It will only work > with each leg of the charger attached to a single battery. That is very > specifically identified multiple times in the literature. > > 6V golf cart batteries are a no-go. Full stop. End of discussion. See my > previous posts. > > If someone at ProMariner or a retailer is giving you other info then they are > wrong. I admit that ProMariner support is a bit daft ... I’ve had to re-ask > questions several times to obtain answers to all the questions that I asked. > > The Pro-Sports I think are decent chargers at a great price-point with some > rather unique features, like distributed charging ... but they have their > limitations. > > Peter Fell > Sidney, BC > Cygnet > C&C 27 MkIII
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