Golf cart 6V batteries should still be okay, as long as they’re connected in series pairs to get the voltage up to 12V.
Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( > On Mar 4, 2016, at 11:50 AM, Peter Fell via CnC-List <[email protected]> > wrote: > > I asked ProMariner for some clarification on the battery situation with 2 > house connected in parallel as one bank and a separate start as a second > bank. I also asked if there was any issue with using smaller than Group 24 > batteries with the charger. For example, the OP has a Group 22NF. Another > poster identified they were using a U1 AGM battery for a start (I’m assuming > starting something small like an Atomic 4 .... and I’ve heard of that before). > > Answer from ProMariner tech support was that there is no issue with > connecting the ProSport 20 Plus (3-leg) charger to this battery configuration > provided you do 1 leg of the charger per battery and that there is no issue > connecting to any battery that is smaller than the amp-hour size of a typical > Group 31. > > So there you have it. > > If you want to go golf-cart 6V or 12V batteries larger than Group 31 or if > you want to mix battery technology (i.e. flooded + gel or standard AGM + gel > or standard AGM + premium AGM or ....) then look to another charger. > Otherwise, fill your boots. > > Peter Fell > Sidney, BC > Cygnet > C&C 27 MkIII
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