Hi, Jim — a 20amp charger is pretty minimal for your battery setup and electrical needs; typical minimum would be based 0n 10% of your house bank’s total amp-hours, which I’d guess to be around 300 amp-hours or so. So you’d be looking at a 30-amp or larger battery charger.
The Mastervolt 35-amp would be a good choice; and I also have some friends who have put in the ProMariner ProNauticP 30-amp charger: https://www.defender.com/product3.jsp?path=-1%7C328%7C2289962%7C2289966&id=1512412 <https://www.defender.com/product3.jsp?path=-1|328|2289962|2289966&id=1512412> Defender sells these for about $360.00; unfortunately I can’t get these at cost as my vendor does not carry them. But they look like a nice charger. And you can get a decent remote for them, as well: https://www.defender.com/product3.jsp?name=promariner-digital-display-and-remote-control&path=-1%7C328%7C2289962%7C2289970&id=1795912 <https://www.defender.com/product3.jsp?name=promariner-digital-display-and-remote-control&path=-1|328|2289962|2289970&id=1795912> The remote options for the Mastervolt use the MasterBus display, which is about a $400.00 item. — Fred Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( > On Feb 5, 2018, at 7:04 PM, detroito91 via CnC-List <cnc-list@cnc-list.com> > wrote: > > Looking to replace current prosport12. I carry 4 batteries. 1 for starter > and remaining 3 are house. > Promariner suggests the prosport 20+. (Will control 3)put the house batteries > on it use the prospprt 12 to maintain the starter battery. > My biggest user would be the norcold refrig. Other than standard radio and > lites. > My question..prosport 20+ , another brand or another way > Jim schwartz > SEA YA! > 38LF > washington nc
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