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Battery Charger question...

Discussion in 'Catalina 310' started by SailFysh, Apr 6, 2017. Add this thread to a FAQ

  1. KZW

    KZW

    Joined May 17, 2014
    477 posts, 18 likes
    Catalina 310 #307
    US Bluewater Bay, FL
    Mine are installed just similar to the picture shown. They are held down by 2x4s which are under the seat panel, out of view. All my seats and supporting panels are wood!
     

    Attached Files:



  2. SailFysh

    SailFysh

    Joined Aug 23, 2014
    163 posts, 5 likes
    Catalina 310
    US Guntersville, Alabama
    I do plan to strap them down. I do not have a tray beneath them but that is a good idea.
     


  3. marchem

    marchem

    Joined Nov 16, 2012
    387 posts, 12 likes
    Catalina 310, 2000, #31
    US Santa Cruz, CA Santa Cruz
    Ours also has a 2x4 that holds the batteries down. It is interesting that Neal has wood where you and I have fiberglass. The little bit of upholstery at the right edge of the seat is also interesting. I wonder if that was done at the factory, or a PO made the change. Maybe it provided a larger access hole to the batteries?
     


  4. BC Bernie

    BC Bernie

    Joined Aug 29, 2016
    16 posts, 2 likes
    Catalina 2004 310 (Hull #250)
    CA West Vancouver BC
    Has anyone mounted their charger under the sink?
    I've been chatting with an ABYC certified guy and he thinks it's a good location: dry area, good ventilation, and a much shorter run to the batteries.
     


  5. SailFysh

    SailFysh

    Joined Aug 23, 2014
    163 posts, 5 likes
    Catalina 310
    US Guntersville, Alabama
    That is an interesting idea... I did not even consider it.
     


  6. Maine Sail

    Maine Sail Moderator

    Joined Feb 6, 1998
    10,314 posts, 298 likes
    Canadian Sailcraft 36T
    US Casco Bay, ME
    Considering the number of faucet and sink flange leaks I have seen over the years I would choose the location very carefully or at the very least fabricate a drip shield..
     


  7. BC Bernie

    BC Bernie

    Joined Aug 29, 2016
    16 posts, 2 likes
    Catalina 2004 310 (Hull #250)
    CA West Vancouver BC
    Hey - Turns out someone has already mounted a charger under the sink (not me). The current locker location is more likely to be wet than under the sink...Drip shield...good idea Mr. Maine Sail. Pronautic states the charger be mounted in a dry location and the locker is not always dry (and it rains alot around here!). Under sink location is cool and dry with lots of space around it. Good access to cables and wires. Much shorter run to the batteries. Easy to see what's going on. Close to the nav area where I want to put the remote monitor so cable length not an issue. Plus there is way less chance of it being hit by items, as opposed to all the junk I throw into the locker now. They also state that there should be ample ventilation and at least 6" space around and in front of the charger.
    I think my new Pronautic is going to be under the sink....comments anyone??

    Anyway, we found this pic that someone else has completed.
     

    Attached Files:



    Last edited: May 18, 2017
  8. pk104

    pk104

    Joined Jun 30, 2009
    191 posts, 2 likes
    Catalina 310
    US Atwood Lake
    I have a pump in that location for the shower/frig. What about the humming sound the charger makes would it keep you awake or be irrating while sitting in the cabin?
     


  9. KZW

    KZW

    Joined May 17, 2014
    477 posts, 18 likes
    Catalina 310 #307
    US Bluewater Bay, FL
    Interesting. My shower / frig pump is under the sink in the head. I'm constantly amazed by the differences in this production boat that had a short run.
     


  10. SailFysh

    SailFysh

    Joined Aug 23, 2014
    163 posts, 5 likes
    Catalina 310
    US Guntersville, Alabama
    The noise made by the promariner I installed is not an issue for me sleeping. Just a quiet fan to put me to sleep. I installed in the aft berth on the wall behind the head. Short run to the batteries. Easy to read and monitor.
     


  11. Jim 5757

    Jim 5757

    Joined Jun 19, 2004
    303 posts, 18 likes
    Morgan M28 O/I
    US The Jersey Shore Ocean Gate, NJ
    Just an observation: I've noticed that all charger specs that I've looked at specify the output in DC amps. I believe this is the total output capacity. So if you have a 60 amp charger with 3 outputs, it can supply 3 batteries with 20A each, 2 with 30A or 1 with 60A (of course this is assuming all are in an equal state of discharge and all other things being equal!). What say you all???
     


  12. Stu Jackson

    Stu Jackson

    Joined Feb 26, 2004
    19,396 posts, 340 likes
    Catalina 34
    US C34 San Francisco


  13. Jim 5757

    Jim 5757

    Joined Jun 19, 2004
    303 posts, 18 likes
    Morgan M28 O/I
    US The Jersey Shore Ocean Gate, NJ
    Thanks for that link Stu...I read that awhile ago but forgot about it. To quote Maine Sail:
    "The output (of the Sterling Procharge Ultra) is distributed by demand not divided equally as some chargers are. So if a start battery was at 99% state of charge and your house bank was at 60% state of charge the house bank would likely be seeing the vast majority of the charging current 18-19A or so and the starter would be seeing 1-2A or less."
     



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