[C320-list] Couple of start Battery questions

[Mark Cole]

Oops, fat fingers!  Yes, 5511e is the correct model. 

Mark
Sent from my iPad

> On Jan 28, 2019, at 07:10, John Meyers <jcmeyers7 at gmail.com> wrote:
> 
> Mark,
> 
> I went to the Blue Sea website and searched for 5511a and did not find it.
> But, I did find 5511e. Is that the one?
> 
> Thanks
> 
> John Meyers
> 
>> On Sun, Jan 27, 2019 at 11:33 PM Mark Cole <boatnboot at me.com> wrote:
>> 
>> I added a start battery to my boat a couple of years ago and went with a
>> Group 27, 100AH, 640CCA and it has worked fine.  I made a note that a
>> starter usually draws (engine cubic inches x 2) amps and for my Perkins M30
>> that was 60ci x 2 = 120 amps, so I used 0 AWG wire from the battery to the
>> starter.
>> 
>> You might also want to take a look at a dual circuit switch like the Blue
>> Seas 5511a.  This switch has separate circuits for the start battery and
>> the house bank permanently wired (no A/B setting) so the start battery is
>> always connected to the starter and the house bank is always connected to
>> the DC distribution panel.  No need to change the selector at all and no
>> chance of drawing down the wrong bank, unless you need to combine both
>> banks.  Big plus is that it is the exact same size as the DC battery switch
>> on the 320 panel and is easy to change out.
>> 
>> Mark Cole
>> Fiddler’s Green #8
>> Puget Sound
>> 
>>>> On Jan 27, 2019, at 3:08 PM, Stephen Cox <scox at timmin.com> wrote:
>>>> 
>>>> 
>>>> I just need to make sure I have a Start Battery large enough
>>>> to crank the Yanmar 3GM30F.
>>>> 
>>>> 
>>>> 
>>>> FYI ..   I "was" not going to use AGM for the start battery.
>>>> I was going to use cheaper non-serviceable Lead Acid since
>>>> the Balmar DDC 12/24 allows you to configure for any kind you
>>>> want.  It only charges the Start Battery when needed and
>>>> pulls the charge from the house bank source.  (Assuming I do
>>>> things the way I plan).
>>>> 
>>>> While writing this...I just found an AGM at 800 CCA for the
>>>> same price so I may change my mind on AGM start battery.
>>>> Anybody know the minimum/ideally sized start battery for the Yanmar?
>>>> 
>>> 
>>> 
>>> From the manual... 12V 64 AH or more (type 95D31L or equivalent)
>>> 
>>> I seem to recollect reading somewhere else that 650 CCA was recommended
>> and
>>> looking up 95D31l batteries on the net, they seem to come in around the
>> 650 -
>>> 750 CCA mark so an 800 CCA battery should be fine.
>>> 
>>> Regards,
>>> 
>>> Stephen Cox
>>> Tegwen #1141
>>> 
>> 
>>