Thanks Joe, I was gonna say most lawn mower/tractor batteries (U-1) have about 30 Ahs and are rated anywhere from 200 to as much as 450 CCA. Until now I hadn't heard of anyone using one as a starting battery on a boat but your example is proof that it works. Knowing that my "6Ah" battery got my 3HM35F going, I figure there has to be a lead acid option out there that would be a best balance between power and size. U-1, motorcycle, SLA, etc....
Josh On Dec 1, 2015 1:12 PM, "Della Barba, Joe via CnC-List" < [email protected]> wrote: > My Atomic 4 draws 120-130 amps to start. I use a U1 size battery for the > start battery. When the engine is warm it starts in about 1 second maybe. > For a cold engine on a cold day the battery works but is a bit marginal. If > it ever proves too weak, and it never has, I can parallel to the house bank. > > A U1 is usually around 200 CCA and 31 AH. It would be kinda small if you > are running glowplugs or electrical preheat before starting. > > > > Joe Della Barba > > Coquina > > > > *From:* CnC-List [mailto:[email protected]] *On Behalf Of *Dennis > C. via CnC-List > *Sent:* Tuesday, December 01, 2015 1:45 PM > *To:* CnClist > *Cc:* Dennis C. > *Subject:* Re: Stus-List small start battery for yanmar 3hmf > > > > Just for info, most 2-3 cylinder marine diesel starters require 150-200 > CCA (cold cranking amps). Recommended battery size from many diesel > manufacturers is 400-600 CCA. > > Dennis C. > > _______________________________________________ > > Email address: > [email protected] > To change your list preferences, including unsubscribing -- go to the > bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > >
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