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Author Topic:   1,000-Cold Cranking Ampere Battery
merc125 posted 05-14-2007 04:34 PM ET (US)   Profile for merc125   Send Email to merc125  
Which marine battery to purchase for 1,000 cold cranking amperes? This is for a single battery installation with an electronic fuel injection engine. Thanks Marty D
Royboy posted 05-15-2007 08:22 AM ET (US)     Profile for Royboy  Send Email to Royboy     
Check your owner's manual. You may be confusing Marine Cranking Amps (MCA) with Cold Cranking Amps (CCA). As understand it, the ratings are derived at different temperatures; Amps at zero degrees for CCA and amps at 32 degrees for MCA. The idea being that people start their cars at zero degrees (if they're unlucky enough to live where this happens) but few people crack up their outboard when it's zero out.

My 135 Optimax requires a battery with 750 CCA or 1000 MCA for reliable performance. I suspect your engine has a similar requirement.


Mambo Minnow posted 05-15-2007 12:20 PM ET (US)     Profile for Mambo Minnow    
I just shopped extensively this spring for 1000 MCA battery and a deep cycle for my two battery system.

I recommend the West Marine 1000 MCA in white Group 24 case for $114. The Optimax requires a strong starting battery.

That was the best combination of quality and price I found in a traditional wet cell battery. Many other shops only carry a Group 27 with that much MCA. Too big to fit in my remote access battery compartments.

I also found their stock to be very fresh date stamped. Purchasing there for me runs countintuitive as most things at West are overpriced in my experience.

I got the deep cycle for house circuit at Wal-Mart.

After careful consideration, I leaned toward JimH's past advice that double expense of an AGM battery was not worth the additional cost in my particular application.

rtk posted 05-15-2007 04:13 PM ET (US)     Profile for rtk  Send Email to rtk     
Cabelas brand AGM group 24 is a nice battery. A forum contributor used them for his big block Verados, so I do think it will meet your specs. jsp?_DARGS=/cabelas/en/common/catalog/item-link.jsp_A& _DAV=MainCatcat21276-cat350007&id=0041060016446a&navCount=1& podId=0041060&parentId=cat350007&masterpathid=&navAction=push& catalogCode=IH&rid=&parentType=index&indexId=cat350007&hasJS=true

I put two in the boat last season. I did not remove them for the winter layup, just turned the battery switch off. Fired the engine right up this spring without being charged.


jimh posted 05-15-2007 08:24 PM ET (US)     Profile for jimh  Send Email to jimh     
There are many choices for a 1,000-MCA battery, but this inquiry seeks a battery with 1,000-CCA rating. Please, let's have recommendations only for a battery with a rating of 1,000-amperes at 0-degrees-F. Thanks.
merc125 posted 05-15-2007 10:14 PM ET (US)     Profile for merc125  Send Email to merc125     
I'm having trouble with surging rpm on my 2000 Mercury 200. I rigged this motor myself and the harness is new. My 1997 Dauntless 20 has the battery placed under the passenger side console, so the battery cables are about 16 feet long.
I currently have a 750 cca battery, which is greater than the manual calls for.From what I understand the electronic fuel injected motors are very voltage sensitive, and as part of the trouble shooting process, I was advised to get a battery that I could be sure would not be a problem. I realize I may have to double the cables, or get larger ones. MartyD
rtk posted 05-15-2007 11:18 PM ET (US)     Profile for rtk  Send Email to rtk     
Marty, my 2003 Mercury 250EFI only requires a 630 MCA or a 490 CCA or 80 amp hour battery. Do you have a EFI or an Optimax?

I have a Cabelas 945 CCA group 24 battery you can try out to see if it resolves your problem before you spend money on a new battery. It is pretty close to the 1000 CCA you seek, and well above the 750 CCA the engine specs. Give me a shout at (732) 604-3718, happy to help if I can.


WT posted 05-15-2007 11:25 PM ET (US)     Profile for WT  Send Email to WT     
I have 3 Dual Pro batteries in my 170 Montauk. They are great batteries.

1200 CCA


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