Boats For Sale:
Boat Battery Compatibility |
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jroddie 
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Joined: August-13-2020 Location: Texas Status: Offline Points: 7 |
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 Topic: Boat Battery CompatibilityPosted: August-18-2020 at 3:13pm |
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Hi All,
Looking for assistance in finding the right battery I need for a 1976 Ski Nautique. The service manual says the minimum requirements are: 12v Marine Type, Tapered Post Connectors, 70 amp-hr minimum rating. Would this battery work? EverStart Lead Acid Marine & RV Deep Cycle Battery, Group Size 24DC (12 Volt/690 MCA)If not, what specifically do I need to look for in a battery. Deep Cycle? Crank? Etc. All help is much appreciated. Thanks, James
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GottaSki
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Joined: April-21-2005 Location: NE CT Status: Offline Points: 3363 |
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Posted: August-18-2020 at 3:29pm |
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Good inquiry
No deep cycle, unless you have a trolling motor and like slow, labored starts. No 24v battery unless you want to burn up the electrical system. So, std cranking battery, 750-825 CCA , 12v |
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"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."
River Rat to Mole |
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jroddie
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Posted: August-18-2020 at 3:36pm |
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Thanks for the advice. Having a hard time finding something with those specs that isn't expensive.
Would a car battery work? Do you have a link to an example?
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: August-18-2020 at 4:18pm |
Yes, automotive starting is a great choice. The cost of lead has gone up so they are getting pricey.
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jroddie
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Posted: August-18-2020 at 4:20pm |
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https://shop.advanceautoparts.com/p/autocraft-marine-battery-group-size-24m-800-cca-m24-3/16940017-P
Would this battery work fine?
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11093 |
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Posted: August-18-2020 at 4:25pm |
It'll work just fine and it's pretty easy to find a 25% discount coupon for a computer order from Advance Auto. It might be too tall unless you modify the battery box cover though. Order and pay with PayPal, charge card etc, walk in the store and they hand you the battery
 Check the height of the battery and your battery compartment. It might be a little too tall for the compartment. |
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KENO
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Posted: August-18-2020 at 4:27pm |
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By the way, I guess you don't really want any of those PDF's you were looking for a few days ago or you would have sent an e mail to the guy in your other post
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jroddie
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Posted: August-18-2020 at 4:29pm |
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I actually found the initial PDF I needed after some searching! I may need the other ones in the future, but currently I've got what I need. I appreciate it though and have noted the email in case I need the other ones
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KENO
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Posted: August-18-2020 at 4:32pm |
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OK............now go get your Advance auto battery with 25% off
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8122pbrainard
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Posted: August-18-2020 at 4:45pm |
James, Why the "marine" battery? Do you actually need the terminal studs and the lugs? The word "marine" on anything automatically increases the price!
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Gary S
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Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Posted: August-18-2020 at 5:29pm |
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Don’t know if all advance autos are the same but keep an eye out on the date code of the battery. They tried passing off a year old battery on me once. Just bought one from O’Relies for my truck that was dated this month....
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MrMcD
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Posted: August-18-2020 at 11:33pm |
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I have purchased my batteries from Sam's Club for several years. They work, nothing special but they work and price is reasonable.
I have found over the years that the batteries with higher cranking amps also have more lead plates inside. Good for extra power but in a boat those larger plates can start banging around and short out. The lesser power batteries don't seem to have that issue. I would still want something with at least 650 CCA so you have enough power on hand. The old flat bottom Nautiques can be rough when the water is not nice, it is hard on your battery.
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swilliams
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Joined: June-26-2016 Location: Cincinnati,Ohio Status: Offline Points: 236 |
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Posted: August-19-2020 at 5:05am |
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You probably would also want to consider using the group 65 battery. It’s size fits well in the battery locker on that vintage cc.
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1976 Martinique,350 Omc. 1975 Glastron/Carlson CV16,115 Merc.
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8122pbrainard
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Posted: August-19-2020 at 7:10am |
Mark, On my very flat bottom very hard riding X55, I too learned this lesson. Years back I went though 3 high CCA batteries (around 1000) in 4 years then, I learned what was going on. With all the lead plates in the high CCA batteries taking up the space that support was less so they were breaking and shorting. Yes, bigger is not always better.
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jroddie wrote: