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Battery replacement
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Author:  ejjones55 [ Wed Jun 08, 2016 11:38 am ]
Post subject:  Battery replacement

Went to the dock yesterday, jumped in, and click click...battery dead. I went home, pulled out the battery and it's Interstate Battery Marine/RV deep cycle. Now the battery is probably past its prime according to the owner I just bought it from. (Owner ran the boat once in the last three years).

My question...I'm going to replace it today and what should I buy. I have the single battery setup currently.
I've heard and read possibly that the deep cycle isn't necessary...True?

Thanks

Author:  babbot1 [ Wed Jun 08, 2016 12:29 pm ]
Post subject:  Re: Battery replacement

Check your manual. Looks like you have a Volvo and somewhere it will specifically state NOT to use a deep cycle battery. They cannot provide enough current to the computer during startup and could cook them, well at least that's what my manual said for the 5.7gi.
Look for a quality marine dual purpose or cranking battery within the specs of your engine, also in the manual. Probably at least an 800 amp with the 5.7. Everyone has their "goto" brand but I prefer Optima's they are more money but lighter and should last longer. Plus it handles long intervals better.
If you don't have a battery switch it's a good add on feature as well.

Author:  LouC [ Wed Jun 08, 2016 3:20 pm ]
Post subject:  Re: Battery replacement

I have a pair of group 27 dual purpose Deka Marine batteries in my '88. The issue with deep cycle vs starting is some deep cycles while they are good for their intended purpose, do not have enough cranking amps for an EFI engine. That's the reason for Volvo's recommendation. Cranking batteries have the highest cranking amps, followed by dual purpose batteries and then by deep cycles. On the other hand a deep cycle can be drawn down many times and re-charged, you cannot do that with a starting battery. Find out how many cold cranking or marine cranking amps Volvo requires. If a dual purpose battery meets their spec I'd use that.

Author:  230 Mike [ Wed Jun 08, 2016 6:27 pm ]
Post subject:  Re: Battery replacement

I can't recommend highly enough the Interstate dual purpose 27M-XHD. It's all I've used since the boat was new and they've never lacked amps.

http://tinyurl.com/jubcfcx

Last replacement (2011) I paid $112 each direct through the main Kansas City distributor. I suspect they've gone up since then, I'll be finding out soon...

Author:  jnizi [ Sat Jun 11, 2016 9:58 am ]
Post subject:  Re: Battery replacement

I agree with Mike, I have stayed with the 27M-XHD. I paid $121 last year direct from the local Interstate Dealer.

Author:  230 Mike [ Mon Jun 13, 2016 3:29 pm ]
Post subject:  Re: Battery replacement

Here in KC the same distributor is $26 higher now than 5 years ago, now $138. But they have 52 in stock. :shock:

Author:  Parkrat [ Sat Jul 09, 2016 8:32 am ]
Post subject:  Re: Battery replacement

Like somebody said above.. my manual states not to use deep cycle batteries.

Author:  Rick180 [ Sun Jul 10, 2016 11:31 am ]
Post subject:  Re: Battery replacement

From my 2004 Horizon 180 operator's manual-

MAINTENANCE SECTION
Pg 75-
1. Batteries must be heavy-duty and constructed for marine use. They can be either vented/refillable, maintenance-free, or deep-cycle with a CCA or MICA rating. Refer to the section entitled Technical Data for the correct battery sizes.

TECH SECTION
Engines-
3.0GLM-C, 3.0GLP-C, 4.3GLD
12v with 360 Cold Cranking Amp (CCA) rating

4.3GXi-E, 4.3GXi-EF, 5.0GXi-E, 5.0GXi-EF, 5.7Gi-E, 5.7Gi-EF, 5.7GXi-F, 5.7GXi-FF, 8.1Gi-E, 8.1Gi-EF, 8.1GXi-D, 8.1GXi-DF
12v with 650 Cold Cranking Amp (CCA) rating (135 minute reserve capacity) CAUTION! Do not use a deep cycle battery as the start battery.

5.0GL-E, 5.7GL-E
12v with 650 Cold Cranking Amp (CCA) rating

Recommendations for batteries may have changed since then.

Rick

Author:  298VISTA2000 [ Sun Jul 10, 2016 8:54 pm ]
Post subject:  Re: Battery replacement

I wouldn't worry too much about the brand because there are only about 3 or 4 battery suppliers out there who provide the majority of your batteries (most retails just pop a private label on them).

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