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Another Battery Question


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On my 94 Malibu echelon I had a single battery AutoCraft M24-3, MCA 100, CC875, Reserve Capacity 125 ($89.99).  This is the battery that came with the boat.  I had 4 JL 7.7 speakers, JL amp and a 10 inch JL sub with a capacitor.  I could runt he stereo 4-5 hours at the sand bar and the volts would only appear to drop a few tenths.  I thought that was exceptional although I'm not sure how accurate the gauge was.  I would have thought it would have used up a bit more power??  Anyway I bought a second boat and need to buy a battery.

Having a good experience with the previous battery, I was planning on getting a similar kind.  However I thought I would see if there were any suggestions on a better battery at a similar price (The battery runs $89.99)?  

Also was considering having two batteries and a nice perko switch to ensure I would always have a battery to start the boat.  However I'm not sure I'd need that setup based on past experience?  What do you guys think?

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The first time your boat doesn't start you will wish you had it!!

I would run a deep cycle for all your stereo stuff and save the starting battery for just that, starting and running the boat.  Completely ensures you always have a starting battery.

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I'm running a starting battery, deep cycle, Perko switch, & Guest 10 amp dual bank on-board charger. The boat spends the bulk of the spring, summer & fall on the lake. Anytime its at the house, the charger is plugged in. The batteries are 5 or 6 years old now a9nd still going strong. The dedicated starting battery and on-board charger is the best way to make sure you don't have problems.

Edited by Bill_AirJunky
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I'd add a second battery for the stereo, but that's not what he is asking.

For the price, I think those Autozone batteries are just fine. I like the walmart everstarts myself because the local auto parts stores usually don't have the size I want for the boat in stock. Costco's brand have done really well in my diesel but I haven't tried them in the boat.

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