I am new to having an outboard so bear with me if this is a stupid question. I just picked up a new to me boat and it only has a single battery. It is a center console fishing boat so there will be days of just sitting with lights and stereo on for some time. I know with my other boats I could upgrade an altenator and have no issues but I was wondering how this would affect an outboard. Do they have upgrade kits or would it be able to handle 2 batteries?
Thread: Dual Batteries
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11-25-2009 10:19 AM
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11-25-2009 10:32 AMYou can add a second battery with no engine mod. Just don't turn the switch with the engine running. It is also best if the two batteries are same age and model as the will attempt to balance them selves. To charge simply select both while running.
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11-25-2009 10:49 AM
That is what I thought just checking, Thank you
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11-25-2009 07:33 PM
It sounds like you'd be better off getting a deep cycle for the second battery. It will start the boat fine if needed. Use the deep cycle when you are floating or anchored and running accesories.They are made to run up and down more than a standard starting battery. Switch the battery switch as needed to charge it.
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11-25-2009 10:59 PM
Anyone know what switch I would need? Do I need the one with the alternator field disconnect or just a standard switch. Again still learning about these outboards so bear with me. Thanks
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- Join Date
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11-25-2009 11:02 PMStandard switch.
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11-26-2009 02:41 PM
Standard Perko switch with Off/1/ALL/2