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Posts: 4269
Location: Ashland WI | I am thinking of adding a battery to my system for longer run times. It would be nice for camping trips where I don't have access to a charger.
I have two questions:
1) How do I wire the two batteries together?
2) How do I connect my onboard charger?
Thanks in advance. |
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Posts: 16632
Location: The desert | Connect them in parallel. Positive to positive, negative to negative.
Not sure on your on-board. I'd guess the same way if they were hooked in series. |
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Posts: 4269
Location: Ashland WI | Would I be able to connect it to just one of the batteries terminals and it would charge both because they ate connected? Or is it not good to charge two batteries at the same time with one charger? |
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Posts: 117
| Connect the batteries pos to pos and neg to negative--this essentially tuns them into one big battery. Connect trolling motor to one battery, and connect the charger the same way. |
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Posts: 410
Location: With my son on the water | Macintosh
I need to complement you on your answer. To the point, and detailed. NICE.
Let me throw in that if you are camping I have heard some of the inexpensive solar chargers work well. But I think you would need to seperate your batteries. But you could maybe set one battery on the beach one day, abd then use it the next? But I don't know anything about them so if you would use one you may want to check out the technical details more.  |
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Posts: 4269
Location: Ashland WI | Macintosh - 12/23/2014 6:13 AM
Connect the batteries pos to pos and neg to negative--this essentially tuns them into one big battery. Connect trolling motor to one battery, and connect the charger the same way.
Excellent. Thank you. |
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Posts: 333
Location: menasha wi 54952 | Also.....as an FYI.....it will take your "Double" battery twice as long to charge as your "Single" battery. |
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Posts: 613
Location: Michigan | You can run a 12v system with 2 batteries? I thought one would have to upgrade to a 24v? |
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Posts: 16632
Location: The desert | jasonvkop - 12/25/2014 12:24 PM
You can run a 12v system with 2 batteries? I thought one would have to upgrade to a 24v?
You could run a 12 volt system with a bunch of batteries, as long as they are hooked up in parallel. A 24 volt system is two batteries hooked up in series.
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Posts: 613
Location: Michigan | Cool. Did a little reading up on it and want to see if I have the basic idea; hooking batteries up in a series would give me more power, but same running time while a parallel connection gives me the same power, but longer running time? |
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Posts: 16632
Location: The desert | Yep. |
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Posts: 613
Location: Michigan | What gauge wire should be used when connecting the batteries? |
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Posts: 192
Location: Quebec, Canada | All depends on wiring extention length. Minn Kota has a pretty usefull chart:
http://www.minnkotamotors.com/WorkArea/DownloadAsset.aspx?id=3273
Per example, if you end up using 6 AWG for your extention, use the same to connect your batteries in parallel.
Edited by Drakl 4/5/2015 5:23 PM
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12 volt system with 2 batteries