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| Can you hook up 4 batteries for a 24 volt system to get more time out of your batteries. If so can you please explain or show diagram???
Thanks, limitout |
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| I might be wrong but I think you hook two of the batteries up positive to positive and negative to negative, then do the same thing with the other two batteries. This will be like having two large 12 volt batteries. Now them up like a normal 24volt system. ie.....positive from trolling motor to one set of batteries and the negative from the trolling motor to the other set of batteries. Now connect the two sets of batteries positive to negative and negative to positive. Sorry, not a real great description but it'll work. |
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| Sure, four 6 volt batteries connected in series makes 24 volts.
Connect the negative terminal from Battery #1 and take it to the trolling motor plug. Next, take the positive terminal from battery #1 to the negative terminal of battery #2. The positive terminal on battery #2 goes to the negative of battery #3. The positive terminal of #3 goes to the negative of battery #4. Lastly the Positve terminal from #4 goes to the trolling motor plug.
If you have the room four 6 volt batteries they should last longer than two 12 volt batteries connected in series. Four 6 volt batteries should have more plate/electrode surface area compared to two 12 volt batteries giving you more amp hours. |
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Member
Posts: 3899
| ibfishn - 3/21/2008 7:20 PM
I might be wrong but I think you hook two of the batteries up positive to positive and negative to negative, then do the same thing with the other two batteries. This will be like having two large 12 volt batteries. Now them up like a normal 24volt system. ie.....positive from trolling motor to one set of batteries and the negative from the trolling motor to the other set of batteries. Now connect the two sets of batteries positive to negative and negative to positive. Sorry, not a real great description but it'll work.
Yes, this will work fine. And while 4 6volt batteries all in series may give more time, 4 12's connected this way will nearly triple your battery time. Bear in mind that your charge time will just about double, too, if you have have two banks of a charger connected.
If you need a drawing, let us know.
Edited by Shep 3/22/2008 10:59 AM
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| OK, how would a 2 bank charger work with the 4 - 6 Volt batteries??? |
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Member
Posts: 859
Location: Appleton wi | Ok i'm just wondering why you wanna use 4-6v batteries? typical guys run 2 -12v in series to get 24v. |
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Member
Posts: 1656
| Ritch, spare yourself the agony and don't even think about it anymore. hahaha
Why 6V was brought up in the first place is confusing. The guy wants more capacity and on a 24V system....."A" upgrade batteries, "B" 4 batteries tied parallel-series. But as Shep stated charge time will be almost twice as long. The other issue with a parallel-series circuit you will always have 2 sets of batteries trying to equalize themselves. Thus a shorter life expectancy. Better money spent in the long run is two better quality batteries. ie AGM or Gel Cell, such as Trojan AGM or Optima's.
damn it, now I have a headache. 
Edited by Jayman 3/25/2008 2:35 PM
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Member
Posts: 859
Location: Appleton wi |  |
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| Thanks Guys for the info. I think I am going to stay with 2 12volt batteries and just add an alternator charger, so when I am moving from spot to spot I am getting a charge on the trolling batteries. Has anyone had any issues with the alternator charger??? |
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Member
Posts: 102
| 4 good batteries, 12V each, will work for 24V if you connect them like this:
+ ------- + Connect the tops of the two pairs together plus to plus.
- -
/ / Connect minus to plus in the center of each battery pair.
+ +
- -------- - Connect the bottoms of the two pairs minus to minus.
Connect the motor to the top plus connections and the bottom minus connections. Each series leg is 24V and the two legs in parallel are still 24V but with twice the reserve capacity. You would need a 24V charger to recharge them though if you left them like this. To use a 12V charger you would need to disconnect the plus to minus center wires, connect all 4 plus terminals together, connect all 4 minus terminals together and put the charger across one battery which is actually now 4 batteries in parallel. Remember, batteries in parallel (+ to + and - to -) always have the same voltage but double the capacity. Batteries in series (+ to - in the center) double the voltage but the capacity remains the same. The reason a 24V motor is able to run longer on similar capacity batteries than a 12V motor is just that it is slightly more efficient, not because the batteries have more capacity. It would seem to me an awful lot of work constantly rewiring the batteries after every use to charge them if you don't have a 24V charger.
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4 Batteries For 24 Volt Trolling Motor