Setting up 24v system out of 2 12v's

[jsledder]

New to the forums, need a little help...

Getting rid of my 12v trolling motor and replacing it with a 24v. I only had one deep cycle to begin with and now have 2 in my possesion. I've found out that in order to get the 24's out of the 2 batteries you need to hook them together via + to -. Now, this is where I get confused. Do I hook the troller up to one battery, + and - or do I need to hook to both batteries?? Can I still run my 12v stuff off of these or do I need to run them off the starting battery? Do I hook my on board charger up normally (+ and - on each battery).

Thanks:bowdown:

[Hot Runr Guy]

To get 24 volts out of (2) 12's, here's what you do. You need a jumper that runs from battery #1 positive to battery #2 negative. Hook your trolling motor negative to the negative of battery #1. Hook your TM positive, with a circuit breaker, to battery #2 positive. This is called a series connection.
Now, for the other stuff. Each battery used above still creates 12 volts. So, to power your other stuff, just hook them up to 1 battery (does not matter which one). The ONLY item that gets the negative on one battery, and the positive on the other, is the 24V trolling motor.
Ideally, you should have a 3-bank charger. Each set of charger leads goes to each battery. What do you have charger-wise? If only a 2-bank, for now, hook it up to the (2) batteries being used for the trolling motor. Each set of leads to each battery.
Hope this helps. If not, ask away. Others may be able to explain it better.
HRG

[Keith Walters]

New to the forums, need a little help...

Getting rid of my 12v trolling motor and replacing it with a 24v. I only had one deep cycle to begin with and now have 2 in my possesion. I've found out that in order to get the 24's out of the 2 batteries you need to hook them together via + to -. Now, this is where I get confused. Do I hook the troller up to one battery, + and - or do I need to hook to both batteries?? Can I still run my 12v stuff off of these or do I need to run them off the starting battery? Do I hook my on board charger up normally (+ and - on each battery).

Thanks:bowdown:

To get 24V, you will need to connect your trolling motor leads to the positive of one battery and the negative of the other battery. Your onboard charger should connect as usual with one set of leads to each battery (positive to positive and negative to negative). You can access 12V from either battery's positive and negative, however, its is recommended to service only your 24V trolling motor from these two batteries. This helps prevent interference with fishfinders, ect. If ever your starting battery gets to low to start the big motor, you can use jumper cables from ONE BATTERY ONLY, positive to positive and negative to negative, to the starting battery.

Good fishing, you will enjoy the added power from the 24V trolling motor.

Keith Walters (Nebraska)

[lipripper1]

good info.
hope this helps. I know it answered a few questions I get asked...

[jsledder]

Thanks guys, I love forums like this!!!:rockit:

Got it figured out after some showers of sparks (finally went and bought a volt meter so I knew what I was putting out before I hooked up to it).

I have a 2 bank charger hooked to each battery seperately.

I did find out that for whatever reason, after you hook them together for 24v you can't go ahead and hook them up parallel. I tried hooking them together so the electronics drained from both batteries but when I tried going + to - and - to - I got the 4th of July.

Now to go find some fish!!! But first....:boozer: