2 batteries - 12 to 24 volt

tomtucson

tomtucson

New member
Can I connect a second battery to the engine both at 12 volts (in parallel?) and then use them for a 24 volt motor? Might as well just address this question straight to Alexy or Welder
 
Is the motor 24 volts ac or dc? If it's ac, it won't work. If it's dc, then you'll be fine, but they'll have to be hooked up in series. Hooking up parallel, you'll still have 12 volts at the total of both cca.
 
You can't have them hooked up for 12 and 24 at the same time, though. There is only one way that I can think of that you could make it work. You would need to have a diode in line, and run the 12 volt machine off of one end of the battery hook up, and then have a diode, and another battery to run the other motor off the other end of the hook up. It would probably work, but, in my opinion, you would be better off just getting another battery.
 
Scott would that be a reasonable thing to do? I need aa lot of amps at 24V
 
I want to run a 24V motor. Maybe a switch or switches to disconnect the engine and connect the batteries.
 
I would not do it. I think it would make things too complicated, and like I said, it woud be cheaper to just buy another battery. Also, unless you are going to charge them independently, meaning, disconnect, charge one, then the other, you are going to need a 24 volt charger. Just another piece to throw in for hassle factor.
 
OK here's what I'm trying to do - I want to run a 24V motor very intermittently. I probably need 2 batteries for the amps. So I was hoping to add a second battery at 12v to the engine and then be able to use them together to run the motor ???
 
If it is very intermittently, you might be able to put a kill switch between the two batteries. You won't be able to use both pumps at the same time, but at least you could kill the second battery while using the 12 volt pump. I would put a switch between the 12 volt pump and the battery, too.
 
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