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Electrical problems Anonymous 25/04/23(Wed)10:30 No. 18805
18805

File 174539703430.jpg - (91.65KB , 1024x682 , young-man-with-knife-in-toaster-879558055.jpg )

I've got a solar panel that's putting out about 23 volts and has a 12/24 controller built into it, and a standard 12v marine battery.

The two should apparently just connect directly and the controller should recognize the battery is 12V so as not to burn it out- but how do I actually verify that when set up it's correctly configured?

Output seems to be 14.4V at the battery terminals; but when I tried to check the amps it set fire to my multi-meter. How many amps are meant to travel between the controller and the battery? Should that cable be 4mm by any chance?


>>
solar dibarra 25/04/25(Fri)18:49 No. 18806

maybe theres a controller switch, verify you got positive and negative identified


>>
Anonymous 25/04/26(Sat)08:44 No. 18807

>verify you got positive and negative identified
Well regarding the panels this can actually vary depending on whether they are wired in series or parallel, currently they are wired in parallel so positive-positive-positive, negative-negative-negative.
>maybe theres a controller switch
Nope, it's a physical circuit with terminals.

I think what's happened is that the circuit is correct I just need 50AMP lines for the battery-controller and my multimeter wasn't intended to measure three phase DC at these amps. Given the thickness of the multimeter wires in hindsight, this is understandable



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