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Electrical help: Using car battery charger as power supply for OAV.

12K views 21 replies 17 participants last post by  Metropropolis  
My neighbor's old-school 12V car-battery charger worked like a charm to power my Oxalic Vaporizer.

So I went out and bought one. But it didn't work as expected.

Turns out that the one I bought has a "safety feature" that requires it to detect voltage at the other end before it turns on the juice.

I gather this is a pretty standard feature on any basic car charger.

I've experimented using a car-battery inline between the charger and the OAV, and it worked.... but this only confirms the behavior, and is not a practical or sensible workaround.

For the electrical Gurus: Is there a simple trick or workaround to get the car battery charger to power my OAV, either by disabling this safety feature, or tricking it into thinking there's voltage at the other end?
Go buy an old one.