I recently bought a peltier with no ratings. None at all. On hindsight, it was probably not the smartest thing to do, but is there any way I can determine the maximum voltge and current values at which it can work? I know it works with a 9V battery.

I'm planning on feeding it with a variable power supply and keep on increasing the voltage, but how will I know when to stop? Any way to distinguish maximum point of peltier?


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