Sorry:) I have set it for different voltages. The power supply I have is 0 to 24 volts. It's strange but when I set it to 12 volts, it draws 8.4 amps. As I increase it to around 15 or 16 volts the amp draw is 11ish amps. As I increase more to 24 volts, the amp draw comes back down to 8.4.
Maybe...