My charger is listed at 5.1V and 850mA and the reset still occurs when the RTC isn't connected.
I measured the operating voltage of the Raspberry Pi to be 4.94V using the TP1 and TP2 test points.
My Digital Multimeter can only measure up to 200mA so that doesn't help too much for checking the Current.
If my DMM could measure a higher Current (like 1A max), would it be a valid test to use it to check the operating current at TP1 and TP2?
Or are we just concerned with the input Current from the power supply?
I'll purchase the power supply and reply later if that was the remedy or not.
Thanks for the quick replies!