@spiderplant0 Hi, I can't speak to the specifics of your case--I'm using a bare GPy sitting on a custom board--but I've also been looking into deep sleep current consumption. I started a thread on the GPy board, where you can see my tests and results, but the short version is that with all the networks/peripherals down and doing a machine.deepsleep() the best I've gotten is also around the 0.5mA mark. This is a total guess, but it looks very similar to doing a deepsleep() rather than actually "pulling the plug" as that shield seems to allow for.

@jmarcelino I'm getting the following error: Traceback (most recent call last): File "main.py", line 13, in <module> AttributeError: 'RTC' object has no attribute 'irq' MicroPython v1.8.6-849-83e2f7f on 2018-03-19; FiPy with ESP32 Type "help()" for more information.