Power - SoM + DevBoard Idle:		10 V * 0.071 A = 0.710 W
Power - SoM + DevBoard MemSleep:	10 V * 0.042 A = 0.420 W
Power - SoM Idle:					 4 V * 0.080 A = 0.320 W

Power - SoM MemSleep:		0.320 W - (0.710 W - 0.420 W) = 0.030 W

Power - Modem Sleep:		3.8 V * 0.005 A = 0.019 W

Battery:					15 W*h
Runtime Idle:				15 W*h / (0.350 + 0.019) W ~  41  h = ~ 2 d
Runtime MemSleep:			15 W*h / (0.030 + 0.019) W ~  306 h = ~13 d