Battery life of M5StickC when it is powered OFF
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I charged the unit for a long time and then powered it OFF (by long pressing the power button). After a few hours I cannot powered it on again. Looks like it is out of battery.
Is this an unexpected behavior?
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Seems strange that the battery would be draining if it is definitely off. Please see the docs page https://docs.m5stack.com/#/en/core/m5stickc there is a method to switch your stick c back on if the charge is too low by connecting pin g0 to 3v3
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Since the power button is not a real physical switch (but a push button), there are bounded to be current used up. And who knows what UiFlow launcher (I am using version 1.3.2) or the OS is not doing when we long press the power button. :(
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Just to exclude the ESP32, which does draw a tiny amount of power when off, but the spec is:
Power off CHIP_PU is set to low level, the chip is powered off. 0.1 μA load
It wold take some hundreds of hours for that standby current to make a dent in the battery charge
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@lukasmaximus : I agree with @ws1088 . Battery fully charged, long press on power switch to switch off the M5StickC should not drain battery in 5 hours.
I measured a consumption of 1.92 mA when off, which is too high :(
See measurements: http://community.m5stack.com/topic/1162/getting-longer-battery-run-time/5 -
@oliv said in Battery life of M5StickC when it is powered OFF:
@lukasmaximus : I agree with @ws1088 . Battery fully charged, long press on power switch to switch off the M5StickC should not drain battery in 5 hours.
I measured a consumption of 1.92 mA when off, which is too high :(
See measurements: http://community.m5stack.com/topic/1162/getting-longer-battery-run-time/5Today I did something different, I unplug every units from M5StickC and so far it still have battery when I tried to turn it on. After it is on, I turned it off immediately and will report out how long it will last. Sorry, I can only do these unscientific experiment :) I lack the knowledge and equipment to do otherwise.
