I posted this on Reddit:
Prolong usage of 18650s in uConsole.
I don’t know if this is coincidental, but both sets I have are reading as an error after I left them in the uConsole. Days maybe? I mean… I guess they drain from something, cause the uConsole wasn’t on for them to drain. The first pair (yellow - imr mxjo 2500mah 35a) was a set I had for a while. So I didn’t think anything of it. Then I bought new ones (green - Sony imr 2500mah 25a) and did the same thing. I’m not too fully sure why this happened. Weird.
Can anyone help me answer this?
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https://forums.raspberrypi.com/viewtopic.php?p=2000782#p2000782
https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#typical-power-requirements
The gives the Pi4B halt current consumption as 23mA (equivalent to a power consumption of 115mW). I would expect the Pi400 to be similar.
When you shutdown raspberry pi it doesn’t fully power off, but goes to ‘halt mode’ in which it still consumes a bit of current.
but it should take a while before it will drain your batteries dry.
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I agree about time taken to drain the batteries, well unless the batteries aren not good ones. I haven’t used mine for 2 weeks, and the charge only went down by 1% (from 100% to 99%).
I mean, they’re good batteries. And one set is new. And the unconsole not only drained it, it made them unresponsive to my charger
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