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  • Another question ... I'll put it here because it has similar subject.
    I have attached a LFP cell (3.2v nominal voltage), working great for weeks now.
    Now I need to check battery status regularly but I am having trouble with the results.

    When using NRF.getBattery() the result differs everytime in such ranges that make it hard to consider them real. So I have tried checking multiple times and using the average like this (found it somewhere here in a post):

    (analogRead(D3)+analogRead(D3)+analogRea­d(D3)+analogRead(D3)+analogRead(D3)+anal­ogRead(D3)+analogRead(D3)+analogRead(D3)­+analogRead(D3)+analogRead(D3))/10*72
    

    However, this results in values much to high most of the time. What would be the right calculation to get a decent value for LFP cells?
    Any hint is appreciated.

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