Diagnosing battery usage

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  • The battery draw of my bangle.js is weird. It would use 8~9% everyday for a couple days, then suddenly lose all charges in one night. Often I went to sleep with 50~70% battery and wake up with a dead watch.

    Is there a way to log battery percentage overtime? And is it possible to figure out what is drawing the most power at any given time?

  • Yes, there is! There's an app called Power Manager that can help you find out what uses the power: https://banglejs.com/apps/?id=powermanag­er

    And there's a discussion about it being used to try and find causes for power usage here: https://forum.espruino.com/conversations­/385629/#comment16946032

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Diagnosing battery usage

Posted by Avatar for yshui @yshui