Battery at 91% ,,, play ringtone
Lithium ion battery chemistry demonstrates extendes life if not stressed to a full 4.2v/cell charge. I have no issues getting through a day on a partial charge (about 91% in this rule) and use this rule to minimize battery oxidation which accelerated at a maximum charge. The trigger level can easily be adjusted to play an alarm sound of choice. Read more about Li-ion battery chemistry at batteryuniversity.com and elsewhere.
Battery Level Trigger |
Play Sound Action |
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