Low battery warning

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This is a republish of my old de-published work.
This flow sends a high priority notification when your phone's battery level is 25% and below and it(the notification) won't be repeated after your phone is plugged in.

The blocks can be edited anyway you want. Feel free to comment if you found any problem or have a suggestion. Be sure to leave a good rating if you find this helpful.

Changelog:
v2-
• improved flow resulting battery consumption decrement (by a bit)