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[Edwin_D]

I use this:

Low battery level detection & notification for all battery sensors

Github Gist: https://gist.github.com/sbyx/1f6f434f0903b872b84c4302637d0890 Explanation This is a different take on the whole low battery-level detection use case. Instead of manually listing one or more sensors this blueprint checks all sensors that have the attribute device_class set to ‘battery’ for either crossing below a threshold or being ‘on’ (low-battery binary sensors with class ‘battery’). This means whenever a sensor entity with device_class battery is added to HA it is automatically …