Moved more to packages

packages/low_battery_device_quantity.yaml

@@ -0,0 +1,20 @@
+sensor:
+  - platform: template
+    sensors:
+      devices_with_low_battery:
+        friendly_name: "Devices with low battery"
+        unit_of_measurement: devices
+        value_template: >-
+          {{ states.sensor
+            | selectattr('attributes.device_class', 'eq', 'battery')
+            | map(attribute='state')
+            | reject('in', ['unknown', 'unavailable', 'Ok'])
+            | map('int', -1) | select('le', 97)
+            | list | count
+          }}
+        icon_template: >-
+          {% if is_state('sensor.devices_with_low_battery', '0') %}
+            mdi:check-circle
+          {% else %}
+            mdi:battery-alert
+          {% endif %}