ansible-home-assistant/templates/low-battery.yaml.j2

- id: info_low_battery
  alias: '[INFO] Low battery'
  mode: single
  trigger:
    - platform: numeric_state
      below: 15
      for:
        hours: 0
        minutes: 1
        seconds: 0
      entity_id:
{% for entity in entities %}
        - {{ entity }}
{% endfor %}
    - platform: numeric_state
      below: 10
      for:
        hours: 0
        minutes: 1
        seconds: 0
      entity_id:
{% for entity in entities %}
        - {{ entity }}
{% endfor %}
  action:
    - service: notify.mobile_app_iphone
      data:
        title: "Low battery"
        message: >
          {% raw %}{{ device_attr(trigger.entity_id, 'name_by_user') }} has low battery {{ states(trigger.entity_id) }}% {% endraw %}