battery_alert

blueprint:
  name: Battery Level Notification
  description: Send a notification to a device when battery drops below a specified value
  source_url: https://github.com/pepsonEL/HAblueprints/blob/main/battery_alert
  domain: automation
  input:
    battery_entity:
      name: Entity
      selector:
        entity:
          domain: sensor
          device_class: battery
    battery_level:
      name: Battery level
      description: What level the device should be to trigger the notification.
      default: 50
      selector:
        number:
          min: 1.0
          max: 100.0
          unit_of_measurement: '%'
          step: 1.0
          mode: slider
    notify_device:
      name: Device to notify
      description: Device needs to run the official Home Assistant app to receive
        notifications.
      selector:
        device:
          integration: mobile_app
    message:
      name: Message
      description: 'Default: " {{ entity_name }} battery has dropped to {{ battery_level
        }}% "'
      default: ' {{ entity_name }} battery has dropped to {{ battery_level }}% '
trigger:
- platform: numeric_state
  entity_id: !input 'battery_entity'
  below: !input 'battery_level'
variables:
  entity_name: '{{ states[trigger.entity_id].name }}'
  battery_level: '{{ states(trigger.entity_id) }}'
action:
- choose:
  - conditions:
    - condition: numeric_state
      entity_id: !input 'battery_entity'
      below: !input 'battery_level'
    sequence:
      domain: mobile_app
      type: notify
      device_id: !input 'notify_device'
      message: !input 'message'