Battery Monitoring - Mobile/Tablets based on HA Companion App

batterymonitoring.md

Battery Monitoring

What is this? A simple jinja template that will show battery level for mobile devices only.

There are 2 options:

1. Alert first, then list of device
2. List of device first, then alert

markdown.yaml

type: vertical-stack
cards:
  - type: markdown
    content: >-
      {% set ns = namespace(low_count=0) %}

      {% for state in states.sensor | selectattr('entity_id', 'search',
      'battery_level') %}

      {% if state.state | int < 50 %}{% set ns.low_count = ns.low_count + 1 %}{%
      endif %}{% endfor %}


      {% if ns.low_count > 0 %}<ha-alert alert-type="warning">The device(s)
      below requires attention.<br />Battery is running low:</ha-alert>

      {% else %}<ha-alert alert-type="success">All devices are well
      charged.</ha-alert>{% endif %}

      {% for state in states.sensor | selectattr('entity_id', 'search',
      'battery_level') %}

      {% if state.state | int < 50 %}

      - {{ state.name.split(' Battery')[0] | title }} ({{ state.state }}%)

      Last Updated: {{ relative_time(state.last_updated) }} ago

      {% endif %}{% endfor %}
    title: 🔋 Low Battery
  - type: markdown
    content: >-
      {% set ns = namespace(low_count=0) %}

      {% for state in states.sensor | selectattr('entity_id', 'search',
      'battery_level') -%}

      {% if state.state | int < 50 %}

      {% set ns.low_count = ns.low_count + 1 %}

      - {{ state.name.split(' Battery')[0] | title }} ({{ state.state }}%)

      Last Updated: {{ relative_time(state.last_updated) }} ago{% endif %}

      {% endfor -%}


      {% if ns.low_count > 0 %}<ha-alert alert-type="warning">The device(s)
      above requires attention.<br />Battery is running low!</ha-alert>

      {% else %}<ha-alert alert-type="success">All devices are well
      charged.</ha-alert>{% endif %}
    title: 🔋 Low Battery