Untitled

    slaba_bateria:
      unique_id: d7c2ef1c-c1b6-425c-9ae1-8cdd68d00549
      friendly_name: "Počet slabých baterií"
      value_template: >-
        {{ states.sensor
          | selectattr('attributes.device_class', 'defined')
          | selectattr('attributes.device_class', 'eq', 'battery')
          | map(attribute='state')
          | reject('in', ['unknown', 'unavailable'])
          | map('int', -1) | select('le', 35)
          | select('ge', 0)
          | list | count
        }}