I can't work this out, sorry :(

[doubledrat]

I've added your code as described to a dashboard, but none of the battery information shows.

It shows up in my overview though. Any idea what I'm doing wrong?

The config showed up, but nothing else -

[doubledrat]

would these errors stop things working?

Error in 'condition' evaluation: In 'template' condition: ValueError: Template error: int got invalid input 'full' when rendering template '{% macro battery_level() %} {% for entity_id in states.group.battery_status.attributes.entity_id if ( not ( is_state_attr(entity_id, 'battery_alert_disabled', true) or is_state_attr(entity_id, 'restored', true) ) and states(entity_id) is not none and ( ( ( states(entity_id) is number or states(entity_id) | length == states(entity_id)| int | string | length or states(entity_id) | length == states(entity_id)| float | string | length ) and states(entity_id) | int < states.input_number.battery_alert_threshold_max.state | int and states(entity_id) | int > states.input_number.battery_alert_threshold_min.state | int ) or states(entity_id) | lower == 'low' or states(entity_id) | lower == 'unknown' or states(entity_id) | lower == 'unavailable' ) ) -%} {{ state_attr(entity_id, "friendly_name") }} ({{ states(entity_id) }}) {% endfor -%} {% endmacro %} {{ battery_level() | trim == "" }}' but no default was specified
Error in 'condition' evaluation: In 'template' condition: ValueError: Template error: int got invalid input 'full' when rendering template '{% macro battery_level() %} {% for entity_id in states.group.battery_status.attributes.entity_id if ( not ( is_state_attr(entity_id, 'battery_alert_disabled', true) or is_state_attr(entity_id, 'restored', true) ) and states(entity_id) is not none and ( ( ( states(entity_id) is number or states(entity_id) | length == states(entity_id)| int | string | length or states(entity_id) | length == states(entity_id)| float | string | length ) and states(entity_id) | int < states.input_number.battery_alert_threshold_max.state | int and states(entity_id) | int > states.input_number.battery_alert_threshold_min.state | int ) or states(entity_id) | lower == 'low' or states(entity_id) | lower == 'unknown' or states(entity_id) | lower == 'unavailable' ) ) -%} {{ state_attr(entity_id, "friendly_name") }} ({{ states(entity_id) }}) {% endfor -%} {% endmacro %} {{ battery_level() | trim != "" }}' but no default was specified
Error in 'condition' evaluation: In 'template' condition: ValueError: Template error: int got invalid input 'discharging' when rendering template '{% macro battery_level() %} {% for entity_id in states.group.battery_status.attributes.entity_id if ( not ( is_state_attr(entity_id, 'battery_alert_disabled', true) or is_state_attr(entity_id, 'restored', true) ) and states(entity_id) is not none and ( ( ( states(entity_id) is number or states(entity_id) | length == states(entity_id)| int | string | length or states(entity_id) | length == states(entity_id)| float | string | length ) and states(entity_id) | int < states.input_number.battery_alert_threshold_max.state | int and states(entity_id) | int > states.input_number.battery_alert_threshold_min.state | int ) or states(entity_id) | lower == 'low' or states(entity_id) | lower == 'unknown' or states(entity_id) | lower == 'unavailable' ) ) -%} {{ state_attr(entity_id, "friendly_name") }} ({{ states(entity_id) }}) {% endfor -%} {% endmacro %} {{ battery_level() | trim != "" }}' but no default was specified
Error in 'condition' evaluation: In 'template' condition: ValueError: Template error: int got invalid input 'discharging' when rendering template '{% macro battery_level() %} {% for entity_id in states.group.battery_status.attributes.entity_id if ( not ( is_state_attr(entity_id, 'battery_alert_disabled', true) or is_state_attr(entity_id, 'restored', true) ) and states(entity_id) is not none and ( ( ( states(entity_id) is number or states(entity_id) | length == states(entity_id)| int | string | length or states(entity_id) | length == states(entity_id)| float | string | length ) and states(entity_id) | int < states.input_number.battery_alert_threshold_max.state | int and states(entity_id) | int > states.input_number.battery_alert_threshold_min.state | int ) or states(entity_id) | lower == 'low' or states(entity_id) | lower == 'unknown' or states(entity_id) | lower == 'unavailable' ) ) -%} {{ state_attr(entity_id, "friendly_name") }} ({{ states(entity_id) }}) {% endfor -%} {% endmacro %} {{ battery_level() | trim == "" }}' but no default was specified