diff --git a/app.py b/app.py
index 3c6246c..9f13ee1 100644
--- a/app.py
+++ b/app.py
@@ -95,7 +95,7 @@ def create_app(config_object="config"):
                 and b.tested_capacity_mah < 0.8 * b.capacity_mah
             ],
             "low_pct": [
-                b for b in batteries
+                b for b in active
                 if b.battery_percentage is not None and b.battery_percentage < 20
             ] if ha_client.enabled else [],
         }
diff --git a/templates/dashboard.html b/templates/dashboard.html
index f909a8d..17631eb 100644
--- a/templates/dashboard.html
+++ b/templates/dashboard.html
@@ -27,7 +27,7 @@
     <div class="text-muted">Retired</div>
   </div>
   {% if ha_enabled %}
-  {% set low_pct = batteries | selectattr('battery_percentage', 'ne', none) | selectattr('battery_percentage', 'lt', 20) | list %}
+  {% set low_pct = batteries | rejectattr('status', 'equalto', 'retired') | selectattr('battery_percentage', 'ne', none) | selectattr('battery_percentage', 'lt', 20) | list %}
   {% if low_pct %}
   <a href="#needs-attention"
      onclick="var d=document.getElementById('needs-attention');d.open=true;"
@@ -248,7 +248,7 @@
             <td data-label="Bat %" class="col-ha-pct" style="display:none;"
                 data-sort-col="ha-pct" data-sort="{{ b.battery_percentage if b.battery_percentage is not none else '' }}">
               {% if b.battery_percentage is not none %}
-                {% if b.battery_percentage < 20 %}
+                {% if b.battery_percentage < 20 and b.status != 'retired' %}
                   <span class="badge badge-warning" title="Low — consider replacing">⚠ {{ b.battery_percentage }}%</span>
                 {% else %}{{ b.battery_percentage }}%{% endif %}
               {% else %}—{% endif %}
diff --git a/tests/test_ha_integration.py b/tests/test_ha_integration.py
index 2c639f2..f5bfa14 100644
--- a/tests/test_ha_integration.py
+++ b/tests/test_ha_integration.py
@@ -302,6 +302,46 @@ def test_dashboard_no_warning_for_high_percentage(ha_app, ha_client_f):
     assert b"col-ha-pct" in resp.data  # column rendered
 
 
+def test_retired_battery_excluded_from_low_pct_warning(ha_app, ha_client_f):
+    ha_client_f.post("/battery/add", data={"brand": "X", "count": "1"})
+
+    from sqlalchemy import create_engine
+    from sqlalchemy.orm import sessionmaker
+    from models import Battery
+    engine = create_engine(ha_app.config["SQLALCHEMY_DATABASE_URI"])
+    s = sessionmaker(bind=engine)()
+    b = s.get(Battery, 1)
+    b.battery_percentage = 15
+    s.commit()
+    s.close()
+
+    ha_client_f.post("/battery/1/retire")
+
+    resp = ha_client_f.get("/")
+    assert b"consider replacing" not in resp.data  # no ⚠ badge in table
+    assert b"Low Battery" not in resp.data          # no summary card
+
+
+def test_retired_battery_excluded_from_needs_attention_section(ha_app, ha_client_f):
+    ha_client_f.post("/battery/add", data={"brand": "LowCap", "count": "1"})
+
+    from sqlalchemy import create_engine
+    from sqlalchemy.orm import sessionmaker
+    from models import Battery
+    engine = create_engine(ha_app.config["SQLALCHEMY_DATABASE_URI"])
+    s = sessionmaker(bind=engine)()
+    b = s.get(Battery, 1)
+    b.capacity_mah = 2000
+    b.tested_capacity_mah = 1500  # 75% — below 80% threshold
+    s.commit()
+    s.close()
+
+    ha_client_f.post("/battery/1/retire")
+
+    resp = ha_client_f.get("/")
+    assert b"needs-attention" not in resp.data
+
+
 def test_device_detail_shows_ha_field(ha_client_f):
     ha_client_f.post("/device/add", data={"name": "Dev E", "battery_slots": "1"})
     resp = ha_client_f.get("/device/1")