diff --git a/custom_components/battery_notes/data/library.json b/custom_components/battery_notes/data/library.json
index 352c95cbc..648b07dd4 100644
--- a/custom_components/battery_notes/data/library.json
+++ b/custom_components/battery_notes/data/library.json
@@ -3822,6 +3822,11 @@
             "manufacturer": "Zooz",
             "model": "ZSE44",
             "battery_type": "CR2450"
+        },
+        {
+            "manufacturer": "Eufy Security",
+            "model": "T8210",
+            "battery_type": "Rechargeable"
         }
     ]
 }
\ No newline at end of file