diff --git a/src/main.cpp b/src/main.cpp
index 5fdde31..cb33ffd 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -386,11 +386,31 @@ void publishCoverDiscoveryTopic(const Shade& shade) {
   client.publish("homeassistant/cover/" + objectID + "/config", jsonBuffer);
 }
 
+void publishBatteryDiscoveryTopic(const Shade& shade) {
+  String objectID = String(shade.ID, HEX);
+  String entityID = "battery-" + objectID;
+
+  JsonDocument doc;
+
+  doc["name"] = "Battery";
+  doc["unique_id"] = entityID;
+  doc["availability_topic"] = "hotdog/availability";
+  doc["device_class"] = "battery";
+  doc["state_topic"] = "hotdog/" + shade.name + "/battery";
+  
+  addDeviceObject(doc, shade);
+
+  serializeJson(doc, jsonBuffer);
+  
+  client.publish("homeassistant/sensor/" + objectID + "/config", jsonBuffer);
+}
+
 void publishDiscoveryTopics() {
   for (size_t i = 0; i < shades.size(); i++) {
     Shade shade = shades[i];
     String objectID = String(shade.ID, HEX);
 
     publishCoverDiscoveryTopic(shade);
+    publishBatteryDiscoveryTopic(shade);
   }
 }
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