diff --git a/esphome/components/api/api_connection.cpp b/esphome/components/api/api_connection.cpp
index 320d983d1a..d7dd79e00e 100644
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -1632,6 +1632,10 @@ ProtoWriteBuffer APIConnection::allocate_batch_message_buffer(uint16_t size) {
 }
 
 void APIConnection::process_batch_() {
+  // Ensure PacketInfo remains trivially destructible for our placement new approach
+  static_assert(std::is_trivially_destructible<PacketInfo>::value,
+                "PacketInfo must remain trivially destructible with this placement-new approach");
+
   if (this->deferred_batch_.empty()) {
     this->flags_.batch_scheduled = false;
     return;
diff --git a/esphome/components/api/api_connection.h b/esphome/components/api/api_connection.h
index e7df39f778..b0fd0f59b6 100644
--- a/esphome/components/api/api_connection.h
+++ b/esphome/components/api/api_connection.h
@@ -19,6 +19,8 @@ namespace api {
 // Keepalive timeout in milliseconds
 static constexpr uint32_t KEEPALIVE_TIMEOUT_MS = 60000;
 // Maximum number of entities to process in a single batch during initial state/info sending
+// This was increased from 20 to 24 after removing the unique_id field from entity info messages,
+// which reduced message sizes allowing more entities per batch without exceeding packet limits
 static constexpr size_t MAX_INITIAL_PER_BATCH = 24;
 // Maximum number of packets to process in a single batch (platform-dependent)
 // This limit exists to prevent stack overflow from the PacketInfo array in process_batch_