diff --git a/src/drivers/cyphal/Subscribers/legacy/LegacyBatteryInfo.hpp b/src/drivers/cyphal/Subscribers/legacy/LegacyBatteryInfo.hpp
index 0e15b8f91e..e0ea2d0aff 100644
--- a/src/drivers/cyphal/Subscribers/legacy/LegacyBatteryInfo.hpp
+++ b/src/drivers/cyphal/Subscribers/legacy/LegacyBatteryInfo.hpp
@@ -94,7 +94,6 @@ public:
 		bat_status.connected = bat_info.status_flags & legacy_equipment_power_BatteryInfo_1_0_STATUS_FLAG_IN_USE;
 		bat_status.source = 1; // External
 		bat_status.capacity = bat_info.full_charge_capacity_wh;
-		bat_status.serial_number = bat_info.model_instance_id & 0xFFFF; // Take first 16 bits
 		bat_status.state_of_health = bat_info.state_of_health_pct; // External
 		bat_status.id = bat_info.battery_id;
 
@@ -118,9 +117,17 @@ public:
 
 		_battery_status_pub.publish(bat_status);
 		print_message(ORB_ID(battery_status), bat_status);
+
+		battery_info_s battery_info{};
+		battery_info.timestamp = bat_status.timestamp;
+		battery_info.id = bat_status.id;
+		snprintf(battery_info.serial_number, sizeof(battery_info.serial_number), "%" PRIu32,
+			 bat_info.model_instance_id);
+		_battery_info_pub.publish(battery_info);
 	};
 
 private:
+	uORB::PublicationMulti<battery_info_s> _battery_info_pub{ORB_ID(battery_info)};
 	uORB::PublicationMulti<battery_status_s> _battery_status_pub{ORB_ID(battery_status)};
 
 };
diff --git a/src/drivers/cyphal/Subscribers/udral/Battery.hpp b/src/drivers/cyphal/Subscribers/udral/Battery.hpp
index 0a8a6c798e..310bc97663 100644
--- a/src/drivers/cyphal/Subscribers/udral/Battery.hpp
+++ b/src/drivers/cyphal/Subscribers/udral/Battery.hpp
@@ -41,6 +41,7 @@
 
 #pragma once
 
+#include <uORB/topics/battery_info.h>
 #include <uORB/topics/battery_status.h>
 #include <uORB/PublicationMulti.hpp>
 
@@ -120,6 +121,10 @@ public:
 			// TODO uORB publication rate limiting
 			_battery_status_pub.publish(bat_status);
 
+			_battery_info.timestamp = bat_status.timestamp;
+			_battery_info.id = bat_status.id;
+			_battery_info_pub.publish(_battery_info);
+
 		} else if (receive.metadata.port_id == _status_sub._canard_sub.port_id) {
 			reg_udral_service_battery_Status_0_2 bat {};
 			size_t bat_size_in_bytes = receive.payload_size;
@@ -163,7 +168,7 @@ public:
 
 			bat_status.capacity = parameters.design_capacity.coulomb / 3.6f; // Coulomb -> mAh
 			bat_status.cycle_count = parameters.cycle_count;
-			bat_status.serial_number = parameters.unique_id & 0xFFFF;
+			snprintf(_battery_info.serial_number, sizeof(_battery_info.serial_number), "%" PRIu64, parameters.unique_id);
 			bat_status.state_of_health = parameters.state_of_health_pct;
 			bat_status.max_error = 1; // UAVCAN didn't spec'ed this, but we're optimistic
 			bat_status.id = 0; //TODO instancing
@@ -174,6 +179,7 @@ public:
 private:
 	float _nominal_voltage = NAN;
 
+	uORB::PublicationMulti<battery_info_s> _battery_info_pub{ORB_ID(battery_info)};
 	uORB::PublicationMulti<battery_status_s> _battery_status_pub{ORB_ID(battery_status)};
 
 	SubjectSubscription _status_sub;
@@ -182,5 +188,6 @@ private:
 	const char *_status_name = "battery_status";
 	const char *_parameters_name = "battery_parameters";
 
+	battery_info_s _battery_info{};
 	battery_status_s bat_status {0};
 };