diff --git a/src/main/java/org/gridsuite/modification/dto/byfilter/equipmentfield/BatteryField.java b/src/main/java/org/gridsuite/modification/dto/byfilter/equipmentfield/BatteryField.java
index abbdbe18..8095396f 100644
--- a/src/main/java/org/gridsuite/modification/dto/byfilter/equipmentfield/BatteryField.java
+++ b/src/main/java/org/gridsuite/modification/dto/byfilter/equipmentfield/BatteryField.java
@@ -10,6 +10,8 @@
 import com.powsybl.iidm.network.Battery;
 import com.powsybl.iidm.network.extensions.ActivePowerControl;
 import com.powsybl.iidm.network.extensions.ActivePowerControlAdder;
+import com.powsybl.iidm.network.extensions.BatteryShortCircuit;
+import com.powsybl.iidm.network.extensions.BatteryShortCircuitAdder;
 import jakarta.validation.constraints.NotNull;
 import org.gridsuite.modification.dto.AttributeModification;
 import org.gridsuite.modification.dto.OperationType;
@@ -17,6 +19,7 @@
 
 import static org.gridsuite.modification.NetworkModificationException.Type.MODIFY_BATTERY_ERROR;
 import static org.gridsuite.modification.modifications.BatteryModification.*;
+import static org.gridsuite.modification.utils.ModificationUtils.parseDoubleOrNaNIfNull;
 
 /**
  * @author Seddik Yengui <Seddik.yengui at rte-france.com>
@@ -27,10 +30,13 @@ public enum BatteryField {
     MAXIMUM_ACTIVE_POWER,
     ACTIVE_POWER_SET_POINT,
     REACTIVE_POWER_SET_POINT,
-    DROOP;
+    DROOP,
+    TRANSIENT_REACTANCE,
+    STEP_UP_TRANSFORMER_REACTANCE;
 
     public static String getReferenceValue(Battery battery, String batteryField) {
         ActivePowerControl<Battery> activePowerControl = battery.getExtension(ActivePowerControl.class);
+        BatteryShortCircuit batteryShortCircuit = battery.getExtension(BatteryShortCircuit.class);
         BatteryField field = BatteryField.valueOf(batteryField);
         return switch (field) {
             case MINIMUM_ACTIVE_POWER -> String.valueOf(battery.getMinP());
@@ -38,27 +44,28 @@ public static String getReferenceValue(Battery battery, String batteryField) {
             case ACTIVE_POWER_SET_POINT -> String.valueOf(battery.getTargetP());
             case REACTIVE_POWER_SET_POINT -> String.valueOf(battery.getTargetQ());
             case DROOP -> activePowerControl != null ? String.valueOf(activePowerControl.getDroop()) : null;
+            case TRANSIENT_REACTANCE -> batteryShortCircuit != null ? String.valueOf(batteryShortCircuit.getDirectTransX()) : null;
+            case STEP_UP_TRANSFORMER_REACTANCE -> batteryShortCircuit != null ? String.valueOf(batteryShortCircuit.getStepUpTransformerX()) : null;
         };
     }
 
     public static void setNewValue(Battery battery, String batteryField, @NotNull String newValue) {
         BatteryField field = BatteryField.valueOf(batteryField);
         String errorMessage = String.format(ERROR_MESSAGE, battery.getId());
-        final AttributeModification<Double> attributeModification = new AttributeModification<>(Double.parseDouble(newValue), OperationType.SET);
         switch (field) {
             case MINIMUM_ACTIVE_POWER ->
-                    modifyBatteryActiveLimitsAttributes(null, attributeModification, battery, null);
+                    modifyBatteryActiveLimitsAttributes(null, new AttributeModification<>(Double.parseDouble(newValue), OperationType.SET), battery, null);
             case MAXIMUM_ACTIVE_POWER ->
-                    modifyBatteryActiveLimitsAttributes(attributeModification, null, battery, null);
+                    modifyBatteryActiveLimitsAttributes(new AttributeModification<>(Double.parseDouble(newValue), OperationType.SET), null, battery, null);
             case ACTIVE_POWER_SET_POINT -> {
                 ModificationUtils.getInstance().checkActivePowerZeroOrBetweenMinAndMaxActivePower(
-                        attributeModification, null, null, battery.getMinP(),
+                        new AttributeModification<>(Double.parseDouble(newValue), OperationType.SET), null, null, battery.getMinP(),
                         battery.getMaxP(), battery.getTargetP(), MODIFY_BATTERY_ERROR, errorMessage
                 );
-                modifyBatterySetpointsAttributes(attributeModification, null, null, null, battery, null);
+                modifyBatterySetpointsAttributes(new AttributeModification<>(Double.parseDouble(newValue), OperationType.SET), null, null, null, battery, null);
             }
             case REACTIVE_POWER_SET_POINT -> modifyBatterySetpointsAttributes(
-                    null, attributeModification, null, null, battery, null);
+                    null, new AttributeModification<>(Double.parseDouble(newValue), OperationType.SET), null, null, battery, null);
             case DROOP -> {
                 Float droopValue = Float.parseFloat(newValue);
                 ModificationUtils.checkIsPercentage(errorMessage, droopValue, MODIFY_BATTERY_ERROR, "Droop");
@@ -69,6 +76,12 @@ public static void setNewValue(Battery battery, String batteryField, @NotNull St
                         new AttributeModification<>(droopValue, OperationType.SET), null,
                     null, MODIFY_BATTERY_ERROR, errorMessage);
             }
+            case TRANSIENT_REACTANCE -> ModificationUtils.getInstance().modifyShortCircuitExtension(new AttributeModification<>(parseDoubleOrNaNIfNull(newValue), OperationType.SET),
+                    null, battery.getExtension(BatteryShortCircuit.class),
+                    () -> battery.newExtension(BatteryShortCircuitAdder.class), null);
+            case STEP_UP_TRANSFORMER_REACTANCE -> ModificationUtils.getInstance().modifyShortCircuitExtension(null,
+                    new AttributeModification<>(parseDoubleOrNaNIfNull(newValue), OperationType.SET), battery.getExtension(BatteryShortCircuit.class),
+                    () -> battery.newExtension(BatteryShortCircuitAdder.class), null);
         }
     }
 }
diff --git a/src/test/java/org/gridsuite/modification/modifications/byfilter/assignment/BatteryModificationByAssignmentTest.java b/src/test/java/org/gridsuite/modification/modifications/byfilter/assignment/BatteryModificationByAssignmentTest.java
index 544c588b..c8207ab6 100644
--- a/src/test/java/org/gridsuite/modification/modifications/byfilter/assignment/BatteryModificationByAssignmentTest.java
+++ b/src/test/java/org/gridsuite/modification/modifications/byfilter/assignment/BatteryModificationByAssignmentTest.java
@@ -9,6 +9,7 @@
 import com.powsybl.iidm.network.IdentifiableType;
 import com.powsybl.iidm.network.extensions.ActivePowerControl;
 import com.powsybl.iidm.network.extensions.ActivePowerControlAdder;
+import com.powsybl.iidm.network.extensions.BatteryShortCircuit;
 import org.gridsuite.filter.utils.EquipmentType;
 import org.gridsuite.modification.dto.FilterEquipments;
 import org.gridsuite.modification.dto.IdentifiableAttributes;
@@ -23,8 +24,7 @@
 import java.util.UUID;
 
 import static org.gridsuite.modification.utils.NetworkUtil.createBattery;
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.when;
 
@@ -140,8 +140,20 @@ protected List<AssignmentInfos<?>> getAssignmentInfos() {
                 .value(2.)
                 .build();
 
+        DoubleAssignmentInfos assignmentInfos6 = DoubleAssignmentInfos.builder()
+                .filters(List.of(filter4))
+                .editedField(BatteryField.TRANSIENT_REACTANCE.name())
+                .value(3.)
+                .build();
+
+        DoubleAssignmentInfos assignmentInfos7 = DoubleAssignmentInfos.builder()
+                .filters(List.of(filter4))
+                .editedField(BatteryField.STEP_UP_TRANSFORMER_REACTANCE.name())
+                .value(4.)
+                .build();
+
         List<AssignmentInfos<?>> infosList = super.getAssignmentInfos();
-        infosList.addAll(List.of(assignmentInfos1, assignmentInfos2, assignmentInfos3, assignmentInfos4, assignmentInfos5));
+        infosList.addAll(List.of(assignmentInfos1, assignmentInfos2, assignmentInfos3, assignmentInfos4, assignmentInfos5, assignmentInfos6, assignmentInfos7));
 
         return infosList;
     }
@@ -167,6 +179,16 @@ protected void assertAfterNetworkModificationApplication() {
         assertEquals(2, activePowerControl5.getDroop(), 0);
 
         assertEquals(30, getNetwork().getBattery(BATTERY_ID_6).getMinP(), 0);
+
+        assertNotNull(getNetwork().getBattery(BATTERY_ID_5).getExtension(BatteryShortCircuit.class));
+        BatteryShortCircuit batteryShortCircuit5 = getNetwork().getBattery(BATTERY_ID_5).getExtension(BatteryShortCircuit.class);
+        assertEquals(3, batteryShortCircuit5.getDirectTransX());
+        assertEquals(4, batteryShortCircuit5.getStepUpTransformerX());
+
+        assertNotNull(getNetwork().getBattery(BATTERY_ID_1).getExtension(BatteryShortCircuit.class));
+        BatteryShortCircuit batteryShortCircuit1 = getNetwork().getBattery(BATTERY_ID_5).getExtension(BatteryShortCircuit.class);
+        assertEquals(3, batteryShortCircuit1.getDirectTransX());
+        assertEquals(4, batteryShortCircuit1.getStepUpTransformerX());
     }
 
     @Override