diff --git a/api/@ohos.arkui.stateManagement.static.d.ets b/api/@ohos.arkui.stateManagement.static.d.ets
index 4f8e84173bb4dfc78d7b79441a86a0b14a756fd6..27c252dff69ceda35b385f02c1c72d93de9ee2dc 100644
--- a/api/@ohos.arkui.stateManagement.static.d.ets
+++ b/api/@ohos.arkui.stateManagement.static.d.ets
@@ -24,8 +24,10 @@ export * from './arkui/stateManagement/decorator';
 export * from './arkui/stateManagement/remember';
 export * from './arkui/stateManagement/runtime';
 export * from './arkui/stateManagement/storage/appStorage';
+export * from './arkui/stateManagement/storage/appStorageV2';
 export * from './arkui/stateManagement/storage/environment';
 export * from './arkui/stateManagement/storage/localStorage';
+export * from './arkui/stateManagement/storage/persistenceV2';
 export * from './arkui/stateManagement/storage/persistentStorage';
 export * from './arkui/stateManagement/storage/storageProperty';
 export * from './arkui/stateManagement/utils';
\ No newline at end of file
diff --git a/api/arkui/stateManagement/storage/appStorageV2.static.d.ets b/api/arkui/stateManagement/storage/appStorageV2.static.d.ets
new file mode 100644
index 0000000000000000000000000000000000000000..0c0abf11b65256bbd8f776986dd3c07c77becd19
--- /dev/null
+++ b/api/arkui/stateManagement/storage/appStorageV2.static.d.ets
@@ -0,0 +1,88 @@
+'use static'
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file
+ * @kit ArkUI
+ * @arkts 1.2
+ */
+
+import { StorageDefaultCreator } from './persistenceV2';
+
+/**
+ * AppStorageV2 is for UI state of app-wide access, has same life cycle as the app,
+ * and saves database content only in memory.
+ *
+ * @syscap SystemCapability.ArkUI.ArkUI.Full
+ * @since 20
+ */
+export declare class AppStorageV2 {
+  /**
+   * If used by persistenceV2, module-level storage path, different modules will have their own storage paths.
+   * If the value for the given key is already available, return the value.
+   * If not, add the key with value generated by calling defaultFunc and return it to caller.
+   *
+   * @param { Type } ttype class type of the stored value.
+   * @param { string } key alias name of the key
+   * @param { StorageDefaultCreator<T> } [defaultCreator] the function generating the default value
+   * @returns { T | undefined } the value of the existed key or the default value
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static connect<T extends object>(
+      ttype: Type,
+      key: string,
+      defaultCreator?: StorageDefaultCreator<T>
+  ): T | undefined;
+
+  /**
+   * If used by persistenceV2, module-level storage path, different modules will have their own storage paths.
+   * If the value for the given key is already available, return the value.
+   * If not, add the key with value generated by calling defaultFunc and return it to caller.
+   *
+   * @param { Type } ttype class type of the stored value.
+   * @param { StorageDefaultCreator<T> } [defaultCreator] the function generating the default value
+   * @returns { T | undefined } the value of the existed key or the default value
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static connect<T extends object>(
+    ttype: Type,
+    defaultCreator?: StorageDefaultCreator<T>
+  ): T | undefined;
+
+  /**
+   * Removes data with the given key or given class type.
+   *
+   * @param { string | Type } keyOrType key or class type removing
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static remove(keyOrType: string | Type): void;
+
+  /**
+   * Return the array of all keys.
+   *
+   * @returns { Array<string> } the array of all keys
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static keys(): Array<string>;
+}
\ No newline at end of file
diff --git a/api/arkui/stateManagement/storage/persistenceV2.static.d.ets b/api/arkui/stateManagement/storage/persistenceV2.static.d.ets
new file mode 100644
index 0000000000000000000000000000000000000000..505235edf662d032c3ca2a906dae7a2e8d404125
--- /dev/null
+++ b/api/arkui/stateManagement/storage/persistenceV2.static.d.ets
@@ -0,0 +1,257 @@
+'use static'
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file
+ * @kit ArkUI
+ * @arkts 1.2
+ */
+
+import { ToJSONType, FromJSONType } from './persistentStorage';
+import contextConstant from '@ohos.app.ability.contextConstant';
+
+/**
+ * Function that returns default creator.
+ *
+ * @typedef { function } StorageDefaultCreator<T>
+ * @returns { T } default creator
+ * @syscap SystemCapability.ArkUI.ArkUI.Full
+ * @since 20
+ */
+export declare type StorageDefaultCreator<T> = () => T;
+
+/**
+ * Define ConnectOptions class.
+ * @typedef ConnectOptions
+ * @syscap SystemCapability.ArkUI.ArkUI.Full
+ * @since 20
+ */
+export declare interface ConnectOptions<T extends object> {
+
+  /**
+   * Define class constructor
+   * @type { Type } type class type of the stored value.
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  type: Type;
+
+  /**
+   * Defines alias name of the key, or the function generating the default value.
+   * @type { ?string }
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  key?: string;
+
+  /**
+   * Define the function generating the default value.
+   * @type { ?StorageDefaultCreator<T>}
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  defaultCreator?: StorageDefaultCreator<T>;
+
+  /**
+   * Define encrypted partition for data storage.
+   * if not passed in, the defaule value is El2
+   *
+   * @type { ?contextConstant.AreaMode}
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  areaMode?: contextConstant.AreaMode;
+}
+
+/**
+ * Function that returns reason type when error.
+ *
+ * @typedef { function } PersistenceErrorCallback
+ * @param { string } key persisted key when error
+ * @param { 'quota' | 'serialization' | 'unknown' } reason reason type when error
+ * @param { string } message more message when error
+ * @syscap SystemCapability.ArkUI.ArkUI.Full
+ * @since 20
+ */
+export declare type PersistenceErrorCallback = (key: string, reason: 'quota' | 'serialization' | 'unknown', message: string) => void;
+
+/**
+ * Defines Serializable object
+ *
+ * @extends jsonx.JsonElementSerializable, jsonx.JsonElementDeserializable
+ * @interface SerializableObject
+ * @syscap SystemCapability.ArkUI.ArkUI.Full
+ * @since 20
+ */
+export interface SerializableObject extends jsonx.JsonElementSerializable, jsonx.JsonElementDeserializable {}
+
+/**
+ * PersistenceV2 is for UI state of app-wide access, available on app re-start,
+ * and saves database content in disk.
+ *
+ * @syscap SystemCapability.ArkUI.ArkUI.Full
+ * @since 20
+ */
+export declare class PersistenceV2 {
+  /**
+   * If used by persistenceV2, module-level storage path, different modules will have their own storage paths.
+   * If the value for the given key is already available, return the value.
+   * If not, add the key with value generated by calling defaultFunc and return it to caller.
+   *
+   * @param { Type } ttype class type of the stored value.
+   * @param { ToJSONType<T> } toJson to Json function.
+   * @param { FromJSONType<T> } fromJson serializable function.
+   * @param { StorageDefaultCreator<T> } [defaultCreator] the function generating the default value
+   * @returns { T | undefined } the value of the existed key or the default value
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static connect<T extends object>(
+    ttype: Type,
+    toJson: ToJSONType<T>, 
+    fromJson: FromJSONType<T>,
+    defaultCreator?: StorageDefaultCreator<T>
+  ): T | undefined;
+
+  /**
+   * If used by persistenceV2, module-level storage path, different modules will have their own storage paths.
+   * If the value for the given key is already available, return the value.
+   * If not, add the key with value generated by calling defaultFunc and return it to caller.
+   *
+   * @param { Type } ttype class type of the stored value.
+   * @param { string } key - alias name of the key.
+   * @param { ToJSONType<T> } toJson to Json function.
+   * @param { FromJSONType<T> } fromJson serializable function.
+   * @param { StorageDefaultCreator<T> } [defaultCreator] the function generating the default value
+   * @returns { T | undefined } the value of the existed key or the default value
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static connect<T extends object>(
+    ttype: Type,
+    key: string,
+    toJson: ToJSONType<T>, 
+    fromJson: FromJSONType<T>,
+    defaultCreator?: StorageDefaultCreator<T>
+  ): T | undefined;
+
+  /**
+   * If used by persistenceV2, module-level storage path, different modules will have their own storage paths.
+   * If the value for the given key is already available, return the value.
+   * If not, add the key with value generated by calling defaultFunc and return it to caller.
+   *
+   * @param { Type } ttype class type of the stored value.
+   * @param { StorageDefaultCreator<T> } [defaultCreator] the function generating the default value.
+   * @returns { T | undefined } the value of the existed key or the default value
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static connect<T extends SerializableObject>(
+    ttype: Type,
+    defaultCreator?: StorageDefaultCreator<T>
+  ): T | undefined;
+
+  /**
+   * If used by persistenceV2, module-level storage path, different modules will have their own storage paths.
+   * If the value for the given key is already available, return the value.
+   * If not, add the key with value generated by calling defaultFunc and return it to caller.
+   *
+   * @param { Type } ttype class type of the stored value.
+   * @param { string } key - alias name of the key.
+   * @param { StorageDefaultCreator<T> } [defaultCreator] the function generating the default value
+   * @returns { T | undefined } the value of the existed key or the default value
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static connect<T extends SerializableObject>(
+    ttype: Type,
+    key: string,
+    defaultCreator?: StorageDefaultCreator<T>
+  ): T | undefined;
+
+  /**
+   * Application-level storage path, sharing a storage path for all modules under the application.
+   * If the value for the given key is already available, return the value.
+   * If not, add the key with value generated by calling defaultFunc and return it to caller.
+   *
+   * @param { ConnectOptions<T> } connectOptions Application level storage parameters.
+   * @returns { T | undefined } the value of the existed key or the default value
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static globalConnect<T extends SerializableObject>(connectOptions: ConnectOptions<T>): T | undefined;
+
+  /**
+   * Application-level storage path, sharing a storage path for all modules under the application.
+   * If the value for the given key is already available, return the value.
+   * If not, add the key with value generated by calling defaultFunc and return it to caller.
+   *
+   * @param { ConnectOptions<T> } connectOptions Application level storage parameters.
+   * @param { ToJSONType<T> } toJson to Json function.
+   * @param { FromJSONType<T> } fromJson serializable function.
+   * @returns { T | undefined } the value of the existed key or the default value
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static globalConnect<T extends object>(connectOptions: ConnectOptions<T>,
+    toJson: ToJSONType<T>, fromJson: FromJSONType<T>): T | undefined;
+
+  /**
+   * Used to manually persist data changes to disks.
+   *
+   * @param { string | Type } keyOrType key or class type need to persist.
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static save(keyOrType: string | Type): void;
+
+  /**
+   * Be called when persisting has encountered an error.
+   *
+   * @param { PersistenceErrorCallback | undefined } callback called when error
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static notifyOnError(callback: PersistenceErrorCallback | undefined): void;
+
+  /**
+   * Removes data with the given key or given class type.
+   *
+   * @param { string | Type } keyOrType key or class type removing
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static remove(keyOrType: string | Type): void;
+
+  /**
+   * Return the array of all keys.
+   *
+   * @returns { Array<string> } the array of all keys
+   * @static
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 20
+   */
+  static keys(): Array<string>;
+}
\ No newline at end of file