1# JS API Changes of the Power Management Subsystem 2 3The table below lists the APIs changes of the power management subsystem in OpenHarmony 3.2 Beta1 over OpenHarmony 3.1 Release. 4 5## API Changes 6 7| Module| Class| Method/Attribute/Enumeration/Constant| Change Type| 8|---|---|---|---| 9| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_TECHNOLOGY | Added| 10| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_PRESENT | Added| 11| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_CHARGE_COUNTER | Added| 12| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_CHARGE_STATE | Added| 13| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_MAX_VOLTAGE | Added| 14| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_MAX_CURRENT | Added| 15| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_PLUGGED_TYPE | Added| 16| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_HEALTH_STATE | Added| 17| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_TEMPERATURE | Added| 18| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_VOLTAGE | Added| 19| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_SOC = 0 | Added| 20| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_CRITICAL | Added| 21| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_LOW | Added| 22| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_NORMAL | Added| 23| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_HIGH | Added| 24| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_FULL | Added| 25| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_NONE | Added| 26| ohos.batteryinfo | batteryInfo | const remainingEnergy: number; | Added| 27| ohos.batteryinfo | batteryInfo | const nowCurrent: number; | Added| 28| ohos.batteryinfo | batteryInfo | const totalEnergy: number; | Added| 29| ohos.batteryinfo | batteryInfo | const estimatedRemainingChargeTime: number; | Added| 30| ohos.batteryinfo | batteryInfo | const batteryCapacityLevel: BatteryCapacityLevel; | Added| 31| ohos.power | DevicePowerMode | MODE_EXTREME_POWER_SAVE | Added| 32| ohos.power | DevicePowerMode | MODE_PERFORMANCE | Added| 33| ohos.power | DevicePowerMode | MODE_POWER_SAVE | Added| 34| ohos.power | DevicePowerMode | MODE_NORMAL = 600 | Added| 35| ohos.power | power | setPowerMode(mode: DevicePowerMode, callback: AsyncCallback\<void>): void;<br>setPowerMode(mode: DevicePowerMode): Promise\<void>; | Added| 36| ohos.power | power | getPowerMode(callback: AsyncCallback\<DevicePowerMode>): void;<br>getPowerMode(): Promise\<DevicePowerMode>; | Added| 37| ohos.power | power | suspendDevice(): void; | Added| 38| ohos.power | power | wakeupDevice(detail: string): void; | Added| 39