1e41f4b71Sopenharmony_ci# JS API Changes of the Power Management Subsystem 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ciThe table below lists the APIs changes of the power management subsystem in OpenHarmony 3.2 Beta1 over OpenHarmony 3.1 Release. 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ci## API Changes 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ci| Module| Class| Method/Attribute/Enumeration/Constant| Change Type| 8e41f4b71Sopenharmony_ci|---|---|---|---| 9e41f4b71Sopenharmony_ci| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_TECHNOLOGY | Added| 10e41f4b71Sopenharmony_ci| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_PRESENT | Added| 11e41f4b71Sopenharmony_ci| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_CHARGE_COUNTER | Added| 12e41f4b71Sopenharmony_ci| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_CHARGE_STATE | Added| 13e41f4b71Sopenharmony_ci| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_MAX_VOLTAGE | Added| 14e41f4b71Sopenharmony_ci| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_MAX_CURRENT | Added| 15e41f4b71Sopenharmony_ci| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_PLUGGED_TYPE | Added| 16e41f4b71Sopenharmony_ci| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_HEALTH_STATE | Added| 17e41f4b71Sopenharmony_ci| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_TEMPERATURE | Added| 18e41f4b71Sopenharmony_ci| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_VOLTAGE | Added| 19e41f4b71Sopenharmony_ci| ohos.batteryinfo | CommonEventBatteryChangedCode | EXTRA_SOC = 0 | Added| 20e41f4b71Sopenharmony_ci| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_CRITICAL | Added| 21e41f4b71Sopenharmony_ci| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_LOW | Added| 22e41f4b71Sopenharmony_ci| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_NORMAL | Added| 23e41f4b71Sopenharmony_ci| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_HIGH | Added| 24e41f4b71Sopenharmony_ci| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_FULL | Added| 25e41f4b71Sopenharmony_ci| ohos.batteryinfo | BatteryCapacityLevel | LEVEL_NONE | Added| 26e41f4b71Sopenharmony_ci| ohos.batteryinfo | batteryInfo | const remainingEnergy: number; | Added| 27e41f4b71Sopenharmony_ci| ohos.batteryinfo | batteryInfo | const nowCurrent: number; | Added| 28e41f4b71Sopenharmony_ci| ohos.batteryinfo | batteryInfo | const totalEnergy: number; | Added| 29e41f4b71Sopenharmony_ci| ohos.batteryinfo | batteryInfo | const estimatedRemainingChargeTime: number; | Added| 30e41f4b71Sopenharmony_ci| ohos.batteryinfo | batteryInfo | const batteryCapacityLevel: BatteryCapacityLevel; | Added| 31e41f4b71Sopenharmony_ci| ohos.power | DevicePowerMode | MODE_EXTREME_POWER_SAVE | Added| 32e41f4b71Sopenharmony_ci| ohos.power | DevicePowerMode | MODE_PERFORMANCE | Added| 33e41f4b71Sopenharmony_ci| ohos.power | DevicePowerMode | MODE_POWER_SAVE | Added| 34e41f4b71Sopenharmony_ci| ohos.power | DevicePowerMode | MODE_NORMAL = 600 | Added| 35e41f4b71Sopenharmony_ci| ohos.power | power | setPowerMode(mode: DevicePowerMode, callback: AsyncCallback\<void>): void;<br>setPowerMode(mode: DevicePowerMode): Promise\<void>; | Added| 36e41f4b71Sopenharmony_ci| ohos.power | power | getPowerMode(callback: AsyncCallback\<DevicePowerMode>): void;<br>getPowerMode(): Promise\<DevicePowerMode>; | Added| 37e41f4b71Sopenharmony_ci| ohos.power | power | suspendDevice(): void; | Added| 38e41f4b71Sopenharmony_ci| ohos.power | power | wakeupDevice(detail: string): void; | Added| 39