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SYSTEM_POWER_STATUS_EX (Compact 2013)

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3/28/2014

This structure contains information about the power status of the system.

Syntax

typedef struct _SYSTEM_POWER_STATUS_EX {
  BYTE ACLineStatus;
  BYTE  BatteryFlag;
  BYTE BatteryLifePercent;
  BYTE Reserved1;
  DWORD BatteryLifeTime;
  DWORD BatteryFullLifeTime;
  BYTE Reserved2;
  BYTE BackupBatteryFlag;
  BYTE BackupBatteryLifePercent;
  BYTE Reserved3;
  DWORD BackupBatteryLifeTime;
  DWORD BackupBatteryFullLifeTime;
} SYSTEM_POWER_STATUS_EX, *PSYSTEM_POWER_STATUS_EX,
*LPSYSTEM_POWER_STATUS_EX;

Members

  • ACLineStatus
    AC power status. It is one of the following values.

    Value

    Description

    AC_LINE_OFFLINE

    Offline

    AC_LINE_ONLINE

    Online

    AC_LINE_BACKUP_POWER

    Backup Power

    AC_LINE_UNKNOWN

    Unknown status

    All other values are reserved.

  • BatteryFlag
    Battery charge status. It can be a combination of the following values:

    Value

    Description

    BATTERY_FLAG_HIGH

    High

    BATTERY_FLAG_LOW

    Low

    BATTERY_FLAG_CRITICAL

    Critical

    BATTERY_FLAG_CHARGING

    Charging

    BATTERY_FLAG_NO_BATTERY

    No system battery

    BATTERY_FLAG_UNKNOWN

    Unknown status
  • BatteryLifePercent
    Percentage of full battery charge remaining. This member can be a value in the range 0 to 100, or BATTERY_FLAG_UNKNOWN if status is unknown. All other values are reserved.
  • Reserved1
    Reserved; set to 0 (zero).
  • BatteryLifeTime
    Number of seconds of battery life remaining, or BATTERY_FLAG_UNKNOWN if remaining seconds are unknown.
  • BatteryFullLifeTime
    Number of seconds of battery life when at full charge, or BATTERY_FLAG_UNKNOWN if full lifetime is unknown.
  • Reserved2
    Reserved; set to 0 (zero).

  • BackupBatteryFlag
    Backup battery charge status. It can be a combination of the following values:

    • BATTERY_FLAG_HIGH
    • BATTERY_FLAG_CRITICAL
    • BATTERY_FLAG_CHARGING
    • BATTERY_FLAG_NO_BATTERY
    • BATTERY_FLAG_UNKNOWN
    • BATTERY_FLAG_LOW
  • BackupBatteryLifePercent
    Percentage of full backup battery charge remaining. Must be in the range 0 to 100, or BATTERY_PERCENTAGE_UNKNOWN.
  • Reserved3
    Reserved; set to 0 (zero).
  • BackupBatteryLifeTime
    Number of seconds of backup battery life remaining, or BATTERY_LIFE_UNKNOWN if remaining seconds are unknown.
  • BackupBatteryFullLifeTime
    Number of seconds of backup battery life when at full charge, or BATTERY_LIFE_UNKNOWN if full lifetime is unknown.

Remarks

Returning BATTERY_FLAG_NO_BATTERY can cause a low power battery alert to appear. If no backup battery is present, the low power alert can be avoided by returning BATTERY_FLAG_UNKNOWN.

Requirements

Header

winbase.h

See Also

Reference

System Information Structures
GetSystemPowerStatusEx

Other Resources

IOCTL_BATTERY_GETSYSTEMPOWERSTATUSEX