SYSTEM_POWER_STATUS_EX (Windows CE 5.0)

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

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 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 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 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

OS Versions: Windows CE 1.0 and later.
Header: Winbase.h.

See Also

IOCTL_BATTERY_GETSYSTEMPOWERSTATUSEX | CeGetSystemPowerStatusEx (RAPI) | GetSystemPowerStatusEx | System Information Structures

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