typedef struct _SYSTEM_POWER_STATUS { BYTE ACLineStatus; BYTE BatteryFlag; BYTE BatteryLifePercent; BYTE Reserved1; DWORD BatteryLifeTime; DWORD BatteryFullLifeTime;} SYSTEM_POWER_STATUS, *LPSYSTEM_POWER_STATUS; SYSTEM_POWER_STATUS sysPower = {0}; GetSystemPowerStatus(&sysPower);

【注意】本API只能读取一块电池电量的信息，对应Windows设备多块电池信息的读取，则需要另外的代码来读取。