#include <windows.h>
#include <iostream>

#define UNKNOWN         0xFFFFFFFF

using namespace std;

int main() {
        SYSTEM_POWER_STATUS status;

        GetSystemPowerStatus( &status );
        int life = status.BatteryLifePercent;
        int secs = status.BatteryLifeTime;

        cout << life << "%   ->   ";
        switch (status.BatteryFlag) {
               case 1: cout << "High";
                    break;
               case 2: cout << "Low";
                    break;
               case 4: cout << "Critical";
                    break;
               case 8: cout << "Charging";
                    break;
               case 128: cout << "No system battery";
                    break;
               case 256: cout << "Unknown status";
                    break;
        }

        if (secs == UNKNOWN) {
                cout << endl << "Amount of time remaining is unkown";
        }
        else cout << endl << secs << " seconds remaining";
        
        Sleep( 2000 );
}