How to read the battery charge\backup information from a laptop's battery

Dictionary<uint16,> StatusCodes;private void Form1_Load(object sender, EventArgs e)
        {
            StatusCodes = new Dictionary<ushort,>();
            StatusCodes.Add(1, "The battery is discharging");
            StatusCodes.Add(2, "The system has access to AC so no battery is being discharged. However, the battery is not necessarily charging");
            StatusCodes.Add(3, "Fully Charged");
            StatusCodes.Add(4, "Low");
            StatusCodes.Add(5, "Critical");
            StatusCodes.Add(6, "Charging");
            StatusCodes.Add(7, "Charging and High");
            StatusCodes.Add(8, "Charging and Low");
            StatusCodes.Add(9, "Undefined");
            StatusCodes.Add(10,"Partially Charged");/* Set progress bar values and Properties */progressBar1.Maximum = 100;
            progressBar1.Style = ProgressBarStyle.Continuous;
 
 
            timer1.Enabled = true;
 
            ManagementObjectSearcher mos = new ManagementObjectSearcher("select * from Win32_Battery");foreach (ManagementObject mo in mos.Get())
            {
                lblBatteryName.Text = mo["Name"].ToString();
                UInt16 statuscode = (UInt16)mo["BatteryStatus"];string statusString = StatusCodes[statuscode];
                lblBatteryStatus.Text = statusString;
            }
        }private void timer1_Tick(object sender, EventArgs e)
        {
            ManagementObjectSearcher mos = new ManagementObjectSearcher("select * from Win32_Battery where Name='"+lblBatteryName.Text+"'");foreach (ManagementObject mo in mos.Get())
            {
 
                UInt16 statuscode = (UInt16)mo["BatteryStatus"];string statusString = StatusCodes[statuscode];
                lblBatteryStatus.Text = statusString;/* Set Progress bar according to status  */if (statuscode == 4)
                {
                    progressBar1.ForeColor = Color.Red;
                    progressBar1.Value = 5;
                }else if (statuscode == 3)
                {
                    progressBar1.ForeColor = Color.Blue;
                    progressBar1.Value = 100;
                }else if (statuscode == 2)
                {
                    progressBar1.ForeColor = Color.Green;
                    progressBar1.Value = 100;
                }else if (statuscode == 5)
                {
                    progressBar1.ForeColor = Color.Red;
                    progressBar1.Value = 1;
                }else if (statuscode == 6)
                {
                    progressBar1.ForeColor = Color.Blue;
                    progressBar1.Value = 100;
                }
            }
}