In Focus

Get the Battery Details of Your System in Windows Form

This article describes how to get the battery details of your System . Here I will get the information from the Win32_Battery class.

Introduction

This article explains how to get the details of the
battery connected to your system. Here I will get the information from the Win32_Battery class.

What Win32_Battery is

The Win32_Battery WMI class a represents battery connected to the computer system..

Design
 
Create a new Windows Forms Application Project.

Add one button control to the form.

Design your screen as in the following screen:

1.jpeg

Next add a reference for "System.Management".
 


To add the reference use the following procedure.

Go to Solution Explorer, select the project and right-click on that and choose "Add Reference" from the menu.

2.png


A window will open; in that choose the ".Net" tab.

3.jpg

It will show a list. In that list, choose "System.Management" and click the "OK" Button.

4.jpg

 Now go to code view

Add the namespace "using System.Management;".

Write the following code in the Button Click event
:

private
void button1_Click(object sender, EventArgs e)
{
        SelectQuery Sq = new SelectQuery("Win32_Battery");
        ManagementObjectSearcher objOSDetails = new ManagementObjectSearcher(Sq);
        ManagementObjectCollection osDetailsCollection = objOSDetails.Get();
        StringBuilder sb = new StringBuilder();
        foreach (ManagementObject mo in osDetailsCollection)
        {
              sb.AppendLine(string.Format("Availability: {0}", (ushort)mo["Availability"]));
              sb.AppendLine(string.Format("BatteryRechargeTime: {0}", (string)mo["BatteryRechargeTime"]));
              sb.AppendLine(string.Format("BatteryStatus: {0}", (ushort)mo["BatteryStatus"]));
              sb.AppendLine(string.Format("Caption: {0}", (string)mo["Caption"]));
              sb.AppendLine(string.Format("Chemistry: {0}", (ushort)mo["Chemistry"]));
              sb.AppendLine(string.Format("ConfigManagerErrorCode: {0}", (string)mo["ConfigManagerErrorCode"]));
              sb.AppendLine(string.Format("InstallDate: {0}", Convert.ToDateTime(mo["InstallDate"]).ToString()));
              sb.AppendLine(string.Format("ConfigManagerUserConfig: {0}", (string)mo["ConfigManagerUserConfig"]));
              sb.AppendLine(string.Format("CreationClassName : {0}", (string)mo["CreationClassName"]));
              sb.AppendLine(string.Format("Description: {0}", (string)mo["Description"]));
              sb.AppendLine(string.Format("DesignCapacity : {0}", (string)mo["DesignCapacity"]));
              sb.AppendLine(string.Format("DesignVoltage: {0}", (ulong)mo["DesignVoltage"]));
              sb.AppendLine(string.Format("DeviceID : {0}", (string)mo["DeviceID"]));
              sb.AppendLine(string.Format("ErrorCleared: {0}", (string)mo["ErrorCleared"]));
              sb.AppendLine(string.Format("ErrorDescription : {0}", (string)mo["ErrorDescription"]));
              sb.AppendLine(string.Format("EstimatedChargeRemaining: {0}", (ushort)mo["EstimatedChargeRemaining"]));
              sb.AppendLine(string.Format("EstimatedRunTime : {0}", mo["EstimatedRunTime"]).ToString());
              sb.AppendLine(string.Format("ExpectedBatteryLife: {0}", (string)mo["ExpectedBatteryLife"]));
              sb.AppendLine(string.Format("ExpectedLife : {0}", (string)mo["ExpectedLife"]));
              sb.AppendLine(string.Format("FullChargeCapacity: {0}", (string)mo["FullChargeCapacity"]));
              sb.AppendLine(string.Format("LastErrorCode : {0}", (string)mo["LastErrorCode"]));
              sb.AppendLine(string.Format("MaxRechargeTime: {0}", (string)mo["MaxRechargeTime"]));
              sb.AppendLine(string.Format("Name : {0}", (string)mo["Name"]));
              sb.AppendLine(string.Format("PNPDeviceID: {0}", (string)mo["PNPDeviceID"]));
              sb.AppendLine(string.Format("PowerManagementSupported : {0}", mo["PowerManagementSupported"]).ToString());
              sb.AppendLine(string.Format("SmartBatteryVersion: {0}", (string)mo["SmartBatteryVersion"]));
              sb.AppendLine(string.Format("Status : {0}", (string)mo["Status"]));
              sb.AppendLine(string.Format("SystemCreationClassName : {0}", (string)mo["SystemCreationClassName"]));
              sb.AppendLine(string.Format("SystemName: {0}", (string)mo["SystemName"]));
              sb.AppendLine(string.Format("TimeToFullCharge : {0}", (string)mo["TimeToFullCharge"]));
              sb.AppendLine(string.Format("TimeOnBattery: {0}", (string)mo["TimeOnBattery"]));
              UInt16[] PowerManagement = (UInt16[])mo["PowerManagementCapabilities"];
              foreach (uint version in PowerManagement)
              {
                    sb.AppendLine(string.Format("PowerManagementCapabilities: {0}", version.ToString()));
             }
        }
        MessageBox.Show(sb.ToString());
 }


In the code above I am getting the information from Win32_Battery and showing it in a Message Box on a button click.

SelectQuery

It represents a WQL (WMI Query Language) SELECT data query.

ManagementObjectSearcher

It retrieves a collection of management objects based on a specified query.

This class is one of the more commonly used entry points to retrieving management information.

ManagementObjectCollection

It represents various collections of management objects retrieved using WMI.

Now build your application. Click on the button; it will show the Battery details in a Message box.

5.jpeg
 

Thank you.