Start Battery use checking using Intent.ACTION_POWER_USAGE_SUMMARY

package com.AndroidBatteryUsage;

import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.Bundle;
import android.widget.Toast;

public class AndroidBatteryUsageActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        PackageManager packageManager = getPackageManager();
        Intent intent = new Intent(Intent.ACTION_POWER_USAGE_SUMMARY);
        ResolveInfo resolveInfo = packageManager.resolveActivity(intent, 0);
        
        if(resolveInfo == null){
         Toast.makeText(AndroidBatteryUsageActivity.this, 
           "No suitable Activity found!", 
           Toast.LENGTH_LONG).show(); 
        }else{
         startActivity(intent);
        }
    }
}

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