Get Battery Level in android

 public float getBatteryLevel() {
        Intent batteryIntent = registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
        int level = batteryIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
        int scale = batteryIntent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);

        // Error checking that probably isn't needed but I added just in case.
        if(level == -1 || scale == -1) {
            return 50.0f;
        }

        return ((float)level / (float)scale) * 100.0f;
    }

int MINUTES = 1;
        Timer timer = new Timer();
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                trackLocation();
            }
        }, 0, 1000 * 60 * MINUTES);