Battery not working since GS 45 port

[mgalgs]

https://github.com/mgalgs/gnome-shell-system-monitor-applet/blob/609b478c187a9bcc863ac1ac423b00d39bce3275/system-monitor-next%40paradoxxx.zero.gmail.com/extension.js#L1059-L1062

[glerroo]

You can implement something like this (I don't have a laptop to make some test),

    _checkDevices() {
        if (this._timeoutId) {
            GLib.source_remove(this._timeoutId);
            this._timeoutId = null;
        }

        this._network = Main.panel.statusArea.quickSettings._network;

        if (this._network) {
            if (!this._network._client) {
                // Shell not initialized completely wait for max of 100 * 1s
                console.log(`${this._extensionName}: Gnome Shell is not inizialized`);
                if ((this._nAttempts += 1) < 100) {
                    this._timeoutId = GLib.timeout_add(GLib.PRIORITY_DEFAULT,
                        1000, this._checkDevices.bind(this));
                }
            } else {
                this._client = this._network._client;

                for (let device of this._network._wirelessToggle._nmDevices)
                    this._deviceAdded(this._client, device);

                this._signalManager.addSignal(this._client, 'device-added', this._deviceAdded.bind(this));
                this._signalManager.addSignal(this._client, 'device-removed', this._deviceRemoved.bind(this));
            }
        }
    }

from gnome-shell-extension-wifiqrcode - WifiQrCode.js file.