View and edit drawings directly in a web browser without installing any software. AutoCAD Mobile App:

View, create, and edit CAD drawings on iOS, Android, and Windows mobile devices. Save to Web & Mobile:

The Electrical toolset was integrated into the main AutoCAD subscription starting in 2019, offering: AutoCAD 2019 Including Specialized Toolsets Now Available

While there is no official "portable" version of AutoCAD Electrical 2019 provided by

If you are looking for ways to use AutoCAD Electrical on the go without a full workstation install, you can utilize these official mobility features: Official Mobile & Web Features AutoCAD Web App