I also have the Seimens Versicharge. I've had it for 3+ years...first with my e-Golf and now with my Bolt. No problems with it. The scheduled charging is done by the Bolt and I can always check the my chevy app to see if the charging is done. WiFi connectivity for the charger is a bell/whistle that I can do without. Others who have it may say that the data they get from their charger is critical for their ability to analyze blah blah blah.