https://www.chargerlab.com/category/power-z/ https://www.chargerlab.com/category/power-z/ These read out the e-marker and tell you the supported power delivery

https://www.chargerlab.com/category/power-z/ https://www.chargerlab.com/category/power-z/ These read out the e-marker and tell you the supported power delivery and USB data speeds. The irony that their product comparison table has 30+ rows should not be missed!