In the extremely dry atmosphere of Mars, there is all kinds of electrical activity in the form of static electricity. The static was so strong on the Moon that lunar dust clung heavily to astronauts’ spacesuits. Do you really think it would be different on Mars?
When I made that statement I had in my mind large-scale electrical activity of an amperage that would be relevant to the creation of organic compounds. Perhaps Mars had this in the past but I don’t believe it does now.