SciTubeHD | Dent Repair with Induction cooktop @BrianDhvTinkerer | Uploaded September 2021 | Updated October 2024, 5 hours ago.
In this video, a simple induction heater driven by a Mazilli ZVS circuit is used to take out dents. This process is easy and without physical contact with the metal that is damaged.

Link on how to make this induction heater ( will operate from portable Li Ion power pack as well as solar panels 12-30V DC):

teslascience.wordpress.com/how-to-make-a-solar-powered-induction-cooktop-2