Would the energy source of the Iron Man armor come with the armor or be directly taken from the main character's reactor?

If the main character was the source of energy, then where did the energy source for the backup armor that the black man stole in the second movie come from?
However, if it came with the armor, at the end of the second movie, he created a new reactor and installed it on his body. During the final battle, his armor also looked like it was equipped with a new triangular reactor. It was impossible to create two batteries at the same time.

Answer 1

According to what I know from online novels, the energy source of the Iron Man armor is not from the armor itself, but from the reactor on the protagonist. In the Marvel comics and movies, the Iron Man armor was powered by the main character's reactor, which could generate powerful electricity and heat to provide power and heating for the armor. Therefore, the energy source of the Iron Man armor was the reactor on the protagonist's body, not the armor itself.