```
Xiang Hong Bin muttered to himself.
Duan Xuchang looked at the middle-aged man dressed in military uniform, whose body was extensively disabled, and he felt a certain solemn respect for him.
"Comrade, all of this was developed after the apocalypse. There was none of this before the apocalypse—no, I can't say there was none, but rather there were related designs before the apocalypse, but there were many difficulties that couldn't be solved. So not to mention mass production, even custom-made ones couldn't be manufactured."
"I see. Then what's the power source for this powered armor? Gasoline? But I didn't smell any oil… Could it be electricity? But are there batteries with such a large capacity nowadays? Could it possibly be the legendary nuclear power battery? How's its endurance? Is it powerful in actual combat? Is it expensive? Once we get to the city base, can we also get a set?"
Lu Gang immediately asked a barrage of questions.
