Complex sentence: Unlike the other mecha, the Mars Machines have different technology that allows them to function without the aid of solar energy, therefore it is the only mecha that is able to battle efficiently when Salamandes creates the Psyma Zone.
Split into simpler sentences: Unlike the other mecha, the Mars Machines have different technology that allows them to function without the aid of solar energy. Therefore it is the only mecha that is able to battle effectively when Salamandes creates the Psyma Zone.