Isto é coberto na novela júnior do filme
However, it had none of the former Death Star’s design flaws. The redesigned superlaser would require mere minutes — not hours — to be recharged, and could be focused more finely, allowing it to fire at moving targets, such as capital ships. With a projected diameter of 160 kilometers and a substantial increase in firepower, the new Death Star would be not only larger than the original but also much more lethal.
E no Star Wars: absolutamente tudo o que você precisa saber "livro de fatos que indica que a estação tem o dobro o número de turbolasers junto com um complemento considerável de canhões iônicos
