NET

15 He said: “Pay attention, all you people of Judah, residents of Jerusalem, and King Jehoshaphat! This is what the Lord says to you: ‘Don’t be afraid and don’t panic because of this huge army! For the battle is not yours, but God’s.

Darby

15 and he said, Be attentive, all Judah, and ye inhabitants of Jerusalem, and thou king Jehoshaphat! Thus saith Jehovah unto you: Fear not, nor be dismayed by reason of this great multitude; for the battle is not yours, but God's.

KJV

15 And he said, Hearken ye, all Judah, and ye inhabitants of Jerusalem, and thou king Jehoshaphat, Thus saith the LORD unto you, Be not afraid nor dismayed by reason of this great multitude; for the battle [is] not yours, but God's.