Abijah went into battle with an army of 400,000 chosen men, while Jeroboam drew up in formation against him with 800,000 chosen and mighty men of valor.
Jewish Publication Society of America Version (JPS1917) - 2 Chronicles 13:3 >And Abijah joined battle with an army of valiant men of war, even four hundred thousand chosen men; and Jeroboam set the battle in array against him with eight hundred thousand chosen men, who were mighty men of valour.