Ben-hadad in Fausset's Bible Dictionary
("son" i.e. "worshipper" of Hadad"), the Syrian sun-god. A
name common to three kings of Damascus. Hadad-ezer ("Hadad
helps") is a similar Syrian name. David, having conquered him,
put garrisons in Syria of Damascus; Rezon retook Damascus, and
reigned there "an adversary to Israel all the days of Solomon"
(1 Kings 11:23). Ben-Hadad I grandson of Rezon (probably), as
king in Damascus, which had absorbed by that time the petty
kingdoms around, helped Baasha against (See ASA king of Judah.
But the latter, by a present of "all the silver and gold left
in the treasures of the Lord's house and of the king's house,"
tempted Ben-Hadad to "break his league with Baasha" (1 Kings
15:18-19). He therefore "smote Ijon, Dan, Abel-beth-Maachah,
Cinneroth, with all Naphtali" in the northern kingdom, namely,
that of the ten tribes under Baasha, thus enabling Asa to take
away the stones of Ramah, which Baasha had built to prevent
any repairing from the northern to the southern kingdom,
Read More about Ben-hadad in Fausset's Bible Dictionary