There was war between Asa and Israel's King Baasha throughout their lifetimes.
In the third year of Judah's King Asa, Baasha, Ahijah's son, became king over all Israel. He ruled in Tirzah for twenty-four years.
References for 1 Kings 15:33
He did evil in the LORD's eyes by walking in Jeroboam's ways and the sin he had caused Israel to commit.