The battle of Aphek (873 B.C.) took place on the tableland east of the Sea of Chinnereth (Galilee), the modern Golan Heights. This was not the same Aphek where Saul battled the Philistines ( 1 Samuel 4:1; 1 Samuel 29:1). The Arameans greatly outnumbered Israel ( 1 Kings 20:27), but God promised Ahab victory so he and all Israel, as well as the Arameans, would know that Yahweh was the true God ( 1 Kings 20:28). God enabled the soldiers of Israel to defeat their enemy ( 1 Kings 20:29), but He also used supernatural means to assist them ( 1 Kings 20:30; cf. Joshua 6; et al.). One hundred casualties a day in ancient warfare was considered heavy, [1] but God gave His people100 times that number that day. [source][source][source]
"The striking parallels to the conquest of Jericho, as the interval of seven days before the battle and the falling of the city walls, clearly identified the battles at Samaria and Aphek as holy war." [2][source]