Albert Barnes Commentary 1 Chronicles 14

This passage should be compared with 2 Samuel 5:11–25. The only important variations are found in the list of David’s sons (1 Chronicles 14:4–7; see the note on 1 Chronicles 3:1) and in 1 Chronicles 14:12, which adds the detail that the idols taken from the Philistines were burned.

When they had left their gods there - The practice of carrying images of the gods into battle was common among the nations of antiquity, and it arose from the belief that the images themselves possessed power and that military success could be obtained through them.