'Powerless' in the Bible

Then Asa cried out to Yahweh his God. And he said, "O Yahweh, there is none with you to help between the great and the powerless. Help us, O Yahweh our God, for we rely upon you, and in your name we have come against this multitude. O Yahweh, you [are] our God! Let no man prevail against you!"