How many angels did Allah send at the Battle of Badr?

3000

Remember thou saidst to the Faithful: "Is it not enough for you that Allah should help you with three thousand angels (Specially) sent down? Quran 3:124

1000

Remember ye implored the assistance of your Lord, and He answered you: "I will assist you with a thousand of the angels, ranks on ranks." Quran 8:9