If he's been acting hungry I don't see why you couldn't move up in prey size or even offer two prey items during feeding. Try to aim to feed something that is about as wide as the thickest part of your BP.
I plan on breeding my BPs but I don't think I am power feeding them. I have a scale and weigh my BPs monthly and then for that month try to offer about 10-15% of their weight every 6 days. Mine seem to be growing at a steady rate and don't act hungry until they are being offered food.