Stellar 7: Draxon's Revenge Cheats

At the main menu, hold L and R and press:

L, R, R, L, R, L, L, L, L, L, L, L, L, L, R, L, L, L, L, L, L, R, L, L, L, L, R

You will hear a confirmation sound, and if you press L, your energy will refill, R will replinish your items.