How much will i get for this at eb games?

Psp slim (white) has no battery. Lost it. Still in good condition.

tony hawk underground 2

tony hawk project 8

alien vs predator

star wars battle front renegade squadron

2gb memory stick

charger

usb cable.

spiderman 2 the game

predator the movie



Please dont tell me to sell on ebay or craiglist. im only 16.How much will i get for this at eb games?
85 bucks at the most probably.How much will i get for this at eb games?
i know eb games and they wont give u much for the psp system with no battery but all of those games and moviesshould get at least 50 $



they dont give much for used games