That was the whole point of Phoenixing, to bring them back from the dead. Converting live to zombie does nothing but hurt the value to collectors unless you convert a game to a different game much more in demand. But in the case of Progear, it's the most in demand CPS2 game. Maybe Hyper Street Fighter 2 is about even.
The answer is yes if it's the battery that suicided being the reason it died and not something else on the boards going bad.
