So I bought a used PSP that didnt come with a battery or a charger and purchased both of those via dealextreme (2 week shipping D: ) and had a friend test it out after I had already bought it. He told me that it wouldn't turn on with a battery or the AC charger, but it would charge the battery. I also noticed something odd with the psp... With the exception of the screws under the warranty sticker, every screw is missing, in addition the wifi switch is nowhere to be found. Oh snap, I just realized the warranty sticker is in Japanese for some reason.... and it's a 1001... Is it possible one of the previous owners took a non-replaceable part that is preventing it from running? At the moment I do not have an easily accessible pandora's battery (would need to pull favors from two different people whom owe me none) so I would rather see if there's anything else I can check for.