PSP won't turn on without charger. Easy fix. Reset the battery MCU. open the battery shell, short B- and R letter for a couple of seconds. Done!!!. use clear tape to seal
Revive a Clone Psp Battery That Is Not Charging : 6 Steps - Instructables
Revive a Clone Psp Battery That Is Not Charging : 6 Steps - Instructables
If you own a PSP, you might want to uh, make sure your battery isn't expanding – Destructoid
PSP Battery Not Charging FIX - YouTube
PSP FAQ - How Do I Update My PSP Firmware?
Is it new battery time? my psp 2004 won't recognize my battery (fake battery) anymore. This picture ahows the battery information. I don't know if just have to buy a new battery