Sony PSP (Piano Black) "display battery charge level" Questions

charge its not your battery try pressing the button with an oval shape on it next to the button with the music note that button allows you to set the level of color displayed on your screen i think it

...display some sort of battery charge level indicator and even if they're charged will not be harmed if they remain on the power supply cable for longer periods of time. The charge time is 3 hours ...

...battery icon to display in the upper right hand corner of the screen, but it flashes on and off, then the orange light goes out. The firmware is OFW 3.72 Since everything is in working order for the ...