How do you charge a PSP with a USB cord?????

I have a USB cord and i tried charging it with it but its not working..is there a specific way to do it? PLEASE i neeeed help..



also i lost my PSP charger..so i can't use that.



HELP PLEASE..thanksHow do you charge a PSP with a USB cord?????
only the PSP-2000 (the ';slim';) can be charged directly from the USB port

the original (fat) can only be charged by the 9vinHow do you charge a PSP with a USB cord?????
Only slim PSP can charge over usb sadly %26gt;.%26lt;

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