Team Noobz have released a USB Charger Plugin for PSP Slim units, which allows the PSP to charge via USB whenever a USB cord is connected, rather than being restricted to charging only while in USB Connection mode.

Download PSP Slim USB Charger Plugin

PSP Slim USB Charger Plugin [Noobz]

Read more: Dark_AleX Releases 3.71 M33-2, 1.50 Kernel Add-on v2, Brightness Plugin For PSP Slim v0.2, Dark_AleX Releases Experimental PSPStates Plugin For Slim Units, PSPStates Beta 2 For 5.00 M33, Alternative VSHMenu 4.2