Homebrew dev CODE_R3D has release the updated version of his handy battery saving plugin, Gemini.

This little app automatically disables the UMD drive, WLAN and USB, when not in-used, to preserve some battery life. This latest release now has added some new features, much improved UMD detection and speed enhancements.


* Now detects whether in VSH, POPS, or GAME mode.
* Updated UMD detection.
* Plugin now reduces the speed at which the psp works. (Adjusts speed according to what mode your in.)

Source- QJ