A new update to TaSkPSP has just come out!
TaSkPSP is written in the LUA scripting language, and what this does is basically what you see below - displays a status summary of the PSP in its current condition.

[Updates to v.04]
-UMD PRESENT NOTIFICATION
-BATTERY VOLTAGE NOTIFICATION
-NEW BATTERY CHARGING NOTIFICATION ICON
-NEW COLORS -NEW FONTS
-UPDATED ICON
-REMOVED TaSkPSP FILE MANAGER/VIEWER(WAS NOT COMPLETE/WILL BE ADDED AGAIN IN FUTURE UPDATE)
-STAND ALONE VERSION FOR 1.5 FIRMWARE DID NOT TEST ON 2.X
NOTE: The file be in .zip. So extract it when you finish downloading it. Thanks.
Get it
[here]