PSP homebrew developer vodkkaa dropped by the QJ.NET PSP Development Forums today to release the Battery 1NFO PRX. Essentially, this piece of homebrew displays various information about your PlayStation Portable's battery. Here's a complete list of features:

* display battery percentage
* displays battery time left
* displays CPU/BUS Speed
* Warns when battery is under 10%
* charging status

The developer also noted that this particular battery info PRX is different from the one released by TOC. For installation instructions, please read the readme.txt file included in the download.