OS Pandora Battery Tool v0.5
Updated version to work with 3.80 M33, should actually work with any homebrew capable version (though in some of the earliest you may need to pack the elf into a PBP).
download:
http://nds.cmamod.com/wordpress/?dl=25A small update to the above with better error handling code (will return actual errors for miscellaneous syscon/0×8025 errors)
OS Pandora Battery Tool v0.52
Note, if you get 0×80250084 (hardware) error on running this with a slim PSP, have a look for an app called pspident by jas0nuk - if you have a "TA-085 V2″ slim there is currently no way to read/write the battery PROM on those versions using software.
download:
http://nds.cmamod.com/wordpress/?dl=27^^^^Yes this is my real voice, i did make this video^^^^