Let the hive mind of Engadget get that for you.
"What is the best wireless surround sound speaker solution? I have a home theater where running wires is just not feasible. I have my own speakers, so I don't want a system that has speakers with integrated wireless. I've done a far amount of research and have only come across a few companies that even offer a reasonable solution: KEF, Kenwood and Rocketfish. Is there anything else out there? What do you recommend? Thank you!"
1. Make sure you have completed the "Memory Stick Preparation" first.
2. Plug the Memory Stick back in.
3. ***OPTIONAL *** Run the "Pandora's Battery Creator" program on the PSP and press Triangle "/" to back up the contents of your battery's flash into a file on you memory stick. The program will automatically exit. *Note:* This step is REQUIRED if you want to make this a normal battery again; otherwise it's optional.
4. Run the "Pandora's Battery Creator" program on the PSP. This prepares the battery. You will not be able to use it normally from now on unless you've taken the optional step above to revert after the fact (should be using a spare so you can keep it around anyways).
5. You now have a "Magic Memory Stick" and a "JigKick Battery". Proceed to the next section to reflash your PSP.
you also own a pandora battery from here, only $18.69:
http://www.tonymap.com/product_info.php?products_id=107