If you or your friend has access to a PSP (Playstation Portable) charger you can use that since they are the same plug and the same voltage as the sony chargers.
If your friend wants to try a PSP charger they are fairly cheap, or they can try a usb cable connected to a computer to charge the sony pocket.
I wouldn;t recomend using a different charger on the 300 as it might damage it. Now since I don't own a pocket pro I dont know the specs for the charger so I cant be sure, if its an usb charger it will not work as the Sony Pocket edition only charges when connected through usb to a computer, anything else just drains the battery.
Last edited by Catire; 05-05-2010 at 10:20 PM.