“Kipkay” provides us with another great tutorial. This time, a 9V battery hack that just might save the day when your MP3 player runs out of juice. If you’ve got any other helpful tips, please leave us a comment. Video after the jump.

“Kipkay” provides us with another great tutorial. This time, a 9V battery hack that just might save the day when your MP3 player runs out of juice. If you’ve got any other helpful tips, please leave us a comment. Video after the jump.