battery indicator light is flashing yellow

Hey phillypete,

Welcome to Apple Support Communities! It depends on what version of the iPod shuffle you have, but here are the articles that help with what the status lights mean, from most recent model to the oldest:

iPod shuffle (4th generation): Checking battery status

http://support.apple.com/kb/HT4310

Using Apple Earphones with Remote with iPod shuffle (3rd generation and later)

http://support.apple.com/kb/HT3458

iPod shuffle (2nd generation): Understanding status light behavior

http://support.apple.com/kb/HT1407

Understanding iPod shuffle (1st generation) status lights

http://support.apple.com/kb/HT1814

Cheers,

David