MSI's solar Mega Player 540
Got a problem with your audio player's battery life? We'd put dollars to donuts that you do, so if you don't mind flipping yours over to bake in the sun for a little while, check out MSI's Mega Player 540. It looks to be the same old 4GB drive-based Mega Player 540 from before, but they've slapped a solar panel on its posterior so if you can rock it shuffle-style for a little while and have a decent amount of light, you might be able to eke some more juice out of your player than before. Another good battery saver? Well, you could try switching to a flash based MP3 player, for one.