Extreme Tech guide to hacking Nomad’s Jukebox Zen and Jukebox 3 MP3 players to put in larger hard drives. Only recommended if you’re comfortable with voiding the warranty and busting open your player.

I have the above mentioned unit, and it has a bad battery. I left it plugged in for about a month, and it doesn't stop charging when the battery gets full, like a well-designed charging system ...