Hewlett-Packard is claiming that the HP EliteBook 6930p, when coupled with new features and a 12-cell lithium ion battery option, has <A HREF="http://www.eweek.com/c/a/Desktops-and-Notebooks/HP-Claims-24Hour-Notebook-Battery-Life/?kc=EWKNLNAV09102008STR2">enough battery life to last 24 hours.</A> The HP notebook battery life claim comes a few weeks after Dell announced its Latitude E6400 corporate notebook that offers up to 19 hours of battery life with a special Dell battery feature.