Motorola Droid Razr Maxx (Verizon Wireless)

A phone may be able to do everything, but if it can't make a decent call or its battery life is poor, then it's worth not much. Unfortunately, as smartphones have become more powerful, batteries have struggled to keep up with the demand of large displays and powerful processors. Of course there are exceptions like Motorola's Droid Razr Maxx, but now we commonly measure battery life in hours instead of days. Of the latest handsets that CNET has reviewed, here are the 20 models with the longest battery life as measured by our talk time battery drain tests. For more results, see our full cell phone battery life charts.

CNET Review bottom line: The Motorola Droid Razr Maxx proves that a powerful Android superphone can remain thin yet still promise marathon-worthy battery life.

Talk time: 19.78 hours