With the HTC EVO 4G's large display and endless list of features, many have been worried about the battery life. While EVO users can expect about 6-8 hours of battery life with the default settings and average usage, that is not necessarily a guarantee - some users may experience longer battery life if they aren't using the phone frequently throughout the day, and heavy users may not get anywhere near 6 hours. We have done extensive testing with the EVO and have found that there are a number of things you can do to make sure you are getting the most life out of your battery as possible.
Read the full article: Improve Your HTC EVO 4G Battery Life
