Sony Xperia S with non-removable battery

The Sony Xperia S is the first smartphone to bear Sony's sole brand in recent years. It is a nice smartphone. However this smartphone has a non-removable battery. Sony company claims Sony Xperia S will have to live up to its 8 hour 30 minute talktime estimates or 420 hours standby estimates. So when you decide to carry this smartphone you have to consider this: the battery is non-removable.