It's a WINNER!
It's still only the 1st charge and 1st use, but so far I am wholly impressed!
A Little non-scientific testing
After charging overnight, this morning the Hyperion got put through a little bit of stress testing.
Every morning my young Son wakes up much earlier than I do, to keep him occupied so Dad can get a few more Zzzz's, I let him play some games on the Nitro.
Because of the types of games he likes and if he's been playing the whole time while we're getting ready for work/school...My Nitro is usually down to around 20%. Today, on the way out the door, he finally gives up the phone and when I check the battery is at 70% !!
During my commute to work, I fire up a session of Sentinel 3 (tower defense game) which is another battery killer app. When I get to my desk I'm expecting to see the battery in the area of 20%...But it's at 50%! Nice!
Other Fringe Benefits
* With the extra thickness of the back cover, the camera is now recessed by around 1/4", which means less finger smudges
* The thicker profile of the phone now also dissipates the heat more, meaning the back doesn't get as hot anymore