Just a guess here, but I'm thinking that one of the reasons the battery is not replaceable is because of the water resistant feature. Seems to me that if the general population is opening and closing their cases at will, there's lots of chance for dust, poor seals, gasket mis-alignment, etc. Then Samsung gets all the blowback for water fails.
As a current N3 user who just pre-ordered N7, I've had an extended 6400 Anker battery for over a year and love it. But, I've also lost a N3 due to water so I think this tradeoff is worth it, given the fast charge capability.
I'm gonna mis the IR blaster though. (Was lots of fun to program it for friend's TVs and take control.)
Jeff
As a current N3 user who just pre-ordered N7, I've had an extended 6400 Anker battery for over a year and love it. But, I've also lost a N3 due to water so I think this tradeoff is worth it, given the fast charge capability.
I'm gonna mis the IR blaster though. (Was lots of fun to program it for friend's TVs and take control.)
Jeff