I posted in the other thread, the one spamming my email 100x/day,
Don't worry about this Battery Problem,
Because its not a Battery problem,
(a legit bug *may* have been patched in 5.0.1, but it's raison d'etre is to patch another kind of "bug")
Specifically the 0xCharlie kind of bug.
iOS 5 makes heavier use of your Radios (iCloud Sync, iTune Sync, Siri, LocationServices, your net connection and your cell phone are all competing against the Truth that you can only FIT so much juice in a small package.
Our batteries are ALREADY the best in class,mlook up the specs.
apple has to wait for certain data from the field, on an implementation so critical,
Too many Humans, all skill levels, just too much complexity to model in a lab.
This issue it a Temporary Inconvenience. Turn off a service or two (any that keep radios active), and you will survive.
For reference I'm now using my 4S all day and it's holding up just like my others, even though INSIDE all the parts are Bigger badder better.