Battery problem might be solved with the update of iOS 5.0.1 which is released by Apple

Battery problem of iPhone 4S was related with iOS version 5.0 for this reason Apple has announced a latest version of iOS 5.0.1 and this will solve the issue of battery problem of iPhone 4S..

This version of iOS 5.0.1 is also for iPhone , iPad, iPod touch so guys you can install it..

• This latest version of iOS will solve the following issues:-
• It fixes bugs which cause poor battery life.
• This version will help iPad for Multitasking

The following iOS devices can be upgraded with iOS 5.0.1:-

• iPhone 4S
• iPhone 4
• iPhone 3GS
• 
  
• iPad 2
• iPad 1
• 
  
• iPod touch (4th Generation)
• iPod touch (3rd Generation)

For security content of this updated information you can visit the Apple website
http://support.apple.com/kb/HT1222



Source: iclarified