You have updated your new iPhone 4S to the latest iOS 5.0.1 mobile operating system for the battery issue? But the improving effect is not obvious? Maybe the following battery tips can help you.
We can find out a new option System Services under Location Services, which contains multiple settings. You can close those non-essential settings, including Diagnostics & Usage, Location-Based iAds, Setting Time Zone and Traffic. Given the limited storage and bandwidth, apparently Automatic Downloads feature is not a good idea for all the users, so you can also turn it off in order to save storage, bandwidth and battery life. Similarly, you can also selectively turn off a few syncs of your apps and games, while turning off Use Cellular can further help you extend the battery life.