In this quick tip from the folks at CNET TV, you'll learn a few steps you can take to maximize the life of your iPhone's internal battery. Whether you're the proud owner of an Apple iPhone 3G or perhaps just considering picking one up second hand, you're sure to benefit from this free video tutorial. For more information, including a detailed overview, watch this iPhone user's guide.
Have an iPhone? See everything that's new with Apple's latest iOS update: