New battery brings longer life - and controversy. Macworld takes a closer look at Apple's directionWhen Phil Schiller, Apple’s vice president of worldwide product marketing, introduced the company’s 17-inch unibody MacBook Pro notebook at Macworld Expo, he spent a good chunk of time talking about the laptop’s battery. Touting that it would “deliver our longest battery life ever,” he even played a video of detailing the challenges of creating a better battery without taking up more space or weight than in previous models.