How 1.0 iPhones use battery life with the 2.0 firmware and all those tantalizing applications is something that may be worth considering against the iPhone 3G's voracious appetite for power. During the past weekend, as new applications get tested out, I've seen the iPhone 3G use more and more power with the charge indicator gradually slipping away, ultimately flashing the "low battery" warning. This warning wasn't something common with the 1.0 iPhone I had. In fact, I had never seen that "low battery" indicator even after 7 days of camping-like condition on the AIDS Ride.
Of course, with 3G, improved sound quality, GPS locating, and very loud ringer, it would make sense that battery life would suffer. Short of putting a stick of plutonium in the iPhone 3G, it would seem a safe bet that power chargers will get a good workout with the iPhone 3G. Invariably, battery fatigue will soon follow and Apple will have a secured a revenue stream of captive iPhone users who will eventually shell out $80 for battery replacement. That or third-party chargers for cars (or solar chargers) will see increased sales. Either way, this is where the 3G falls short.