You're right about the screen being the phone, so it will not last as long. But, with my other phones, it would be 3 or 4 days before I would have to charge it. Now, if I go away for a weekend, I have to worry about a phone charger as well. I guess its no big deal, but a little longer life would be nice. Also, as far as making money on batteries, the battery is internal, like an ipod. If the battery takes a dump, your phone is useless. Mac doesn't make money on batteries, only electronics.
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