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If the battery lasts 1.5 days, people have to start charging their phones in the middle of the day - which is usually a bad time and a huge inconvenience. If you have to charge it every day, you don't notice it, if the battery runs out in your lunch break, you will curse Apple for the bad battery life.

In contrast, if you charge your phone daily anyway, you don't gain anything by 0.5 days of added battery life.

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Except that when they claim 1 day battery power, it's actually at most 0.5 days, with slightly above average usage or after the phone has aged a year. I'd love to have something that's designed for 1.5 days, so that I could actually get a full day out of it!

It's so much less harrowing, though, to get home with 33% of your battery left than 5%. Not to mention those days when you go out for dinner or drinks after work -- you have to carry a battery?

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