Every minute of hand-cranking generates five extra minutes of charge time. On top of the ever-ending charge crank action, the case itself provides a 15%-20% boost. So theoretically, we're talking infinite iPhone.
Read More »Every minute of hand-cranking generates five extra minutes of charge time. On top of the ever-ending charge crank action, the case itself provides a 15%-20% boost. So theoretically, we're talking infinite iPhone.
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