Charging iPhone from Macbook Pro

my friends have 15" macbook pros. when laptops closed, white sleep light on, charge iphones no problem. 13" mbp not when lid closed (in sleep or hibernation). know why?

 

eighteesix said: ↑

my friends have 15" macbook pros. when laptops closed, white sleep light on, charge iphones no problem. 13" mbp not when lid closed (in sleep or hibernation). know why?

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does friend have installed make not sleep when closing lid?

 

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