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Is it safe to charge my iPhone all-night through my MacBook (which is also charging)?

siro300104

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I'm on a camping trip and tonight the power strip I brought with me broke, which means the switch won't stay on, only if you hold it down. Now I got the idea that I can charge both of my iDevices from one cable/outlet using my MacBook's USB ports for my iPhone. For clarification this is what my step looks like:

Outlet ------------- MagSafe Power Brick (45W) ------------- MacBook Air ------------- iPhone 7

Is this safe to do all night?
The Devices are:
iPhone 7 w/ Apple USB-to-Lightning cable
MacBook Air 2015 w/ 45W MagSafe 2 Power Adaptor
210-230V Outlet aka. European

(Since this is my first post if I did anything wrong (category, length of post, etc.) please tell me)
 

DaveM

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It's perfectly safe to charge all night. The only thing that occurs to me is that some Windows machines will turn off their USB ports if they go into sleep mode. I don't know if the same applies to the Mac. Welcome to the forums!
 
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siro300104

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The only thing that occurs to me is that some Windows machines will turn off their USB ports if they go into sleep mode. I don't know if the same applies to the Mac. Welcome to the forums!
I don't think so, but thank you for the tip. (And even if, I guess I can live with the morning having my phone plugged in directly)
 

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