87W, what Volts and Amps does this charge at?

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  • Best Answer:

    From the charger:

    Input: 100-240V~1.5A 50-60Hz
    Output: 20.2V==4.3A or 9V==3A (USB PO) or 5.2V==2.4A

    On a related (and very exciting) note, I was curious if I could charge my new MBPro (15" w/Touchbar) from a USB battery. IT WORKED!! The full charge on the System Information is 6829 mAh and the battery I'm using (An Anker with PowerIQ technology) is about twice that capacity. I've wanted this for years!

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