Could this be used to charge the new MacBook from a portable powerbank (with a USB-A port)?
2 Answers from the Community
Yes. However, the MacBook charges at up to 29W; while this cable supports up to 36W, most USB-A power supplies will only be 5W or 10W. Check the power capacity of your USB-A charger. While this will still work on, say, a 10W charger, your MacBook would then only charge at 1/3 of the possible speed, which might not even be enough to keep it running while you use it.
- Answered by Thomas N from Aurora
- Flag as inappropriate Answer 1
It sure can, however most power banks only deliver 2.4amps (12W) whilst the MacBook needs 29W (3.0amps). Even high end powerbank only deliver 15W (3.0amps). If you are going to charge this from a powerbank I'd suggest a high capacity one, at least over 10,000mah (which will give you 50% charge and one that has 15W fast charge (try mophie and anker).
- Answered by John H from Brisbane
- Flag as inappropriate Answer 2
Will this adapter when used with the new 12" Retina MacBook allow simultaneous Mac charging while also powering a USB portable drive ?
- Asked by Barry S from Edmonds
- Mar 10, 2015
- Flag as inappropriate (Will this adapter when used with the new 12" Retina MacBook allow simultaneous Mac charging while also powering a USB portable drive ?)
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- Flag as inappropriate (Does the USB port pass through the DisplaPort signal?)
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