Will a 12 watt power adapter charge the new MacBook?

Can I charge a new MacBook (USB-C) using an Apple 10 or 12 watt power adapter and a USB A to C adapter. The USB-C uses a 29 watt adapter. Am I correct that it will charge but will be slower?

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    Yes, it will charge. I charge mine that way in some locations.

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  • Simply put no, this adapter will not work with the 2015 Macbook with USB-C Power Delivery charging. This charger is a USB-C charger but it does not support the Power Delivery protocol the MacBook requires. This means that this charger is strictly 5V (phone) and will not supply the higher voltage the MacBook needs. (I don't know off hand but it runs off of a much higher voltage than 5V. Possibly 14V+) When in doubt you can usually trust the Compatibility list on the product page to be accurate.

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