Power adapter confusion!
So, what power adapter can I use for the new Apple Watch? 20W USB-C? 10-5W?
all the ac chargers work as long as the connector of the cable fits
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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
3 replies
yes and a bit no,
devices are made to charge by a maximum current so there is a max limit of how high a current it will draw no matter how much watt the charger is able to provide
watt = Volt (in this case 5) * amps drawn
so if the watch and cable was made to draw a max of 1amp then
a 5watt would be enough, in which case getting a 20watt will not make it faster,
but if it was made to draw a max of 2amps then it would charge slow with a 5wattt charger
Thanks Rudegar. I assume the only difference then would be charging time right?
Power adapter confusion!