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re: that anker 100W, just don't have 2 usb into it. The ports on them are not variable...
 
Zendure SuperPort is a 100 watt charger on its main USB-C port plus it has extra power for three auxiliary ports (one more USB-C at 15W and two USB-A ports at 15 W). Total power is about 135 W, so you can't load all four ports fully at the same time.

I have verified with a meter that it will put out an honest 100W over the high-power USB-C port while simultaneously quick-charging an (older) iPhone and running a USB-A camera battery charger. That combination is around 125W, so the rated power number is at least mostly accurate (I didn't have a fourth load handy).
Perfect info, thanks. Have just ordered one!

In other news - on a whim I tried leaving the machine plugged into my iphone 11 pro USB-C charger overnight and woke up to it at 100%. Technlogy's great when it works! :-D
 
Thanks for checking that for me. That is quite helpful. So I can probably go with the cheaper cable!
 
If it's the Apple-brand cable, I'm 99% sure it'll work just fine - I just grabbed an old cable that came with a 2016 adapter, threw it on the SuperPort and iStat Menus is reporting 100 watts - and it charged the 16" very quickly.

Your links are apple.com, so they're fine - but beware of nearly identical looking Amazon cables - most are NOT 100W. Many are 30W or less (meant for charging phones, tablets and small laptops, not 16" workstations). The only two cables I know for sure (from testing) are 100W are the Apple cables from 15" and 16" MacBook Pros (any year) and the Zendure cable that comes with the SuperPort.

Some of the OWC Thunderbolt 3 cables claim 100W, and I've never known OWC to mis-specify anything, so I'm quite sure they really are. There are probably others (some Dell cables should be, for example), but an average USB-C cable is NOT.

I'm pretty sure that what ships with the adapter is NOT a Thunderbolt 3 cable (I've never actually tried using an adapter cable as a data cable, but a long Thunderbolt 3 cable is expensive enough that I'd be very surprised if Apple is throwing them in attached to adapters). A 2 meter OWC Thunderbolt 3 cable is $34.99 for a half-speed 20 Gb/S cable and $64.99 for a 40 Gb/S cable.

Note that the usual Apple charger cable is 2 meters, and both cables that you have linked to are much shorter. If you're using an adapter that plugs directly into the wall, a short cable will be a pain!
 
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Many cables are also limited lower than 60W (you may very well be right that there is no such thing as an 85-87W cable, and anything >60 supports 100).USB-C phone charging cables are generally 18W or 30W, and some knockoffs and cheap cables don't support Power Delivery at all (default 5W).
 
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