Make sure.you get a cable that does USB 3.0. this is the one that's worked well for me
Anker USB C Cable, PowerLine USB... https://www.amazon.com/dp/B01A6F3WHG?ref=ppx_pop_mob_ap_share
This one works beautifully so far. Gonna see how it holds up after a month
Make sure it's USB 3.0
This is the one i got. https://www.amazon.com/dp/B01A6F3WHG/ref=cm_sw_r_apan_glt_i_ZWFZVX91MAK0PMMRGF85?_encoding=UTF8&psc=1
Not 100% sure what your situation is. You can use the cable that came with your phone or you can buy a new USB type C cable. I'd recommend getting a new one.
A cable doesn't come with this charger. I'm not really aware of many chargers (either car or AC) that do come with cables, but I wouldn't use them anyway (they're often garbage). If you need a recommendation, I've been using these pretty much exclusively for a little over a year: Amazon Link
Could you let me know if the anker one you purchased works with the fast charge? I purchased this one and it did not support the quick charge.
Now i remember, i had to make sure it was USB 3.0
I got this one Anker USB C Cable, PowerLine USB 3.0 to USB C Charger Cable (3ft) with 56k Ohm Pull-up Resistor for Samsung Galaxy Note 8, S8, S8+, S9, Oculus Quest, Sony XZ, LG V20 G5 G6, HTC 10 (Black) https://www.amazon.com/dp/B01A6F3WHG/ref=cm_sw_r_apan_glt_i_ZWFZVX91MAK0PMMRGF85?_encoding=UTF8&psc=1