I've been using this one for a month with no issues. It fully supports fast/smart charging. Cable is sturdy, doesn't scratch/bend etc. There are some negative reviews out there, but mine is 5/5. YMMV.

https://www.amazon.com/Basevs-Magnetic-Macbook-Devices-6-6FT-Black/dp/B079NJM3VS/ref=sr_1_1?ie=UTF8&qid=1532978379&sr=8-1&keywords=basevs+magnetic