Of course it won't charge as fast as the Fast Charger will. But it's no slower than any USB.
I use Fast Charging with Anker or Samsung induction chargers at home and in my motorhome.
I can deal with standard charging rates in my Jeep.
I'm not sure but I believe the fast wired chargers use...
I'm talking about thebones the put in our vehicles here in the 21st century.
They are not CIGARETTE LIGHTERS and won't support one monster what.
The Re not wired or fused to carry the long heavy inductive load of a flat wound coil heater.
Wire one directly to the battery