I have phone. 2 for a about 2 years i got a fast 65 w charger last year and a cable from gm shows Watt the phone is pulling I have observed that my phone says it is rapidly charging but it only draws 17 watt (max) idk what I have motorola 68 watt charger and a nu republic 65 watt charger but both shows same result cable are rated for 100w any suggestions?