Originally Posted by lotus49
I cannot recommend a specific seller but you want a short thick cable. The current is inversely proportional to the resistance and resistance is proportional to the length and inversely proportional to the cross sectional area of the cable. A long thin cable will not work well compared to a short thick one.
I might agree on thickness, but I don't think you're going to get serious voltage drop at the voltages/distances typical with cell phone charging.
I would suspect even that the cable the OP is complaining about was defective, as opposed to a bad design.