> Doesn't it make more sense to have that at the power source end (charger) rather than the power sink (device)? I would prefer having a separate meter, so tha

> Doesn't it make more sense to have that at the power source end (charger) rather than the power sink (device)? I would prefer having a separate meter, so that I can place it first at the power source, then at the cable end, to know if a malfunctioning device could be the result of a flimsy cable producing a significant voltage drop. This is a very common scenario when using dubious quality cables.