There is a belief among some people that the length of the cable does not affect the charging parameters or the data transfer speed. Meanwhile, it is a bit different. Two cables with identical parameters but different lengths, e.g. 0.5 m and 2 m, charge differently. You need to remember that when replacing the length of the cable, it should also have a larger diameter. This is all to maintain the correct charging speed and data transfer parameters. So what is the optimal length of the cable with a standard current of 2A? It is a length of up to 3 metres.
Longer cables are proportionally more expensive because more materials (more copper) have to be used in their manufacture. However, they offer the possibility of connecting to a charger that is far from the charging socket of your smartphone or tablet, e.g. under a desk or behind a cabinet. Manufacturers of devices usually attach to the original set of short or standard length cables, which are unsuitable for all applications and only meet the minimum requirements. In this case, it is worth reaching for longer cables. And this without worrying about the charging speed or safety.
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