... And now it must have! No need to multiply the transformers, or to wait for a refill unit to charge the following. It was enough to invent: the cable Strip! In this case a Samsung cable (original) with 3 micro-USB plugs. Impeccable to recharge at the same time the smartphone + tablet + connected the watch & co ... 1m30 Total length: neither too short nor too long.
It comes here with the transformer (2.1 amps) for a clean refill, adapted and fast (it's the same one that comes with the Galaxy S5).
And so buy the original brand: it is useless to save a few euros to end up with a Chinese pale copy that may damage the batteries by overloading, and you end up throwing anyway because defective!