I use this cable to charge my Dell Precision 3551 laptop and it works great. Dell now uses high-performance fast chargers that charge via USB-C. But the thing is big and heavy and not suitable for a travel bag. So I bought a powerful but small power supply and this cable. Dell warns it won't charge (because it realizes it's not a fancy Dell charger) when I plug it in, but it charges at a decent speed. The cable is of good quality and works perfectly.