With Qualcomm Quick Charge 2.0 technology, your devices can be charged 75% faster as compared to the conventional charger. It means the battery of your Nexus 6, Galaxy Note 4, Moto X and other devices powered by quick charge 2.0 get fully charged within 2 hours.Safe & Reliable.We integrated a dual-circuit protection system that prevents overcurrent, overvoltage, overheating,overcharging.ote : Fast charging will work only on the condition that your phone will support Qualcomm quick charge 2.0 technology. Please use the included cable or the original cable of your phone for Qualcomm quick charge. Feel free to ask questions about this product here.