PowerBank mobile 10,050 mMb 18W pd - 50% mobile charging capability in less than 30 minutes. Qualcomm Fast Charging Technology - 75% faster than conventional shipping. AC technology - to protect against battery overcharging and high battery temperature. Charge your phone's battery 4 times (depending on battery capacity). Rubber casing to protect the battery. Compatible with all smart devices. Button shut down and run for powerbank screen to illustrate the charging ratio. Two-year warranty with the agent