18W Dual Port Inlet. Upgraded self-charging experience. fastchargepowerbank3 Dual USB-A output interface capable of charging two devices at the same time. Supports 18W MAX fast charging with single port and offers more convenient fast charging experience. High 10000mAh capacity The high 10000mAh capacity is enough for multiple charges for one device*, satisfying your whole-day charging needs. Single cable for both charging and self-charging With the Micro-USB cable included in the package or your own USB-C cable, you can readily charge Android devices or self-charge the power bank. More protection, enhanced safety. The high precision resistance, inductance, and capacitance components and high quality lithium polymer battery can easily tackle overcharging, over-discharging, overheating, short circuits