PowerCore III 20K is a slim and powerful portable 20000mAh battery. With two USB-A port outputs and one USB-C PD input, this is all you need as your charging companion. The massive 20,000mAh capacity provides more than 5 and a half charges for iPhone XS, more than 4 full charges for Samsung Galaxy S10, and over 2 and a half charges for iPad mini 5.