The Anker Advantage: Become one of the more than 50 million people who rely on our cutting-edge technology. Ultra-High cell Capacity: The enormous 20,000mAh cell capacity can charge the iPhone XS more than five and a half times, the Samsung Galaxy S10 more than four times, and the iPad mini 5 more than two and a half times. High-Speed Charging: Use the USB-C power delivery port or the Qualcomm Quick Charge-enabled USB port to provide phones, tablets, and other devices with an 18W high-speed charge. Quick Recharge: To recharge your PowerCore in less than seven hours, connect the included USB-C to USB-C cable to an 18W Power Delivery wall charger (not included). Please be aware that it will take about 20 hours to recharge using a standard USB wall charger. PowerCore Essential 20000 PD is what you get.