High Capacity: 20,000mAh battery capacity packs enough power for 4 6 full charges. A Power House That Charges Many Devices Simultaneously: Provides 3x USB A outputs, 1x USB C output, and 1x Wireless output, so can charge up to 5 devices at once. Convenient, Fast Wireless Charging: Simply put the device on top for up to 15W of fast wireless charging, even if without any cable. Fast Charging Both Ways: 2x 12W USB A outputs. 1x USB A output supports QC3.0 with max power 22.5W, more than twice as fast as 10W output. USB C output supports PD3.0 with max power 20W, optimized for charging the latest iPhones. Micro B & USB C inputs support 18W max, allowing quick re charge of battery.