2-Pack 40W Fast Charging Block:Upgraded USB C Charger Block supports the Power Delivery and Quick Charge 3.0 fast charging functions with a total power of up to 40W.And when you connect 4 devices,power will be distributed efficiently between ports to ensure you get the best charge to minimize waiting time.The best replacement for your original usb charger iPhone Charger Fast Charging:The charger cube supply has 20w dual-port USB-C connector with 6ft USB-C to USB-C cord, charges your iPhone 16/15 from 0% to 60% in just 30 minutes