Specifications: The USB C Charger supports QC+PD 3.0 fast charging functions with a total power of 40W.The USB-A port offers an output power of 3.1 A/5 V, while the USB-C port offers a charging speed of 20W. PD 3.0 USB C port is 3 times faster than its original 5W charger
Compatibility: THINKPAD X1 CARBON GEN 9, X1 CARBON GEN 9 20XW, X1 CARBON GEN 9 20XX, X1 YOGA GEN 6, X1 YOGA GEN 6 20XY, X1 YOGA GEN 6 20Y0, X1 CARBON GEN 10, X1 CARBON GEN 10 21CB, X1 CARBON GEN 10 21CC, X1 YOGA GEN 7, X1 YOGA GEN 7 21CD, X1 YOGA GEN 7 21CE, X1 CARBON GEN 11, X1 CARBON GEN 11 21HM, X1 CARBON GEN 11 21HN, X1 YOGA GEN 8, X1 YOGA GEN 8 21HQ, X1 YOGA GEN 8 21HR