For Lenovo Thinkpad Yoga. Conclusion: This connector will change the size of the connector and allow you to operate your laptop, but your battery will only charge if your power adapter is as powerful as your laptop needs or the Type-C charger power must be over than the output end. Use it with the 65W or 87W Type-C Charger to conveniently charge your Laptop with DC 18v-20v port from a wall outlet. input: Type-C Female, 65W or 87W Type-C Charger output:DC male, DC 18v-20v(not support 5v). Build-in the PD Emulator Trigger at Type-C female end.