· The Cable can be easily to charge your computer with USB-C Power Adapter,(Note: Not all USB-C adapters work, only APPLE 61W/87W works, So You Only can use the original APPLE USB-C charger) Input PD 15V~20V/3A~4.5A, DC Output 15V~20V Max 60W to Magsafe1 Connector.This connector tip is just a connector, no any voltage or current control circuit inside. Although this connector may fit many different Macbook computers. However, different Macbook computers may need different voltages and currents.Please make sure the power source this connector Type c tip connected (such as USB-C Adapter 61W/87W) can supply correct voltage and current for your Macbook computers. Please cross check with your existing products