Can You Charge A Macbook Through Usb. In that case I need to calm things down or plug in the 87W adapter. Charging for Macbook Pros can only be done through the MagSafe charging port.

When plugging in my Nexus 6P directly into the MacBook it charges at the full USB PD spec 5V3A. Its a small thing but it can make a big difference depending on where your charger is plugged into the wall. If there is a USB-A connector at any point between the wall outlet and the Apple device then charging will be limited to 12 watts possibly 5 watts.
In that case I need to calm things down or plug in the 87W adapter.
You can set options in the Battery pane of System Preferences. This changes benefit is increased versatility. You can set options in the Battery pane of System Preferences. Its still not enough power for a Macbook Air the Macbook.
