Late to the party but depending on your charger voltage, it may be. e.g. I can charge my mbp on a cheap usb-usb-c charger but as soon as I use it _too_ much, it

Late to the party but depending on your charger voltage, it may be. e.g. I can charge my mbp on a cheap usb-usb-c charger but as soon as I use it _too_ much, it will stall, or worse, lower.