To conveniently charge your macbook or macbook pro from a wall outlet, pair the usb-c charge cable with a compatible usb-c power adapter, sold separately.apple recommends pairing macbook with usb-c port with the 29w usb-c power adapter.apple recommends pairing the 13-inch macbook pro with thunderbolt 3 (usb-c) ports with the 61w usb-c power adapter.apple recommends pairing the 15-inch macbook pro with thunderbolt 3 (usb-c) ports with the 87w usb-c power adapter