< br >
1. You can't charge your laptop. 2. Because the Oneplus 9's charging power is 65 watts, and laptops usually require higher power to charge, generally more than 60 watts, the OnePlus 9's power is not enough to charge a laptop. 3. If you want to use the OnePlus 9 to charge your laptop, you may need to consider other charging devices or charging methods, such as using the charger that comes with the laptop or purchasing an adapter to meet the charging needs of the laptop.
Yes, a plus charging head support pd protocol, you can charge a notebook