Battery and charging
You will need to charge the phone when you
first get it or if you have not used it for a long
time.
Safety Information:
1. To ensure your safety and avoid damaging
the device, only use the official charger and
USB cable.
2. OnePlus 9 Pro supports the USB Type-C
cable.
3. Unplug the charger after you finish charging
to avoid wasting electricity.
4. Do not place anything on your phone while
it is charging.
Charge the battery
1. Connect the USB cable to the adapter;
2. Plug the USB cable into the phone's USB
port.
3. Plug the adapter into a power socket.
4. After charging, unplug the USB cable from
the phone and unplug the adapter from the
socket.
Save power and extend battery life
