1. Open the vehicle charging port first. Taking Denza as an example, if you press the logo in the middle, the charging port will automatically pop open.

2. There is a cover inside. Gently flip the switch on the right to open the cover.

3. Then take out the "State Grid" rapid electric gun from the charging pile.

4. When taking out the charging gun again, remember to press the button on the charging gun.

5. Aim the fast charging gun head at the jack, press and hold the button on the gun head, and insert it into the vehicle's quick charging port.

6. After the connection is completed, we need to insert the State Grid’s special charging card into the charging pile.

7. Insert the card and click the "Insert Card to Charge" button on the screen and wait for the system to perform a security check. After the system is detected, it will automatically jump to the password input interface. After entering the correct password, charging can begin.

8. After the system check, it will show that it is charging, and the power card will pop up. At this time, you should take out the card immediately.

9. After charging is successful, the charging status will be displayed on the instrument in the car. To complete charging, you need to insert the card back into its original position again, and then click the card's "Insert Card Settlement" button on the screen.

10. Remember to take the card after exiting. To complete charging, you need to press and hold the button on the gun head to pull it out and then put it back in its original position.