Don't panic when you find out that your power bank has already been shipped, here are some suggestions to help you deal with this problem.
First, you need to contact the airline or airport customer service immediately. Tell them about your situation and ask if they can help you. They may be able to tell you how to retrieve the power bank, or offer other solutions.
If you have already left the airport, you can try contacting the airline's customer service**. They may ask you for some information, such as your flight number, the size and weight of your power bank, etc., so that they can find your power bank.
If you can't reach your airline or airport customer service, you can try contacting the power bank manufacturer's customer service**. They may be able to provide some advice or help you contact the relevant authorities to resolve the issue.
In any case, you need to be calm and patient. It may take some time to retrieve the power bank, but if you take the right steps, you will be able to fix the problem and ensure that your power bank is returned safely to you.
In addition, in order to avoid similar situations, it is recommended that you carefully check whether your luggage contains a power bank before traveling. If you're not sure if you can bring it on board, check with your airline or airport customer service.