There are some ways on how to charge AirPods Pro without cable.
1. Using Qi-compatible Charger
Below is a step-by-step guideline on how to charge AirPods Pro by using a Qi-compatible charger.
Step 1. Pick your low-battery AirPods pro case and the AirPods within.
Step 2. Put the case on any Qi-compatible charging stand or mat.
Step 3. Check the status light, which will turn on for a few seconds, and it will turn off again. But if the light doesn't turn on, the AirPods doesn’t charge yet. You have to reposition the case until the light's on.
2. Using App
Below is a step-by-step guideline on how to charge AirPods Pro by using an app.
Step 1. Visit appinject.cc on your search engine.
Step 2. Type “AirPods Charger" and download the app by pressing the “inject” button.”
Step 3. Fulfill the two requirements for downloading two apps and wait for 30 seconds.
Step 4. Open those requirements app one by one for around 30 seconds.
Step 5. Now you can use the AirPods Charger app and connect it with your AirPods.