Iphone 16plus is randomly not charging.

Follow these steps and try again after each:

1. Plug your device into one of these power sources:
2. 
   

• • Computer
  • Power accessory
  • Wall power outlet

1. Restart your iPhone or restart your iPod touch.
2. Check your charging cable and USB adapter for signs of damage, like breakage or bent prongs. Don't use damaged accessories.
3. Use a wall power outlet and check for firm connections between your charging cable, USB wall adapter, and wall outlet or AC power cable, or try a different outlet. 
4. Remove any debris from the charging port on the bottom of your device, then firmly plug your charging cable into your device.
5. Let your device charge for half an hour.
6. If your device still won't power on or if the screen displays a battery icon, force restart your device: 

• • iPhone 8 or later and iPhone SE (2nd generation and later): Press and quickly release the volume up button. Press and quickly release the volume down button. Press and hold the side button until the Apple logo appears.
  • iPhone 7, iPhone 7 Plus, and iPod touch (7th generation): Press and hold both the side (or top) button and the volume down button until the Apple logo appears. 
  • iPhone 6s or earlier, iPhone SE (1st generation), and iPod touch (6th generation) or earlier: Press and hold both the side (or top) button and the Home button until the Apple logo appears.

1. Let your device charge for another half hour.

If your device still won't power on or charge, you might need service. Get service

See this article.

If your iPhone or iPod touch won't charge - Apple Support

Apple......

You are not addressing Apple here. This is a user-to-user site. We are all users here.....just like you. This was clearly explained to you in the Terms of Use Agreement, which you signed to confirm that you understood this.

Apple is not here. They will not see your post and they will not reply.

We can provide some general guidelines and tips to try to help if you want, but if you want to speak directly to Apple, you can do so here:

Support

Search for accessories that have completed MFi certification. Once an accessory has completed MFi certification requirements and is reported to Apple as sold/distributed, it will be searchable in our public database of authorized Lightning, headset, charging, iAP-enabled, and Find My network-enabled accessories.

Learn how to identify counterfeit or uncertified Lightning-based accessories.

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