Hi there, GGDavis.
I see that you use one AirPod at a time when pairing to your iPhone 7. The issue is, the battery life isn't lasting as expected, and I'm happy to help.
How to clean your AirPods and EarPods -- Sometimes it helps to clean your AirPods. Review the information in this article.
Charge your AirPods with charging case and learn about battery life -- Make sure you're using Apple power adapters and cables when charging your AirPods.
Your AirPods charge in the case and are ready for you to use as soon as you open the lid.
- To keep your AirPods charged, put them in the case when you're not using them.
- When you charge your AirPods with charging case, you'll get the best, fastest results by using an iPhone or iPad USB charger or plugging into your Mac.
- Repeatedly opening and closing the charging case can reduce the battery charge of the case.
Get help with your AirPods -- Even though you're able to connect the one AirPod for use, resetting them can help.
If you don't hear the connect chime after a few seconds or can't hear when your AirPods are in your ears:
Still can’t connect? Follow these steps on your iOS device.
- Go to Settings > Bluetooth and tap the icon next to your AirPods.1 Then tap Forget This Device.
- Put your AirPods in the case and close the lid. Wait 15 seconds, then open the lid.
- Press and hold the setup button on the back of the case until you see the status light flash amber a few times, then flash white.
- Place your AirPods close to your device. Follow the steps on your iOS device's screen.
Apple - Support - Product Selection -- If the issue persists, contact Apple Support. Apple Support will be able to troubleshoot this issue with you further, and they can supply all of your service options if needed.
Take care!
