Yes, you can add the low power mode to your control center on your iPhone 14, iPhone 14 Pro, or iPhone 14 Plus running on iOS 16. To do this, you need to go to the Settings app and tap on Control Center. Then, you can customize the controls that appear in your control center and add the Low Power Mode toggle to it. This will allow you to easily turn on and off the low power mode on your iPhone, which can help you to conserve battery life when your device is running low on power.