When you connect your Apple Watch to its charging cable and power, you should see a green lightning bolt on the screen. Likewise, If your watch requires charging, a red lightning bolt will appear on the screen.
If for some strange reason your Apple Watch won’t charge or you see a message on your watch that charging with this accessory isn’t supported:
These steps can help fix Charge Apple Watch won’t charge or turn on issues
- Make sure that you plug the Apple magnetic charging cable all the way into the USB Power adapter, then make sure that you plug the adapter all the way into a power outlet.
- Make sure that you’re using the a proper Apple magnetic charging cable and the USB power adapter that came with your Apple Watch when you purchased the device.
- Fully remove any plastic wrap from both sides of the charger.
- See to it that the back of your Apple watch and the magnetic charger are clean from any stain.
- Gently place the back of your Apple watch on the charger. The charger’s magnets align your Apple Watch, and you should see a green lightning bolt on the watch face.
- If your Apple Watch won’t charge, force it to restart. Press and hold both the side button and digital crown for at least 10 seconds [usually 6 seconds will do], or until you see the Apple logo.
- Try a different Apple Watch magnetic charging cable and a different USB power adapter. If your Apple Watch is out of power, you might need to wait a few minutes for the green lightning bolt to appear after you start charging your device. If that doesn’t work switch to an alternative.
- Related: How to set alarm on Apple watch