Please follow the steps below to solve the issue:

1. Make sure the USB charger and USB charging cable are working. Test them using a mobile phone or a rechargeable product.

2. A full charge will take 4 to 8 hours depending on the mirror model and USB charger rating.

3. If the battery level is too low, you may not see any recharge light indication for up to 10 minutes.

4. If the mirror is not able to charge after 4 hours, perform a mirror reset procedure.

Please watch this quick video for a tutorial on resetting your mirror:

You can check out extra tips and troubleshooting steps on our support page:

https://www.simplehuman.com/pages/product-support-list/sensor-mirrors

Still need help? Contact us here.