If the batteries are depleted, the Smart Lock will not be able to receive any commands through the Nuki App (or Nuki Web). When you try to connect to the Smart Lock, the app will attempt to establish a connection for about 20 seconds before aborting the attempt. The Smart Lock icon in the app will then appear grayed out and the status will show as “Offline”.
However, you can manually open or lock your door by turning the knob of the Smart Lock. Furthermore, you can still open your door from outside using your physical key.
To lock your door from the outside with the key, you need a cylinder with an emergency function. This means you can lock your door lock from the outside, even if there is a key inside the lock.
Don’t worry; Nuki will notify you when the battery level drops below 20%. This gives you enough time to replace your batteries or charge your Power Pack.
Once you restore power, the Smart Lock will perform a positioning run. From now on you can use your Smart Lock as usual again.
The activity log in your Nuki App shows whether a locking action was aborted due to low battery or the positioning run.