Replacing the battery

If your battery needs to be replaced:

Step Action
Make sure you have a Phillips 0 screwdriver.
Read the Safety guidelines.

Disconnect the power cable from the plug located on NAO‘s back.


Remove the screws of the battery cover with the Phillips 0 screwdriver (2 screws on NAO V4, 4 screws on NAO V3.x).


Remove the used battery and replace it with a new one.

Once it fits snuggly in its slot, place the cover back into position and tighten all screws.

Charge your new battery.

For further details, see Charging the battery.