An empty battery - can I still switch on my light?
Now let us assume that you have arrived at your desired destination after a bike ride and notice that your battery is empty. You have no charger with you, and it starts to dawn. Now, when the electric Van Raam system is switched off, or as soon as the battery is almost empty, the motor no longer provides pedal assistance. However, you can still switch on your system because you will still be supplied with light.
Since your battery still has a part of remaining power, the lighting can run.