This lab allows, from one side to observe the relationship between the amount of energy that the battery will store and the luminosity of the bulb and the position of the solar panel regarding the bulb and from the other side it allows to meassure the amount of energy used from the battery in order to move a weight.

There will be just one user acting as controller of the lab.He will be able to modify the value of the different variables and run the experiments.

There can be several observers.

It is useful to learn about renewable energies, how can we make profit of them, storing and using the energy.