Unplug your chargers when not in use

Objectif: 
Consuming less
Chargeur branché mais inutile

A charger left plugged in “empty” to a power outlet, that is to say when it is not connected to a device (mobile phone, computer, etc.), still consumes electricity. although this consumption is very low.

More info on this page of Knowledge of Energies

Consumption tests of chargers on https://www.phonandroid.com/faut-il-debrancher-chargeurs-quand-util-pas....