The 'Common Charger' is a universal interoperable (USB) power supply which is for the time being required only under the Radio Equipment Directive to be used with mobile equipment like smartphones, tablets or laptops. The EPS regulation is currently being reviewed with the objective to introduce complementary requirements for the charger itself.
Disclaimer: Please note that the European Commission cannot provide a legally binding interpretation of the EU legislation, as this is the sole competence of the European Court of Justice. Any remarks from the European Commission services are without prejudice to the position the Commission might take should related cases arise in a procedure before the Court of Justice.