Which stations have OneFlash external battery dispensers?

Our partner OneFlash has external battery dispensers at 20 stations: Bordeaux St Jean,  Lille Flandres, Lille Europe, Lyon Part Dieu, Lyon Perrache, Lyon St Exupéry, Marne-la-Vallée Chessy, Massy TGV, Nantes, Paris Gare du Nord, Paris Bercy, Paris Saint-Lazare, Paris Austerlitz, Paris Est, Paris Montparnasse, Paris Gare de Lyon, Marseille St Charles, Nice, St Etienne, Strasbourg and Toulouse Matabiau.