METHOD FOR FUELING FUEL CELL SYSTEMS, AND FUEL CELL SYSTEM ASSEMBLY

The invention relates to a method for fueling fuel cell systems (Sys A, Sys B) which are operated in an assembly () of a plurality of fuel cell systems (Sys A, Sys B), and to a fuel cell system assembly (). According to the invention, a method is provided by means of which a load () operated by the assembly () can continue to be operated while a fueling process is carried out by a fueling device assigned to the fuel cells (FC , FC ) of the fuel cell system (Sys A, Sys B).