An energy supply circuit for supplying a travel driving motor of an industrial truck with electrical energy, having • a battery connection for connection to the positive contact of a battery, • a condenser connection, • a drive control connection which is connected to a drive control for a driving motor of the industrial truck and which can be connected to the battery connection and the condenser connection, characterized in that • the condenser connection is connected to a positive contact of a condenser with a high capacity of 1 Farad or more, • the battery connection and the condenser connection are each connected via an electronic switch (TR11, TR12) to the drive control connection, and by • a series circuit which has a bidirectional first electronic switch (TR13, TR14) formed by two electronic switches (TR13, TR14) connected in series and a choke, and connects the battery connection to the condenser connection, wherein one end of one of the electronic switches of the bidirectional first electronic switch is connected to the condenser connection and one end of the other electronic switch of the bidirectional first electronic switch is connected to the battery connection and the other two ends of the two electronic switches (TR13, TR14) of the bidirectional first electronic switch are each connected to one end of the choke, • wherein one end of the choke is additionally connected to a second electronic switch connected to ground and the other end of the choke is additionally connected to a further electronic switch connected to ground, and • an electronic control unit which is configured to activate the first electronic switch (TR13, TR14), the second electronic switch and the further electronic switch connected to ground. • a battery connection for connection to the positive contact of a battery, • a condenser connection, • a drive control connection which is connected to a drive control for a driving motor of the industrial truck and which can be connected to the battery connection and the condenser connection, characterized in that • the condenser connection is connected to a positive contact of a condenser with a high capacity of 1 Farad or more, • the battery connection and the condenser connection are each connected via an electronic switch (TR11, TR12) to the drive control connection, and by • a series circuit which has a bidirectional first electronic switch (TR13, TR14) formed by two electronic switches (TR13, TR14) connected in series and a choke, and connects the battery connection to the condenser connection, wherein one end of one of the electronic switches of the bidirectional first electronic switch is connected to the condenser connection and one end of the other electronic switch of the bidirectional first electronic switch is connected to the battery connection and the other two ends of the two electronic switches (TR13, TR14) of the bidirectional first electronic switch are each connected to one end of the choke, • wherein one end of the choke is additionally connected to a second electronic switch connected to ground and the other end of the choke is additionally connected to a further electronic switch connected to ground, and • an electronic control unit which is configured to activate the first electronic switch (TR13, TR14), the second electronic switch and the further electronic switch connected to ground.