Apparatus and method for controlling the temperature of a battery

The invention relates to a device (1) for controlling the temperature of a battery (2) comprising at least one tempering element (1.1) with a number of channels (K1, K2) through which a temperature control is feasible. It is provided that at least one channel (K1, K2) and / or at least one channel portion as a function of at least one operating variable of the battery (2) is switched on or off. The invention further relates to a method for operating a device (1) for controlling the temperature of a battery (2) and a battery (2) in combination with a device (1) for controlling the temperature of the battery (2).