Energy store module which comprises the following: - a multiplicity of electrochemical cell assemblies, each electrochemical cell assembly comprising the following: - at least two lithium-ion pouch cells; - a flat element for aligning the at least two lithium-ion pouch cells; and - a cell carrier, the at least two lithium-ion pouch cells being arranged in the cell carrier and being electrically connected to one another, the at least two lithium-ion pouch cells comprising, furthermore, a first and second terminal lug (12i, 12ii), the first and second terminal lug (12i, 12ii) of the at least two lithium-ion pouch cells being of flat configuration and extending at least substantially perpendicularly from two opposite sides of the at least two lithium-ion pouch cells, and the flat element being arranged in the cell carrier, preferably centrally, and the flat element being surrounded, furthermore, in a sandwich-like manner by the at least two lithium-ion pouch cells and being in contact with them at least in regions; - an energy store control device for controlling the operation of the energy store, the energy store control device having a printed circuit board; - at least two flexible busbar connectors (310, 320); - a shunt; and - at least one contacting apparatus for making electrical contact with the multiplicity of electrochemical cell assemblies, the multiplicity of electrochemical cell assemblies being arranged in a stack-shaped manner, in such a way that they configure a cell pack, and are electrically connected at least partially among one another, the shunt having a first surface and a second surface, the first surface of the shunt being in contact at least in regions with the at least two flexible busbar connectors (310, 320), and the second surface being in contact at least in regions with the printed circuit board of the energy store control device, and the at least one contacting apparatus being of substantially comb-shaped configuration and having a multiplicity of prongs (211, 221), and each of the first and second terminal lugs (12i, 12ii) being received in each case between two adjacent prongs (211, 221) of the at least one contacting apparatus. - a multiplicity of electrochemical cell assemblies, each electrochemical cell assembly comprising the following: - at least two lithium-ion pouch cells; - a flat element for aligning the at least two lithium-ion pouch cells; and - a cell carrier, the at least two lithium-ion pouch cells being arranged in the cell carrier and being electrically connected to one another, the at least two lithium-ion pouch cells comprising, furthermore, a first and second terminal lug (12i, 12ii), the first and second terminal lug (12i, 12ii) of the at least two lithium-ion pouch cells being of flat configuration and extending at least substantially perpendicularly from two opposite sides of the at least two lithium-ion pouch cells, and the flat element being arranged in the cell carrier, preferably centrally, and the flat element being surrounded, furthermore, in a sandwich-like manner by the at least two lithium-ion pouch cells and being in contact with them at least in regions; - an energy store control device for controlling the operation of the energy store, the energy store control device having a printed circuit board; - at least two flexible busbar connectors (310, 320); - a shunt; and - at least one contacting apparatus for making electrical contact with the multiplicity of electrochemical cell assemblies,