Battery packs used for electric vehicles needs to be cooled down to ensure fast charging and durability.
It is also needed to heat up the battery, if the temperature is too low, to let the battery working in the right temperature range, avoiding any durability problems; a typical use cases is the charging phase and the battery is at temperature below zero, in this case a pre-heating is needed before charging the battery with high current in order to not jeopardise the battery lifetime.

Eltek battery heating and cooling system can integrate both features, heating and cooling, in one device, close to the battery cell or in-between the cells.