Exterior Thermal Battery Cover

Exterior thermal battery-cover for a battery housing characterised in that the cover comprises at least a thermal insulating layer with a thermal resistance (R-value) of at least 0.070 m·K/W, preferably with a thermal resistance of at least 0.078 m·K/W and whereby the thermal insulating layer is at least one of a fibrous layer, an open cell foam layer or closed cell foam layer.