The utility model discloses a battery terminal heating device, including the battery module, the battery module is equipped with the electrode, interconnects through the jumper between the electrode of different battery modules, still include the electric heat membrane, the surface of this electric heat membrane is pasted and is equipped with the insulating film, be equipped with electric connecting terminal on the insulating film, with right the electric heat membrane is supplied power, the subsides of electric heat membrane are located the jumper to be equipped with the portion of stepping down that supplies the battery terminal to pass. The utility model discloses can provide one kind and carry out heat retaining battery heating device through the electric heat membrane, the electrode and the jumper of by heating battery module can realize that the nice and warm high efficiency that adds of battery keeps warm lastingly, have guaranteed the normal work of battery under low temperature condition, have lengthened the life of battery.