Battery heating apparatus

The utility model provides a battery heating apparatus, includes storage case group, gas heater and air pump, storage case group is including a plurality of storage case, closing plate and a plurality of screw rod, every storage case includes a pair of box body, and a pair of box body surrounds into an accommodating space, every box body includes the main part, and the main part is extended protruding formation fixing base and is accommodated the wall, both ends, two that two main parts of every storage case's a pair of box body are located storage case are acceptd the wall and are located between two main parts and keep away from the one end of main part and cooperate, the wall of acceping of one of them box body of every storage case still includes the first side wall and second lateral wall, set up first ventilation hole on the first side wall, seted up second ventilation hole on the second lateral wall, gas heater includes an air -supply line and a play tuber pipe, the air pump includes an air intake and