Battery charging case

The utility model provides a battery charging case, including at least one battery compartment for the battery that charges is waited to the holding respectively, the energy storage unit, one one at least power output end, one one at least power output end electricity is connected to the energy storage unit to can electricly be connected to wait the battery that charges, with so that the energy storage unit passes through the corresponding battery of one at least power output terminal pair charges, and the control unit, with energy storage unit electricity is connected, wherein, the control unit can optionally control the energy storage unit is right the battery charges, and perhaps the electricity is connected to an external power source, in order to utilize external power source is right the energy storage unit charges. This battery charging case can realize charging simultaneously to the polylith battery, and can realize filling soon. This battery charging case still supports consequently to have satisfied the outdoor demand of filling soon, filling more greatly by the charge mode of AC power supplies.