MULTIPURPOSE BATTERY PACK

A multipurpose battery pack includes: a housing, and a battery cell and a circuit board that are disposed in the housing; a first electrical connector connecting one of positive and negative electrodes of the battery cell to the circuit board; a second electrical connector connecting the other one of the positive and negative electrodes of the battery cell to the circuit board; a third electrical connector disposed on the circuit board and including at least one interface, where the interface is adapted to be electrically connected to an external electrical device, to supply power from the battery cell to the electrical device through the third electrical connector; a first connection member adapted to be in a latching connection with a first electrical device; and a second connection member adapted to be in a latching connection with a second electrical device.