EMERGENCY STARTING POWER SUPPLY FOR VEHICLE

An emergency starting power supply for vehicles includes a shell, a power source, a circuit board, and an output terminal. The shell is provided with a first accommodating space and a first mounting part. The power source and circuit board are housed in the first accommodating space. The power source is electrically connected to the circuit board and the output terminal, respectively. The output terminal is provided with a first coupling part, the first mounting part is provided with a second coupling part, and the first coupling part is detachably connected to the second coupling part. The output terminal is configured to output a current for starting an engine of the vehicle. The shell includes a first shell provided with the first mounting part, and a second shell provided with a second protrusion, wherein the second protrusion is configured to limit the output terminal.