Portable lamp emergency power supply

The invention relates to the technical field of stage lamp power supply, and discloses a portable lamp emergency power supply which comprises a power supply shell, the top of the power supply shell is of an opening structure, an arc-shaped notch is formed in one side of the power supply shell, and an arc-shaped plate is fixed to the arc-shaped notch; liquid guide grooves which are distributed at equal intervals and extend in the inner circumferential direction of the arc-shaped plate are formed in the lower portion of the side wall of the arc-shaped plate, a storage battery is arranged in the power source shell, the storage battery is provided with a charging module and an inverter module in parallel, and the upper cover plate is detachably and fixedly arranged at the top of the power source shell. And the opening structure is used for covering the top of the power supply shell. According to the invention, cables can be stored conveniently, the device is more suitable for emergency power supply of stages, par