Containerised power supply adopts a 20-foot standard container high box, which provides a mobile solution for the separation of ship and electricity for ship electrification. The container-type mobile power supply includes the main functions of the battery system and the battery compartment, including the heptafluoropropane fire protection system, the combustible gas detection system, the control system, the air conditioning system, the lighting system, the quick plug-in parts, the UPS, the battery rack, the shock absorption, the emergency ventilation and the fire protection design.