Abstract: Provided is a battery for a vehicle-mounted refrigerator that includes a battery housing and a battery holder. The battery housing includes a main housing and a battery cover arranged on the top of the main housing. Laterally movable buckle plates are symmetrically arranged between two ends of the battery cover. Two ends of the buckle plates extend out of the respective ends of the battery cover. The middle portion of the buckle plates is disposed outside the battery cover. The buckle plates at both ends are connected by an elastic piece, which is disposed in a limiting groove defined in the battery cover. The battery housing is inserted into the battery holder, where a lower part of one side of the battery housing is provided with an inner concave step portion, and a charging socket is installed at the center of the top of the inner concave step portion.

Abstract: Provided is a multifunctional vehicle-mounted refrigerator with a plug-in battery, which includes a refrigerator box, an openable cover, a refrigerating chamber and a freezing chamber arranged side by side in the refrigerator box, a compressor installed at the bottom of one side of the refrigerator, a roller arranged at one end of the bottom of the refrigerator box, and a telescopic pull rod arranged at the other end. A battery chamber is defined in one side wall of the refrigerator box, and a battery can be inserted into the battery chamber. The battery includes a battery box and a battery cover. Laterally movable buckle plates are symmetrically arranged between two ends of the battery cover.