A refrigerator comprising: a refrigerator main body having an opening and a rear wall; a door coupled to the refrigerator main body, to open and close the opening; a storage device moveable toward the rear wall within the refrigerator main body; a power supply device at the rear wall and having an accommodating portion to face the opening; and a connection device at the storage device, wherein when the storage device is moved to the rear wall and provided in the refrigerator main body, at least part of the connection device is inserted into the accommodating portion to be electrically connected to the power supply device, wherein the connection device includes: a connector body at the storage device, and the connector body is configured such that at least part thereof is inserted into the accommodating portion when the storage device is provided in the refrigerator main body; and a first connection terminal and a second connection terminal disposed in the connector body, respectively, and arranged to contact a first socket terminal and a second socket terminal provided at the power supply device, respectively, when the at least part of the connector body is inserted into the accommodating portion; and a partition wall in the connector body between the first connection terminal and the second connection terminal, the partition wall being formed of an insulating material, and having side surfaces supporting the first connection terminal and the second connection terminal, wherein each of the first and second connection terminals (152a, 152b) comprises a metal plate formed in a bent clip or pogo pin shape, and has a configuration that both end portions thereof are elastically supported by the partition wall and at least part thereof is protruded from an outer circumference of the connector body through a hole. a refrigerator main body having an opening and a rear wall; a door coupled to the refrigerator main body, to open and close the opening; a storage device moveable toward the rear wall within the refrigerator main body; a power supply device at the rear wall and having an accommodating portion to face the opening; and a connection device at the storage device, wherein when the storage device is moved to the rear wall and provided in the refrigerator main body, at least part of the connection device is inserted into the accommodating portion to be electrically connected to the power supply device, wherein the connection device includes: a connector body at the storage device, and the connector body is configured such that at least part thereof is inserted into the accommodating portion when the storage device is provided in the refrigerator main body; and a first connection terminal and a second connection terminal disposed in the connector body, respectively, and arranged to contact a first socket terminal and a second socket terminal provided at the power supply device, respectively, when the at least part of the connector body is inserted into the accommodating portion; and a partition wall in the connector body between the first connection terminal and the second connection terminal, the partition wall being formed of an insulating material, and having side surfaces supporting the first connection terminal and the second connection terminal, a connector body at the storage device, and the connector body is configured such that at least part thereof is inserted into the accommodating portion when the storage device is provided in the refrigerator main body; and a first connection terminal and a second connection terminal disposed in the connector body, respectively, and arranged to contact a first socket terminal and a second socket terminal provided at the power supply device, respectively, when the at least part of the connector body is inserted into the accommodating portion; and a partition wall in the connector body between the first connection terminal and the second connection terminal, the partition wall being formed of an insulating material, and having side surfaces supporting the first connection terminal and the second connection terminal, wherein each of the first and second connection terminals (152a, 152b) comprises a metal plate formed in a bent clip or pogo pin shape, and has a configuration that both end portions thereof are elastically supported by the partition wall and at least part thereof is protruded from an outer circumference of the connector body through a hole.