A temperature-controlled container for a refrigeration device , comprising: a thermal storage unit included in the temperature-controlled container of a size and shape to fit within a freezer section of a refrigeration device , the container including: one or more walls formed from insulative material, an exterior surface configured to reversibly mate with interior surfaces of the refrigeration device , a thermally-sealed internal region, at least one thermally-insulated partition within the thermally-sealed internal region to form at least one storage region and at least one phase change material region , at least one unidirectional thermal conductor positioned through the one or more walls so that heat is conducted from the thermally-sealed internal region to the interior surfaces of the refrigeration device when the temperature-controlled container is positioned within the refrigeration device , an aperture with an edge dimension larger than a cross-section of a refrigeration coil of the refrigeration device , a thermal diode unit of a size and shape to fit within the refrigeration section of the refrigeration device , the thermal diode unit including a top edge configured to be positioned adjacent to a vent aperture of the refrigeration device , and a control unit including a temperature sensor , a controller responsive to the temperature sensor , and a fan responsive to the controller. a thermal storage unit included in the temperature-controlled container of a size and shape to fit within a freezer section of a refrigeration device , the container including: one or more walls formed from insulative material, an exterior surface configured to reversibly mate with interior surfaces of the refrigeration device , a thermally-sealed internal region, at least one thermally-insulated partition within the thermally-sealed internal region to form at least one storage region and at least one phase change material region , at least one unidirectional thermal conductor positioned through the one or more walls so that heat is conducted from the thermally-sealed internal region to the interior surfaces of the refrigeration device when the temperature-controlled container is positioned within the refrigeration device , an aperture with an edge dimension larger than a cross-section of a refrigeration coil of the refrigeration device , one or more walls formed from insulative material, an exterior surface configured to reversibly mate with interior surfaces of the refrigeration device , a thermally-sealed internal region, at least one thermally-insulated partition within the thermally-sealed internal region to form at least one storage region and at least one phase change material region , at least one unidirectional thermal conductor positioned through the one or more walls so that heat is conducted from the thermally-sealed internal region to the interior surfaces of the refrigeration device when the temperature-controlled container is positioned within the refrigeration device , an aperture with an edge dimension larger than a cross-section of a refrigeration coil of the refrigeration device , a thermal diode unit of a size and shape to fit within the refrigeration section of the refrigeration device , the thermal diode unit including a top edge configured to be positioned adjacent to a vent aperture of the refrigeration device , and a control unit including a temperature sensor , a controller responsive to the temperature sensor , and a fan responsive to the controller. <EOS>