A system for a fuel cell powered device having a fuel cell and a printed circuit board having a plurality of heat generating electronic components , the system comprising a fuel tank for the fuel cell powered device and an attachment for the fuel tank , wherein: the fuel tank is adapted to store a fuel source for generating hydrogen for the fuel cell by an endothermic reaction; and the attachment is configured to be located between the fuel tank and the printed circuit board of the fuel cell powered device, the attachment comprising: a thermal conductor having: a first surface for thermally contacting the plurality of heat generating electronic components on the printed circuit board of the fuel cell powered device; and a second surface for thermally contacting the fuel tank , wherein the thermal conductor is configured for conducting heat from the first surface to the second surface such that heat generated by the plurality of electronic components is absorbed by the fuel tank ; and a securing portion for affixing the first surface to the printed circuit board , wherein the securing portion comprises a lip located in opposition with the first surface , wherein the lip is configured such that an edge of the printed circuit board resides between the lip and the first surface and is retained therein. the fuel tank is adapted to store a fuel source for generating hydrogen for the fuel cell by an endothermic reaction; and the attachment is configured to be located between the fuel tank and the printed circuit board of the fuel cell powered device, the attachment comprising: a thermal conductor having: a first surface for thermally contacting the plurality of heat generating electronic components on the printed circuit board of the fuel cell powered device; and a second surface for thermally contacting the fuel tank , wherein the thermal conductor is configured for conducting heat from the first surface to the second surface such that heat generated by the plurality of electronic components is absorbed by the fuel tank ; and a securing portion for affixing the first surface to the printed circuit board , wherein the securing portion comprises a lip located in opposition with the first surface , wherein the lip is configured such that an edge of the printed circuit board resides between the lip and the first surface and is retained therein. a thermal conductor having: a first surface for thermally contacting the plurality of heat generating electronic components on the printed circuit board of the fuel cell powered device; and a second surface for thermally contacting the fuel tank , a first surface for thermally contacting the plurality of heat generating electronic components on the printed circuit board of the fuel cell powered device; and a second surface for thermally contacting the fuel tank , wherein the thermal conductor is configured for conducting heat from the first surface to the second surface such that heat generated by the plurality of electronic components is absorbed by the fuel tank ; and a securing portion for affixing the first surface to the printed circuit board , wherein the securing portion comprises a lip located in opposition with the first surface , wherein the lip is configured such that an edge of the printed circuit board resides between the lip and the first surface and is retained therein. <EOS>