Check the listing for details. TEC1 SP1848-27145 Thermoelectric Heatsink Cooler Peltier Plate Elemente Module. Condition: New. Listed at 7.36 USD. Designed Specifically for POWER GENERATIONFrom Thermal EnterprisesBrand New Thermoelectric Power GeneratorThermal Elements formulated for optimum Seebeck (Power Generation)Can be used for power generation, cooling or heating applicationsThese modules are manufactured specifically for power generationbut they can also be used for cooling and/or heating applications.They are far superior than standard peltiers for power generation applications.Specifications (Power input when used in Peltier Effect)40mm x 40mm x 3.3mmOpen-circuit voltage: 0.97 1.8 2.4 3.6 4.8(V)Temperature difference: 20 40 60 80 100(℃）Current: 225 368 469 558 669(MA) Package Included1x TEC1 27145 SP1848 TEC Thermoelectric Heatsink Cooler Peltier Plate Module