Point of care testing enables medical staff to deliver real-time test results within an hour. To ensure accuracy and long operational life of test devices, thermoelectric coolers are used to provide precise temperature control. Point-of-care PCR testing devices must handle hundreds of thousands of thermal cycles throughout its life with minimal degradation to the thermoelectric cooler. Our PowerCycling PCX Series thermoelectric cooler features a unique construction that is tested to survive in long term thermal cycling applications.