Review: TechARP
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Unlike some USB gadgets, the Brando USB Chiller And Warmer is a gadget with real potential. Heck, if you love to have a cold/hot drink sitting next to you while you work... or frag your enemies, you would probably love to buy something like this chiller/warmer.
However, its weak peltier put a crimp to its ambitions. Even if it's powered to its maximum potential of 3.75W, that's really not powerful enough to significantly cool down any drink. It naturally does better at heating up drinks. But even then, it only managed to achieve a maximum surface temperature of 50.1°C. Warm, but hardly enough to keep a hot drink hot.