If you drink beer calm and measured half-liter mugs, it is usually the end of the warmer and not so good as in the beginning. To solve this problem, you can make yourself a cup with a cooler at home.
First you need to own mug and coaster, to which all other parts and are fastened. Another - the switch, thermometer, cooler from the company, a little wire, 8 batteries, glue and wire.
At the base of the cooler is mounted cupholders (corny glued termoustochivym any glue). Then, on top of Peltier elements attached.
Next: 8 batteries using wire and electrical tape are collected into one unit.
Design offers of batteries mounted on the cup holder (the main thing - to calculate the glass got), it joins the switch.
It remains a bit: to connect the power and attach the thermometer.
And now - a test of all this construction. Beer is poured into a glass and brought the sun inside the beer cooler, turn on power, soon the temperature dropped to almost zero.
That's all.