DIY thermoelectric (peltier) laptop cooling (anyone done it?)
Result: On connection the load then drops the voltage to about 7V6 and rises the currant to 2A1, the heatsink gets slightly warm, its (12V nom.) fan is almost inaudible and the PS stays moderately warm. - Ideal! The cold side becomes finger-hurtingly cold; i.e. more than sufficient to help cooling down my laptop: