how i powered a pc fan was i used a battery charger for a norelco electric shaver. the plug in on on battery charger fit the pins on the pc fan connector. oh i used a 80mm fan too. i think something smaller might burn out cause that 80 mm is spinning pretty fast
cigarettes42 Reviewed by cigarettes42 on . Computer fan lower heat stress So i figured the tops of my plants where gettin way to much heat stress from the HPS lamp giving them life and i cant move them any lower or the light any higher so i figured i gotta extra computer fan and a 9Volt Battery, why not make a little exhaust fan to lower the heat stress. So i strapped a battery to the side of the fan, connected the wires and have it hanging right next the the lamp right between the tops of the plant and the lamp bulb. Its not super strong obviously but any help for Rating: 5