[nochevys]

The IT guy where I work just gave me about 20 Computer power supplies. They are all 19.5 volt and like 5 amp. Can I use these on wiper motors and other 12V stuff or is it too much juice???

Thanks

 

[J-Man]

Well a wiper motor can handle the extra voltage but it's gonna spin the crap out of it so unless you have an application that needs speed I don't see a use for these as far as wiper motors. Most speed controllers are built for 12v, 19v will likely over heat them. As for other uses, unless it's a motor, you typically can't up the voltage that much unless you have a way to knock it down first.

 

[tubbee]

There should be 3 different volts available, the red wire with 18v, yellow with 8v and the orange with 5v.

 

[J-Man]

There should be 3 different volts available, the red wire with 18v, yellow with 8v and the orange with 5v.

By the description I'm guessing these are chargers for laptops, not PC power supplies.

 

[nochevys]

By the description I'm guessing these are chargers for laptops, not PC power supplies.

That is correct. They are for dell docking stations.

 

[Screaming Demons]

Have you checked ebay prices? Probably best to sell them and put the money to good use.

 

[DCSHOECOUSA]

could you run a higher voltage power supply as the ones he has if you wire in one of these with it?

http://www.tmart.com/DC-12V-40V-10A-PWM-Motor-Speed-Control-Switch-Black-Green_p303150.html?cc=USD&fixed_price=hk_intl&gclid=CKf35cTb-MUCFUs6gQodVhwAEQ

 

[JW Halloween]

yes - that would work.

 

[littlebuzz]

I agree with Screaming Demons.
Sell them for cheap on eBay and use that money to buy some 12v supplies.