this post was submitted on 29 Oct 2023
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Is it safe to use a laptop charger to power two parallel 24v fans? (discuss.tchncs.de)
submitted 1 year ago by chrischryse@discuss.tchncs.de to c/askelectronics@discuss.tchncs.de
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I have a 3D printer and have a special filter that has two 24V blower fans that are connected in parallel. Unfortunately my printer doesn't have the proper connectors for the fans. So if I purchase something like this power jack adapter I know the adapter is 12V not sure if that would make a difference. Anyway if I connect the female part of that adapter to the fan cables and plug in my laptop charger which is rated for 19v to 24V would that be ok?

If those adapters are fine, should I just purchase 12V blower fans instead?

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[–] chrischryse@discuss.tchncs.de 1 points 1 year ago (1 children)

I just have my laptop one which I don;'t want to splice because well I use it for my laptop too lol

Would I be better off with that type of power supply?

[–] sin_free_for_00_days@sopuli.xyz 2 points 1 year ago (1 children)

Honestly you'd probably be fine with your original idea. But, that means you can't charge your laptop while printing and, the 24v power supply I linked to is cheaper than your original idea.

[–] chrischryse@discuss.tchncs.de 2 points 1 year ago

It's a spare laptop I use for random stuff, so I don't mind lol.