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267 posts

Ultimate Geek


#190982 18-Jan-2016 22:06
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Hey Guys,

 

After a power adapter to chop up for a project so old/used prefered.

 

Looking for something around the 15-18V Range and around 3-4A or higher.

 

It is to power a voltage regulator that works in the range of 13.5-18V - as many amps as I can cheaply get is a bonus.

 

I am in the Waikato (Cambridge/Hamilton) area.

 

Thanks in advance.





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  #1474208 18-Jan-2016 22:06
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Hey, have you listed a price, location and how much shipping would be to other parts of New Zealand? Also if you are asking for a PM make sure your Privacy settings allow your account to receive PM otherwise people can't contact you. Also note if you are selling something we ask you to offer to other members first. Links to private sales (including Trade Me posts) aren't accepted anymore and will be removed.




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1149 posts

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  #1474349 19-Jan-2016 09:25
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If 18V is your upper range - suggest you search for IBM laptop chargers. HP, Toshiba and Acer laptop chargers are 19.5V and will give you that amperage (they are either little less than 4 A or higher than 4A). Power supplies in Copier Machines are 24V - you can drop to 18 easily. Not very good idea - but if you are desperate - and it is a small temporary test - then you can use two PC power supplies and connect in series 12V on one with the 3.3V (or 5V) on another - that will give you 15.3v or 18V with high amperage. MUST isolate cases of those two PS from each other as cases are grounded (minus)!  

 

If you are up to the challenge - there are tons of mods of PC Power Supplies making them variable voltage power supply (up to 24V) on the Net.

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