Question HP Power Supply.. 5V == 3A / 9V == 3A / 12V == 3A / 15V == 3A

Nov 10, 2020
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Hi! I am new here! Great forum!!

I am using a HP Chromebook 14.. this model: 14-ca051wm

https://support.hp.com/gb-en/document/c06083140

The power supply has just gone bad...

Its output ratings specifically say : 5V == 3A / 9V == 3A / 12V == 3A / 15V == 3A.. 45W Max

Can I get any 12V == 3A or 15V ==3A power supply as a replacement?

or do I need to get a power supply with those specific ratings?

BTW, I don't need fast charging..

thanks for your help
 

AlHuneke

Prominent
Jul 7, 2020
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Is the connector (on the laptop) just a single pin and an outer contact? Any power supplies with ratings like that I've ever seen are multiple outputs. It is certainly straightforward to design a powersupply inside the laptop to accept a range of voltages, it really makes no sense. Your safest route is to buy a new adapter from HP.

Can you take pictures of the adapter showing the information sticker and a picture looking into the end of the connector?
 

AlHuneke

Prominent
Jul 7, 2020
372
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It appears you can get identical replacements from Amazon for not too much money. There seems to be a number of reviews that complain about the reliability of the HP original supplies as well as the replacement supplies. I also looked at USB-C charging and found that using the supplied cable is important as not all USB cables will work for charging. Good luck!
 
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