is that ok to use 19v 1.75a charger in my asus laptop X456U?

November 3, 2017 at 03:20:30
Specs: win10
Is that ok to use 19v 1.75a charger in my asus laptop X456U(19v 3.42a)? Because my original charger of it is damage.

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#1
November 3, 2017 at 04:37:24
Let me explain, Voltage is what you power supply is able to PUSH to your device, where the amperage is what is PULLED by the device according to what it needs.

Now if your laptop needs more amperage than your power supply is able to provide then you will end up either over heating your power supply or burning it out, you can replace the PSU with more amperage but it is NOT recommended to go for lower amperage. I would just go and buy the correct one, making sure it is a genuine product.

There are so many cheap ones available and so many incidents due to the poor quality. Buy a genuine replacement from your manufacturer.

So to answer your question, not do not use the 1.75 amp PSU


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#2
November 3, 2017 at 04:46:23
Not enough information.
If it is not the original manufactured power cord then there is always a risk.
The second option (generally OK but not as preferred) is to make sure that the power cord is made specifically for your make and model laptop.
The third possibility is to make sure that ALL specs are the same and appropriate (not as safe, will need more understanding of electricity). The voltage needs to be the same or Very slightly higher. The Amperage rating needs to be the same or higher. The fact that the original and replacement are both AC or DC output and if DC output that the polarity of the plug is exactly the same (the inner and outer contacts are either + or - and reverse is dangerous for the machine). Obviously the connector needs to be the same type and size. No adapters.

So your answer is not so simple.

You have to be a little bit crazy to keep you from going insane.


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#3
November 3, 2017 at 14:07:34
I woulld ensure that the voltage is "exactly" as was the original charger; current (amperage) at least the same or a little higher.


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