Common Sense Of Laptop Ac Adapter

I have got three replacements for my HP 432309-001 AC Adapter because of abuse usage

. As laptop becomes more and more popular, the AC adapter is more and more familiar to us. So how much do you know about this small gadget? Do you have enough information of it? How do you know to use it properly? According to my own experience, I have post these information sharing with you all.

Generally speaking, a power adapter is a medium that takes the output of one power source, like a 120-volt AC wall socket, and converts it to a lower or stable output, for example a 19.5-volt power supply for a notebook computer. Usually its safe and stable while use it. But if you find the electronics devices that you have connected to a power adapter are not working properly or that their batteries are not charging, theres always the possibility that the power adapter is not working well. With the right tool, however, you can check the output of your power adapter and see if thats the reason of the problem.

Every power adapter has the input voltage and amperage requirements printed on the surface, as well as the output voltage and amperage rating. You can see it easily. Then remember these numbers as we will compare the numbers that we got from testing. An example would be this, taken from my 432309-001 AC Adapter: Output 18.5V.3.5 amps. Ill measure the output of the power adapter with a multimeter a very easy-operating tool for anyone working with electronics. A multimeter can measure voltage, current, power output and resistance of electrical circuits by touching the electrical circuits or device with a set of probes.

Next step is to set your multimeter at proper range for measuring the output of your power adapter. Take into account the voltage and the amperage youll be measuring. Consult the manual for specifics on how to set your particular model of multimeter.

Then, check the data plate of your power adapter to find out which portion of the plug is positive and which is negative. For example, on some power adapter plugs, the outer shell of the plug is positive, while on others its negative. So it depends. Have a look of your AC adapter instructions.

Finally, I got the data and compare that with the rated output of the power adapter. If it varies significantly, replace the power adapter.

I used to try this on my former AC adapter as a fan of electronics. For this new HP 432309-001 AC Adapter, I wont try to dismantle it.

by: YY93

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