It is always disappointing and frustrating whenever the charger of your laptop gets bad. Finding a suitable replacement is always a challenge, and that’s why I am putting this article together so you will know how to go about getting the right charger for your laptop.
Laptop Power Adapter or Charger is one of the most important things for your laptop. A Laptop Adapter does two things for your laptop, Firstly you can use your laptop running on AC / Mains power and secondly it charges the battery of your laptop. There can be times when your laptop adapter/charger might get blown off or damaged and becomes unusable, which can be due to improper voltage, power surge, faulty components etc.
Vital parameters to look for when purchasing a Laptop charger
Input voltage is the voltage supplied to your power adapter. Usually it is 100-240V~. So make sure the adapter you are buying is having this value. Input voltage is always in AC (Alternating Current). Voltage is measured in Volts (V).
Output voltage is the voltage supplied by the power adapter and it is always in DC (Direct Current). Make sure that the output voltage matches the output voltage specified for the particular laptop model.
All Laptops have different pin sockets for power. Also power adapters do comes with different pin sizes, so first thing is to make sure that the power adapter pin matches the laptop power pin socket.
How to Find Out Connector Pin Size in Power Adapter
There are two parameters required to find out the pin size in connector for a power adapter. The first is the outer diameter of the pin and the second one is the inner diameter of the pin. Both are measured in mm and you can measure it with the help of a good precision scale.
It is most important thing that should be taking care of, which is the current and it is measured in Amperes (A). You should see that the current (A) of the compatible power adapter matches the current required by the laptop. This you can consult with your laptop manual or look at the value that is specified in your old or damaged original power adapter. This value should not be varied a little bit otherwise you might end up frying your laptop components.
This is amount of power consumed by your laptop adapter and is it is measure in Watts (W). You do not need to match this value as it will come out the same as with your original power adapter, if you have correctly matched the output voltage and current. Power is calculated as
P = V x I
Where P = Power, V= Voltage, I=Current
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