Choosing the right laptop adapter requires matching voltage, output power, and connection. Using an incompatible adapter can damage the computer. Check voltage and current output, and ensure the connection fits. OEM adapters are safe but expensive. AC and DC adapters are available, and prices range from $40 to $100.
Choosing the right laptop adapter is all about voltage, output power, and the right connection. If all of these things don’t match your computer’s original specifications, a new laptop adapter probably won’t work on your machine and could potentially cause a lot of damage. Eventually, most replacement adapters will have a list of computers it’s compatible with.
The first thing to consider for laptop adapter is the voltage. The easiest way to check this is to turn the computer over and see if there is a voltage listed anywhere on the bottom of the machine. A sticker may be affixed with this information and other similar laptop specifications listed. It should be a number with a V attached, such as 19.5V. This information is also available on the original adapter if available.
The second thing to look for is the current output needed for the laptop adapter. An A of mA will be associated with this number. For example, it might say something like 4.7A or 950mA. These numbers ensure that the power supply to your machine will be acceptable and will keep it operating within normal parameters. Not paying attention to any of these numbers could cause the electrical systems in your computer to malfunction and stop working altogether.
Once these two issues are resolved, the other important step is to simply make sure the connection fits the port on the computer it is to be plugged into. The laptop adapter’s output voltage and current won’t matter if it can’t be connected. If you order online or if you don’t have your own computer, it’s advisable to check as soon as possible.
Many can choose the safest route possible and use a replacement laptop adapter directly from the manufacturer if available. While this is a good option, these parts may be more expensive than others that may be available from aftermarket manufacturers. Also, as long as the numbers match, everything should work nearly the same and be just as safe and effective.
Another thing to consider is whether you want a laptop AC adapter or a DC adapter. An AC adapter is made to plug into any standard electrical outlet such as those in your home or office. The DC adapter is made for automotive use.
Typically, laptop adapters can be found for sale wherever computer accessories or laptop batteries are sold. While the price depends on the model and manufacturer, most tend to be between $40 US Dollars (USD) and $100 USD. They are also available from many online retailers.
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