Laptops are portable devices with their own power supply
in the form of a rechargeable battery. These batteries only last for so
long before they need to be recharged. Laptops use power adapters that
plug into wall outlets for this purpose. Hundreds of different brands of
laptops exist on the market and each one uses its own type and model of
adapter. Most manufacturers will provide accessories and parts for
their laptops on their retail websites. Other places to find laptop
adapters include electronics retail stores, and discount computer
hardware wholesalers. It’s also possible to find adapters and cables on
online sites like, oriccabattery.co.uk.
When it’s time to replace an old adapter with a new one, research is
required to find the right kind of adapter. When looking for laptop adapters, owners need to check the model number and the voltage and amperage requirements of their laptop.
This information is used to look for a compatible laptop adapter online.
The voltage of an adapter needs to match the required voltage of the
laptop. However, the amperage of an adapter can meet or exceed the
required amperage. Laptop owners also need to get an adapter with the
right connector type. The cylindrical connector tips are the most
commonly used type for a laptop device. Another option is to look for a
universal power adapter, which can adapt its power settings to the
laptop and comes with multiple connector tips.
About Voltage
Voltage is what pulls electrical energy into the laptop. It’s kind of
like the wheels on a paddleboat, which turn and push the paddleboat
across the water. In this case, the paddleboat is actually a bunch of
electrons. If the voltage of the laptop is different from that provided
by the adapter, it won’t be able to create the correct charge needed to
pull the electrical energy into the laptop. Finding the right voltage
for a laptop adapter is also important to keeping the power from
shorting out the laptop. A voltage that’s too high will overload the
laptop’s circuits. Owners will end up needing to buy more than just a
new adapter at that point.
About Amperage
Amperage, also known as current, is what gives the laptop enough power
to run. It is the amount of electrical energy that flows into the
laptop at any single moment. Laptops need the right amount of consistent
energy flow to power all the circuits within the device. Usually,
voltage is a measure of how much potential energy the laptop can use.
The amperage on laptop power adapters needs to match or exceed the
amperage required by the laptop.
Connector Types
When looking for a replacement laptop adapter, check that the
connector is going to fit the laptop’s power port. All laptops use DC
power connectors, but not all connectors are going to be the same.
| Laptop Connector Types | Description |
|---|
Cylindrical Connectors
| Known as barrel connectors, sleeve connectors, tip connectors,
and coaxial power connectors; they are an insulated, hollow cylinder
that connects to the laptop power port
|
Snap and Lock Connector
| Also known as Kycon 3-pin and 4-pin DC power plugs; this connector has three or four pins surrounded by a thin, metal cylinder
|
Molex Connector
| Often used on personal computers to supply power; several
insulated electrical wires are encased by a flat, plastic rectangular
case with 3, 4, or 6 terminals
|
USB connector
| Consists of a hollow, rectangular metal tip, inside of which are two or more flat metal pins
|
Some name brand companies will have their own specialized connector tips
for their laptop adapters. This can make the search for an affordable
adapter more difficult, but not impossible. The cylindrical connector is
the most common type of connector used in laptops. Laptops and
electronic devices may also commonly use USB plugs for their power
ports. Several types of USB connectors are in use including, Type A,
Type B, Mini A, Mini B, Micro A, and Micro B.
Conclusion
Laptops are mobile devices, but they require power cords and adapters to
charge their batteries. There are two main types of laptop adapters: AC
and DC power adapters. Each one converts the electrical energy from a
power source to a form that can power the laptop. These adapters need to
supply the right voltage, connector type, and amperage. This is
important to ensure that the laptop charges properly. There are several
different types of connectors and only one type will work for any single
laptop. If the laptop owner can’t find the proper style and model of
adapter on eBay, he or she can set the save a search feature to notify
via email when a matching adapter is listed.
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