Features to Look for when Buying a Power Adapter

The power adapter is one of the most important computer accessory. It plugs into the laptop and the wall to charge the battery of a MacBook pro, after all, no computer is useful when the battery is dead. Although most laptops are purchased with the original power adapter, during its life, it may get lost, damaged or you may need an extra power adapter to supplement the original one for travel purposes. In this instance, it will be necessary to purchase a replacement adapter. Some manufacturers are willing to replace power adapters for free if it fails, but if it is lost or your negligence causes damage, you will need to purchase a new adapter on your own.

Finding the right Apple Power Adapter

There are different types of power adapters in the market today hence the need to check the type your laptop uses before purchasing. Most power adapters are designed for specific laptop models and brands with a certain current, voltage and polarity. This way, you can select one whose features matches those of the original one.

The features to look for

• The Voltage

Voltage is what pulls electric energy to the laptop, if the laptop voltage is different from that on the power adapter, it will not create the correct charge that is needed to pull the electric energy into the laptop. Getting a MacBook Pro A1330 Power Adapter with the right voltage is very important in keeping the power from shorting the laptop. A higher voltage will overload the circuits and you will be forced to buy more than just a new power adapter.

• The amperage

This is also known as the current, it gives the laptop the power to run; it can be explained as the amount of electrical energy that flows into the laptop at any single time. Laptops require consistent flow of energy to power its circuits. The amperage on the power adapter should exceed or match the amperage required by the laptop.

• The types of connectors

When replacing your power adapter, check to confirm that the connector can fit into the port of the laptop. Most laptops use DC power connectors but not all connectors are the same. The four main types of connectors are Cylindrical Connectors, Snap and Lock Connector, Molex Connector and USB connector.

Most brand companies have their own specialized connector tips for their laptop adapters which make the search for a suitable and affordable power adapter difficult. The cylindrical connector is the most common. Some laptops also use the USB plug for their power ports.

Having a reliable power adapter is very important and the above guide will help you get the right power adapter for your MacBook Pro.

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