July 7, 2008

Laptop Computer Batteries

by Ray Lam

Laptop batteries are exclusively designed for every laptop model and make. Thus, the batteries required for a particular brand of laptop differ from batteries those that are used for other brands of laptops. The life of a battery depends upon the type of that battery. This means that a nickel metal hydride battery will have a shorter lifespan compared to a lithium ion battery.

A battery is a device that stores chemical energy. This stored chemical energy is transformed into electrical energy in the form of a direct current (DC). Laptop batteries are made up of one or more cells. Laptop computers are actually small mobile computers that work just like desktop computers. Laptops can be carried anywhere, so they need to be wireless. Batteries help make this possible, so they are essential in a laptop.

You should know that the display is not all there is to the laptop. There are many more important parts to the computer. The CPU is very important because it makes your computer work. There are mobile CPUs which keep the machine cooler and prevents overheating. These are great because they also use less power.

When we shop for a laptop, we first look at the battery capacity. The highly efficient and power saving processors have been developed for the mobility of laptops. Earlier editions of laptops had the same central processing units (CPU) that were used in desktop computers. Laptops also needed to use a slower processor as the faster processor needs more energy. The introduction of laptop processors has solved this problem. This reduces the total power requirement drastically.

The laptop is powered by AC power that plugs into the wall. This makes it easy to charge your laptop and charge the batteries. These typically plug into an ordinary wall outlet. The only downside is if you are in a confined space because many have power bricks that take up space. If you plan on using your laptop a lot in hotels and other close quarters, you might want to purchase a more compact device to make it easier.

Laptop manufacturers may still insist in their manuals that you buy only the same brand of batteries for your unit. But you may want to try some of the universal laptop batteries around that are compatible with most units. These lightweight batteries may even be cheaper compared to the established brands in the laptop business.

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Filed under Computer, Hardware, Personal-Tech by Ray Lam

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