An external battery pack, or external battery charger, is a portable battery that recharges an electronic device. A person can take an external battery pack with her and recharge her electronics anywhere in the world.

Function: A person charges an external battery pack the same way he would regularly charge a portable electronic device; by plugging it into a wall socket. When his camera's battery, for example, drains, he can plug it into a charged external battery pack to recharge the camera's battery without needing an electrical outlet.

Benefits: An individual can take an external battery pack with him wherever he goes. If he has an MP3 player and its battery drains, he can plug the player into the external battery pack and continue listening to music. He can also buy external battery packs for other electronics, such as cell phones and digital cameras.

Warning: An external battery pack will recharge different electronics by different amounts. It may charge, for example, a small MP3 player several times while a larger device, such as a tablet computer, may only receive one full charge. Some companies make external battery packs for specific products to maximize the recharge.

External Laptop Battery

With the growing use of laptops and netbooks on a day to day basis the war for the market share has grown stronger than ever. Companies are scrambling for ways to make their products stand out by introducing different features, mostly productivity tools, speed upgrades, and price reductions.

For the business person who is always on the go, getting this features are essential. The ability to keep everything as if you are bringing your office desktop is definitely a big advantage. But the question is, will your battery last to keep up with the energy zapping enhancements in your laptop?

Many laptops and netbooks has a battery capacity to last only between 2-5 hours. And getting a few extra hours will surely be a big bonus. But of course, that comes with an equivalent price tag. So instead of getting another laptop or getting some pricey device, here's one clever idea, an external laptop battery for backup.

Getting a high capacity external laptop would be a very good investment for a mobile person who needs to go online most of the time. There are also universal external laptop batteries available that will surely be of ease if you have different kinds or brands of devices. It will ensure that whichever device you have, you can be assured that you will be able to use your backup.

Choosing a suitable external notebook battery is not that difficult. But it is always recommended to check for feedbacks on your preferred choices. You can visit several review sites to check on customer experiences as well as the editor's comments. This will also help you weigh out other factors like price, reliability and most important, quality.

Some of the leading companies that now offers external laptop batteries include HP, Toshiba, Lenmar, Maplin, to name a few. Most of these brands offer external laptop battery with USB powerport, so make sure to keep a USB hub just in case you run out of available ports.