If you are one of those people that spend a lot of time on your laptop away from a permanent source of power then buying an external laptop battery is probably one of the best things that you could do. They will provide you with up to 12 extra hours of power for your laptop before it runs flat. This type of battery is great for people who spend a lot of time out in the field or simply do not have power available when they need it. External laptop batteries are gaining huge amounts of momentum in both the consumer and commercial markets. So if you are thinking of purchasing one of these wonderful pieces of equipment for your laptop then here is some information to keep in mind before making the purchase.
Most external laptop batteries are also known as universal batteries as they have a wide range of useful applications. The battery can be used to not only power your laptop computer, but to also recharge things such such as mobile phones, MP3 players and PDAs. This is great if you travel somewhere for a couple of nights and have no power at the disposal of new products. Most of the external batteries with lithium-ion (Li-Ion) technology, although a new type of battery is currently used on the market, lithium polymer (Li-Po) technology. This new type of battery provides the best power to weight ratio that money can buy weight, but you must pay for this extra bonus. Most of these new species arelot more environmentally friendly than their older cousins.
Most of the universal batteries on the market today come with an adjustable voltage source. This is great as not all laptops run on the same voltage. Most laptops can run on any voltage that is within +/- 1 volt of their own but it is recommended that you buy one that perfectly suits the needs of your computer or device. The amperage of the external battery must also be checked to see that it is even to, or higher than that of your laptop otherwise it will not be able to provide enough juice to power the computer.
Following the above guidelines when purchasing an external laptop battery will greatly reduce the amount of wasted money and time that you will have to expend if you buy the wrong type. Specifically, make sure that the voltage of the new battery matches that of your laptop, ensure that the amperage is equal to or above that of the laptop, and make sure that the external laptop battery comes with the correct power plugs to fit your computer.
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