How To Keep a Laptop Running For Several Hours

Date Added: August 08, 2009 03:08:24 PM

Author: Douglas

ArticleIn the XXI century the LAPTOP has replaced the desk computer because it is compact, portable and mobile. You can take it aboard an aircraft, on a ship or elsewhere and keep working etc. The only drawback is that it has limited power. Having been used for a couple of hours, the battery gets low and you have to re-charge it for further use. Laptop producers have not designed a laptop yet that can run 24/7. However, several crutial steps have been undertaken to extend battery's life. There are 3 main kinds of laptop batteries distinguished. The first rechargeable laptop batteries were Nickel Cadmium (NiCd). They were rather cheap and put out a lot of power. Yet, they were heavy and are no longer used now. Nickel Metal Hydride (NiMH) batteries are unsuitable for the new generation of laptops. Their output is higher in comparison to NiCd batteries. Moreover, they are cheaper and safer. The only downside is that they have the so-called memory effect. If the NiMH battery has not discharged entirely, it will remember it and will generate less power than it should do. Lithium Ion (LiON) laptop batteries are usually used in laptops of the new generation. They are lighter comparing with NiCd and NiMH laptop batteries and have not got any memory effect. However, LiON batteries are quite expensive. In fact the more expensive a battery is, the longer your laptop will work. So, it mainly depends upon purposes you use your laptop for. Those who travel widely, need an extended power source. If it is time to replace your battery, keep in mind that it should be compatible with a laptop model, in spite of the fact that a lot of laptop batteries these days are compatible with all makes. Afterwards consider 2 main ratings on it: Volts and Milliamps. The voltage should be within 10% of the original battery voltage. When you purchase a battery, always seek the one with the biggest Milliamps. An external laptop battery is connected to a laptop through an AC adapter plug that consists of an adaptor, a cord plus thirteen other connectors. When buying an AC adapter, ensure that it will suit the voltage and current output. This information is generally submitted on labels of a laptop and on the original adaptor. The letter 'V' denotes voltage and 'A' or 'mA' - current output. The voltage figure is to be within 10% of your original adapter voltage. The Amps figure can be higher but should not be lower comparing with the original current output. Another thing to remember is that tip dimensions of an AC adaptor and the shape of a battery should be identical to the original ones. Certainly, any device should be used properly. Laptop power sources are no exception. Keep and use them correctly and they will serve you longer.

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