Having a good laptop battery is very important as to take full advantage of the laptop portability

Have a good laptop battery is very important to take full advantage of the portability of the laptop. Without a good battery will lose this advantage, and you always have to plug the laptop into the wall. Most laptop batteries last about three to five hours, depending on the number of programs running on a laptop or while using your laptop. If the sony vaio laptop battery is completely stopped to refuel or for any reason ceases to hold office and you have to connect often, it probably means you have to get a new battery. Let's take things step by step, there are some things to consider before deciding to buy the battery. First you need for your laptop brand and model number. If you do not know this information you can open the battery compartment laptop while its switched off and unplugged of course. This is necessary because each laptop is designed to use only one type of battery. Then, secondly you have to decide if you use your laptop on a regular or occasional use, because if that is the case you can get a way to get a standard battery. There is always the question of whether to buy a used or a new battery. Good new is always better, but if you do not use your laptop that you can often get an old battery. Always remember that before buying a battery that should be a guarantee of at least one year. That's because the poor quality batteries usually stop working after a minimum of three months. The next thing you should look for is the type of battery. There are four main types of Ni-Cad, Ni-MH, Li-Ion and Li-poly. Ni-Cad are old laptop so not many manufacturers still make them. Ni-MH is newer and more advanced, but not as good as its Li-Ion and Li-Poly counterparts. The Ni-MH batteries are heavier than the other two, but produces less energy than the rest of them. Li-Ion and Li-Poly are the most advanced types of batteries no reason why you should try to get one of these two types, if possible. Most laptops, but not all laptops come with a dell latitude laptop battery type can not use any other type of battery that is, if your laptop comes with a Ni-Cad, should be replaced by a Ni-Cad. Now that is separated when the battery needs to buy something else to check first, nominal power. In the case of the laptop battery that is sized and mill volt amps, as they are very small in size. You should always go for the one with the most Mill amperes. Another form of classification is a battery to determine your watts per hour. This is done by multiplying the number of volts to the number of amps.