I hope you know that without a laptop battery, you do not have laptop notebook. Having a good laptop battery now is the key to enjoying your laptop functionability. Imagine having a laptop battery that last for 1 hour, how sad that is. But if you have a battery that can carry you for for than 5 hours, that actually sounds great. You are on the go, using your laptop outside your home, for business purposes, and other fun trips.
Now the big question is how long does your laptop battery last?
This question is really a million dollar question. Your laptop battery charge depends on the laptop type, and laptop model. There are some models that can run at a 7 hours stretch, without needing charge. There are although some factors that affects the time charge of your laptop battery. Such factors are screen size, hard drives, DVD drives, wireless network, processor type, and programs running on your laptop.
All these factors determine how active your system is, and the more active it is, the faster your battery runs down. Imagine someone playing a DVD movie, and other person using a Microsoft office tool, the DVD movie is more active, and thereby runs down your laptop battery faster.
Laptop notebook uses battery types like nickel-cadmium, lithium battery, or nickel metal hydride batteries. Today the Lithium batteries are the best in the market, and nickel batteries are no where to be found anymore.
A normal battery charge should hold for at least 3 hours, but it varies depending on the laptop use.