Laptop battery have a relatively short service life and are really expensive to replace. There is almost no remedy to restore the capacity of the battery one it is worn out.

Though the actual life of a laptop battery depends on the usage habit of the laptop computer, most of the laptop users often complain that their laptop batteries no longer hold the charge and that they wanted a new one. Testing laptop battery life will help you in determining the expected life of the battery, so that you can avoid unexpected battery problem while using your laptop. You can also estimate the date for ordering a new battery.

Some of the factors such as CPU utilization and screen brightness affect a laptop battery life. The criteria that affect the battery life can be used to measure battery life of all laptops. There are many free services available on Internet and from software developers that aid in testing the status of laptop battery. Some software is available to test the laptop batteries.

Some software can also estimate remaining life of the laptop battery. Laptop battery performance tests are designed to measure the expected battery life of a laptop. A battery analyzer is recommended if you need a full battery service. Gnome Power Manager is a power management tool which can display detailed battery information of your laptop.

The tool even detects and explains the problems which are responsible for causing poor performance of the battery. It also gives the details of the quantity of battery’s capacity degraded. It gives information about the original capacity of the battery in your laptop. An interesting feature of this tool is that it can give you information on the amount of power consumed by your computer at the moment.

The Cadex C7400 is a programmable battery analyzer that is capable of quick testing, charging, priming and reconditioning of the different types of laptop batteries. Lithium, nickel and lead-based Laptop battery can be quickly and easily tested using the programmable Cadex 7400 services. The Cadex C7400 analyzer uses a quick test program to measure the laptop battery health in about 3 minutes, independent of charge. The Cadex C7400 analyzer uses OhmTest program to measure the internal battery resistance.