Thursday, February 10, 2011

Test your laptop’s battery life – Use a free program to test the power of your laptop battery

Battery Eater is a simple, free tool that measures the performance of a laptop battery while running a variety of real-world tasks. The report it produces can help plan a working day. Here’s how to download, install and use it. Visit the Battery Eater home page.
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When the website appears click the Downloads link at the top of the page followed by the download link for the latest version of the program (2.7 at the time of writing). If the File Download Security Warning dialogue box appears, click Save and then choose a location for the downloaded file. Firefox users should select Save File to save the download to Firefox’s default download folder.
Once the download is complete, right-click the file and choose Extract all, accepting the default location. Tick the box marked ‘Show extracted files when complete’ and click Extract. In the new folder that opens, double-click the file named BEPro.exe. When asked if you want to run this software, click Run. Battery Acer as07b41 battery Acer as07b51 battery Eater launches and shows the current   battery status and whether the power supply is connected or not.
Now connect the power and wait until the battery status is reported as High – there’s no point testing a partially discharged battery. Few laptops will have a second battery fitted, so don’t worry if Battery Eater reports that the second battery is disconnected. Tick the box marked ‘Begin test when disconnecting AC’ and, when the battery is fully charged, unplug the power cord from the laptop to begin the test automatically.

The default test is designed to give the laptop some heavy processing. It begins by displaying an animated three-dimensional picture of a battery hp nc8430 battery that moves around. This makes the laptop’s processor and graphics hardware work hard for a sustained time. The idea is to find out how long the battery will last if the laptop is working at its hardest. This will provide a result for the minimum expected battery life. Leave the program running until the laptop shuts down. Battery Eater saves its results in a log file.
It’s possible to carry out less-intensive tests that will give a better idea of battery life under more realistic conditions. Recharge the battery and launch the program again. This time choose Options from the main screen. Next to Benchmark mode, choose Reader’s test from the dropdown menu. Click ‘Load text’ at the bottom and browse to any text file to use for the test (if need be just create and save one using Notepad). Click OK and run the test as before.
The Reader’s test mode loads the selected text file and scrolls through it repeatedly until the battery runs down.
This gives a good idea of battery Hp hstnn-ib44 battery Hp pavilion dv7 battery life under a low load. Recharge the battery, restart the program and return to the Options page. This time select the Idle test and run it. This provides a gauge of battery performance when the laptop’s not in use. Restart the program and choose Info from the main screen. This shows basic information about the laptop and its hardware.

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rowse to the folder that holds the BEPro.exe file, launched in Step 1. Look for a subfolder named with today’s date. Right-click it and choose Open in new window. This includes a file called ‘log.txt’ and another one called ‘Discharge.beg’. Click and drag this file onto the BEPro.exe file in the folder above. This launches Battery Eater again and generates a report based on the last test that opens in the default web browser. This includes a graph that shows how the battery Acer as07b41 battery performed during the test.
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