Why Does My Laptop Battery Doesn’t Last As long As It Used To?

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(Free-Press-Release.com) January 12, 2012 -- My laptop battery doesn’t last very long anymore. How can I tell what’s going on or wrong with it and if it needs replacing?
Laptop batteries do indeed get weaker and have limited lifespans (generally under three years but newer laptop batteries are coming out that last much longer). You don’t say how old your laptop battery is, but here are a few resources and tips to give it a checkup.

Testing and Monitoring Your Battery: Windows

Previously mentioned Battery Eater is a free Windows utility that can do a full load test on your battery and let you know how long it should last. If there’s a discrepancy between what you’re seeing from the program and actual experience, check out ways to extend your battery life (see below).Some Lifehacker readers have recommended instead BatteryBar, which comes in a free and pro version and lives in your system taskbar. It offers a visual display of your remaining battery life and keeps a history of your battery charge and discharge times so you can better gauge how long your battery will last.
Testing and Monitoring Your Battery: Mac
If you’re using a Mac, we’ve described a tip before for using the built-in System Profiler (under Applications > Utilities) and go to “About this Mac” where you’ll find information about the battery’s health in the Power section.

If you want to use a software program for monitoring your Apple laptop’s battery health, we’ve recommended iStat Menus previously. The application provides detailed battery state info as well as advanced information for other OS X system properties.

What to Look For

If your laptop battery only holds about 50% try conditioning or recalibrating the battery (below). If it’s 25% or less, consider buying a new one. Of course, also take age into account—a really old laptop battery will just need replacing.

Recalibrating Your Laptop Battery

Read more: http://www.batteryfast.co.uk/battery-technology/why-does-my-laptop-battery-last-as-short-as-it-used-to/

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