One of the worst things that can happen while working on a laptop is to have your battery die mid-project. To avoid this, it's good to know how much life your battery has left in it. Most laptop computers offer a couple of ways to do this, and there are several free downloads that will put a large battery-life monitor on your screen, meaning you'll never be caught with a dead battery unexpectedly again.
Instructions
1.Look in your computer's system tray, which is in the far bottom right-hand corner of your screen, where the clock is. You should see a battery icon. If it doesn't show up automatically, click the arrows on the left-hand side of the system tray, which will expand the tray and show all icons.
2.Click the laptop battery icon for detailed information on the battery. The "Power Meter" tab will show the same information as the system tray icon; the detailed information tells you what kind of battery it is, as well as whether it is currently charging (plugged in) or discharging.
3.Place your mouse over the battery icon, but don't click. The icon itself will show roughly how much life is in the battery (half full, three-quarters full), but hovering your mouse over it will pop up a label showing exactly how much life remains in your Toshiba Laptop Battery such as Toshiba PA2487U Battery, Toshiba PA3107U-1BRS Battery, Toshiba PA3383U-1BRS Battery, Toshiba PA3384U-1BRS Battery, Toshiba PA3285U-1BRS Battery, Toshiba PA3191U-1BRS Battery, Toshiba PA3166U-1BRS Battery, Toshiba PA3331U-1BRS Battery, Toshiba PA3098U-1BRS Battery.
4.Plug in your AC adapter if the battery needs to be charged. The status in either the control panel or system tray will show that the computer is now running on AC power, and the battery is charging.
5.Go to the Control Panel if there is no icon in the system tray, or you want more detailed information on the laptop batteries. Click "Power Options" and then the "Power Meter" tab.
Many sources recommend letting a battery fully drain, so as not to shorten its "memory." However with Lithium-ion batteries, the most common type of battery in modern laptops, this is not the case. This process is specific to Windows XP. Other Windows systems may be slightly different.
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