Laptops are nice, but their batteries never seem to last long enough. Even with recent technological improvements, laptop batteries seem to run out at the most critical and inconvenient times. Laptop batteries are also pretty expensive; so many users can’t afford the luxury of purchasing backups. Vehicle adapters are similarly expensive and oftentimes there is no accessible power outlet to plug in the laptop’s AC adapter. Besides, the beauty of having a laptop is that it can be used anywhere, right?
With repeated charging cycles (especially when the cycles are short) the laptop batteries lose sync with the battery power meter inside Windows. This often leads Windows to misrepresent the amount of power remaining. By calibrating your laptop battery, you can make sure you get maximum battery life and the most accurate representation of battery life from Windows.
Most people probably never calibrate their laptop’s battery even though major manufactures such as Hewlett Packard (HP) recommend that laptop batteries be calibrated once every three months. Although you should check with the manufacture of your notebook for specific calibration advice, the procedure listed here can help.
1. Disable Windows power management. You can access the power management settings by right clicking on the battery icon in your system tray, through Control Panel, or through the system screen saver menu when you right-click on the Windows desktop. The settings are similar and accessible in similar ways across all recent Windows versions. Visit support.microsoft.com to get more help with this if you’re unable to do this yourself.
Once you access Windows’ power management settings, take note of the current settings and then select the “Always On” profile and choose “Never” for all the power scheme’s options. Be sure to save these settings.
2. Charge the battery to 100% capacity. This is done by plugging in the laptop’s AC adapter and connecting it to the laptop. Check the battery meter in the system tray to make sure the battery is fully charged before proceeding.
3. Drain the battery. Disconnect the AC adapter from the laptop computer and allow the computer to run until it automatically shuts off.
4. Recharge the battery. Plug in the laptop’s AC adapter and connecting it to the laptop.
5. Reset Windows power settings. Go back into the Windows power management settings and set the power scheme back to its original settings. Usually, laptops are set for “Portable/Laptop.” Be sure to save these settings else, your system will run through battery power too quickly.
Once these steps are completed, your battery should be completed.
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