DELL Vostro 1220n Vostro 1220 P649N Battery

Tips to ensure optimal battery life
Use the AC adapter whenever possible, but not all the time.
Set the Windows Power Management settings to maximum savings.
Lower the brightness setting and DELL Vostro 1220n Battery on the screen backlight.
Disconnect any unused devices (e.g., modems, wireless LAN cards, USB devices) when not needed.
Disable Auto Insert Notification on the CD-ROM.
Disable automatic formatters, spell checkers, autorecalculate and autosave features.
Add more RAM memory to lower disk access time.
If you have a backup battery, use it in rotation with the current battery.
Use the Suspend or Hibernate feature when taking a break.
Fully drain and recharge DELL P649N Battery  every couple of months, this helps to recalibrate the smart electronics even if the cells are fine.
Minimize the number of programs running at the same time.
Check the power save settings under the BIOS. If this is not enabled then the Windows Power Management settings may not work properly.
If you are taking the battery out to store it, make sure it has atleast 40 - 50% charge. DO NOT fully charge it or discharge it before storage.
Use less processor intensive programs when possible (e.g. WordPad instead of Word).
Minimize game play and DVD viewing.
Clean the battery contacts with a cotton swab and rubbing alcohol. This helps maintain a good connection between the DELL Vostro 1220 Battery  and the device.

To knwo more details, feel free click this link as follow:

http://www.love-battery.com/index.asp