3. Quit any applications and utilities that you're not using. Deactivate any scheduled tasks, if necessary.
4. Increase the amount of RAM (See Image 1).
5. Clean the battery contacts with rubbing alcohol every few months.
6. Disconnect or deactivate any accessories that you're not using (especially Wi-Fi and Bluetooth cards) when you're not connected to a wireless network or other wireless devices.
7. Use your computer's battery and power management settings. Click Start > Control Panel > Performance and Maintenance > Power Options (in Category View) or simply Start > Control Panel > Power Options (in Classic View). Select one of the available power savings modes. Portable/Laptop reduces power consumption without affecting system performance; however the Max Battery setting affects processing speed and should only be used when your processing needs are minimal, as for example, when reading documents or e-mail. (See Image 2)
Reduce the time before your computer/screen goes into Hibernation (See Images 3 & 4).
8. Recharge your battery often.
9. Defragment your hard drive on a regular basis (See Image 5).
generally speakingThe recommended storage temperature for most laptop batteries is 15C (59F). While lead-acid batteries must always be kept at full charge, nickel and lithium-based chemistries should be stored at 40% state-of-charge (SoC). This level minimizes age-related capacity loss, yet keeps the battery in operating condition even with some self-discharge. While the open terminal voltage of nickel-based batteries cannot be used to determine the SoC accurately, voltage fuel gauging works well for lithium-ion cells. However, differences in the electrochemistry of the electrodes and electrolyte between manufacturers vary the voltage profile slightly. A SoC of 50% reads about 3.8V; 40% is 3.75V. Store lithium-ion at an open terminal voltage of 3.75-3.80V. Allow the battery to rest 90 minutes after charge before taking the voltage reading.