Friday, January 15, 2010

How to Prolonged Your Notebook Battery Life

There are many question about battery especially for laptop user (and many of them giving wrong suggestion) and it still being a mystery.

[image taken from]

These are simple steps (from reliable source) about how to prolonged our notebook battery
  1. New laptop suggested to do 3 full cycle, means you need to charge to the fullest and use it until empty three times. After this process, you should do step number 2.

  2. Do not keep your battery capacity until really-really empty and do not charge to the fullest (100%). Several partial discharges with frequent recharges are better for lithium-ion than one deep one. Recharging a partially charged lithium-ion does not cause harm because there is no memory. (In this respect, lithium-ion differs from nickel-based batteries.) Short battery life in a laptop is mainly cause by heat rather than charge / discharge patterns.

  3. Do a calibration by applying a full discharge once every 30 charges. Running the pack down in the equipment does this. If ignored, the fuel gauge will become increasingly less accurate and in some cases cut off the device prematurely.

  4. Keep the lithium-ion battery cool. Avoid a hot car. For prolonged storage, keep the battery at a 40% charge level.

  5. Consider removing the battery from a laptop when running on fixed power. (This is a huge risk if you have unstable power voltage, only use this steps if you have an UPS with you)

  6. Avoid purchasing spare lithium-ion batteries for later use. Observe manufacturing dates. Do not buy old stock, even if sold at clearance prices.

  7. If you have a spare lithium-ion battery, use one to the fullest and keep the other cool by placing it in the refrigerator. Do not freeze the battery. For best results, store the battery at 40% state-of-charge.
Enjoy! :)

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