Why we calibrate our rechargeable battery

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of the dell laptop battery   First post by: www.itsbattery.com

When we buy a laptop, there is a original laptop battery and operating instruction in its package. We also can find a tip there: Calibrate your laptop battery once a month. But what is laptop battery calibration and why we calibrate our laptop battery such as dell Latitude CPi battery, dell Inspiron 8200 battery, dell Inspiron 8000 battery, dell Inspiron 8100 battery, dell Inspiron 4000 battery, dell Inspiron 4100 battery, dell Inspiron 2500 battery, dell Latitude CPX battery, dell Latitude C600 battery, dell Latitude C610 battery, dell Latitude C640 battery?

Lithium-Ion battery sport a battery level meter, like an electronic "fuel gauge" or State Of Charge meter which is responsible for reading the amount of charge your device's battery holds at a certain point. Windows Mobile uses the information from those readings to display remaining battery level on your device.

Many of us may in this situation : your laptop notifies "low battery", but after a reset, power meter will show 20-30% remain, or simply the battery can be not fully charged if it indicates the actual state of the battery in about 90% but not 100%. http://www.itsbattery.com suggest you have to "calibrate the battery" when it happens like this.

Without calibration the cells of the rechargeable battery can not be reconditioned, it only allows laptop "Smart" circuitry to accurately predict the level of the battery remains at all times. Battery calibration "teach" the smart battery so you can evaluate how long the fully charged battery will last if - then shows the amount of remaining capacity.

A battery that is out of calibration, for example, a battery show that 90% of the load, in fact less capcity remain. This can be explain taht why a laptop turns off suddenly while reporting a reasonable percentage of capacity remaining. In addition, the battery in the basic Windows screen may show 0% charge remaining after only 1.5 hours use, but the battery is only six months. Actually the battery has been fully charged and used for much more than a few months before.

If you are unsure of how to calibrate the battery, this utility can run on any Tablet PC and laptop : full charge - full discharge - full charge cycle.