Most of today’s notebook computers are powered with lithium-ion batteries

During his working life, rechargeable batteries in a laptop repeatedly recharged after being emptied. Charging is done by applying externally supplied electrical current through an adopter. The electrical current enters the battery and reverses the chemical process occurring in the battery while in use. Devices for supplying this case they are called portable battery charger (adapters).

Most laptops today are powered by lithium ion batteries. Portable Rechargeable batteries have a tendency to self-discharge. This means that the discharge even when not in active use. The automatic download process accelerates at higher temperatures. It is not advisable to leave it unused for a long time due to the bad life ...


Good condition, Li-ion laptop battery can usually provide about 500 discharge / charge cycles, equivalent to 2-3 years of service, from the time when the battery passes through the production process. As a battery is put into regular use, loss of capacity occurs as a result of increased internal resistance caused by cell oxidation. Finally, the resistance is so high that the laptop battery can not supply the energy needed for the notebook, even though energy is still present in the battery. This usually marks the end of the life of a laptop battery. It is believed that there are no resources to restore the capacity of the battery when it is done. Heating the battery to improve its performance only temporary and can not be considered a long-term solution.

There are many free tools available on the Internet and software developers to aid in the testing of battery status. A typical utility constantly revises its estimate of remaining battery life, measuring the time it takes to run down. These utilities are especially useful when the batteries read 100 percent when fully charged, but only run a few minutes before they are empty. A precise energy center would show a rate of 100 percent, but also show five minutes of time remaining.

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