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Fujitsu ST5021D Battery usage tips:

When you use the new ST5021D lithium ion laptop batteries at the first time, you should carry on to refresh and discharge completely 3 times. Namely the ST5021D laptop battery must be charged and discharged completely for three times, put electricity quantity to the utmost again. Not to use the Fujitsu ST5021D battery until you repeat three times.

1 Make sure the chemistry material in the computer battery being activated and the internal electricity chemical reaction of the laptop battery enter the best appearance.

2.Rechargeable Fujitsu ST5021D battery will undergo self-discharging when left unused. It should always be stored in a fully charged status and kept in a cool, dry and clean place.

3.The common charger laptop battery save the energy via the chemistry reaction, so its capacity may be influenced by the temperature, unused time, surroundings and the use times.

4.Make sure charge and discharge completely three times, if your Fujitsu ST5021D battery hasn't being used for several months, I advise you should charge and discharge fully it for three times.

5.You don't charge your battery until the energy in your battery is exhaustion. The charge and turn on electricity of the part may cause each chemistry function inside battery as a result the Fujitsu ST5021D battery function will back to decline.

6.Lastly I advise you turn on electricity depth every several months for optimize your Fujitsu ST5021D battery.

Fujitsu ST5021D battery manual

New Fujitsu ST5021D battery needs charging and discharging cycle first before the regular usage. Because battery from factory to the users' hands that exists the time differences, and the electrode materials will be its passivation for the battery of the longer time difference, which is why the purchase of new batteries need to be completely filled with charging and discharging cycle three times to eliminate electrode materials passivation, to activate laptop battery performance, to reach maximum capacity. Meanwhile, the laptop has the data transmission agreement end between battery and the computer, after the need of two or three times charged and discharged cycle, the percent of its real capacity can keep pace with the percent of content on the computer's screen. Cycle's steps: insert into computer to discharge until the shutdown, and then recharge the Fujitsu ST5021D battery, charging time must be over 12 hours, to repeat the action of charging and discharging for three times.

When using the battery for Fujitsu ST5021D, fever is a normal phenomenon, because in the process of the Fujitsu ST5021D battery pack charged and discharged, energy conversion will result in heat and at the same time the amount of heat will be transmitted to the battery. But if overheated (burning), stop using it immediately and ask for the professinonals to check.

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