ASUS computer battery for ASUS C21N1638 4840mAh/38WH 7.6V

ASUS C21N1638 laptop battery 4840mAh/38WH 7.6V, suitable for Asus Vivobook F442U A480U A419 F442UR Series. 100%compatible, fast shipping. 1 year warranty, 30 day money back guarantee.

Best ASUS C21N1638 4840mAh/38WH 7.6V BATTERY

ASUS C21N1638 battery

Product details:

Brand: ASUS laptop battery

Type: Li-ion-battery

Voltage: 4840mAh/38WH

Capacity: 7.6V

Replacement Battery>> ASUS C21N1638 4840mAh/38WH 7.6V

Replace the following part numbers:

ASUS C21N1638

Fits the Following Models:

For Asus Vivobook F442U A480U Series

Laptop battery usage time

The battery of a laptop can generally be used for 3-5 hours. Laptop battery maintenance and maintenance: The battery is a consumable part and will be reimbursed after hundreds of uses. Therefore, we must pay attention to maintenance and maintenance when using the notebook battery. Activation must be done when you use a new battery. The so-called activation is to fully charge and discharge the battery. Many people say that activation should be carried out 3 to 5 times. In fact, according to many experiments, it only takes 2 or 3 times, because many batteries can reach 98.6% of the rated capacity after the first full charge. The second time is generally It is possible to fully reach the rated capacity. Others said that the activation of the charge should be charged for 12 hours, in fact, it is not quite correct, because when the control circuit thinks that the battery is fully charged, the battery is terminated by the circuit, and the battery is also connected to the power supply. It doesn't make sense, but if you like to charge for 12 hours, you will know it. In addition, when your battery performance drops significantly, it can be fully charged and discharged several times, and the performance of the battery will be improved. The correct full charge and discharge method is to first turn off the power saving option in Bios, then select all of the Windows "power usage scheme" as "never", remove all hooks in the "alarm" option, when the power is left Restart the computer at about 5%, press the Pause button on the screen to display the self-test information, then turn off the screen to discharge the battery under low current until it is automatically turned off and recharged. A full charge is completed. To extend battery life, you should pay attention to energy saving in daily use after battery activation. You can select “Maximum Battery Life” in the Bios power option, and you can turn off some devices you did.

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