Question about Panasonic Toughbook-19 Tablet PC

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How do you run a battery recalibration

This was suggested the computer won't hold a charge

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If the laptop battery is more than 3 - 4 years old then the battery could be worn out. Rechargeable batteries have a finite number of charge and discharge cycles and will lose their charge capacity over time, i.e. won't charge to 100% and gradually the charge reduces until the battery won't charge up at all.
OR The battery shows a 100% charge but when the adapter is disconnected the battery drops off to zero capacity in a very short time.
If the battery drops to an unacceptable charge level then the battery needs to be replaced

Posted on May 26, 2010

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Posted on Jan 02, 2017

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know of similar problems. either the cable and connection end you have or the receiving end in the tablet. can be diagnosed by getting replacement charging cable. if the problem goes away then its the cable if not it is probably the receiving end in the tablet

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1 Answer

AC adapter/charger is attached, but the battery will not charge. it doesnt even show that the battery is there


Ifthe laptop battery is more than 3 - 4 years old then the battery could be wornout. Rechargeable batteries have a finite number of charge and discharge cyclesand will lose their charge capacity over time, i.e. won't charge to 100% andgradually the charge reduces until the battery won't charge up atall. ORThe battery shows a 100% charge but when the adapter is disconnected thebattery drops off to zero capacity in a very short time. Ifthe battery drops to an unacceptable charge level then the battery needs to bereplaced.

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