4000mah Genuine Dell Latitude C840 Cp Battery Pack

In addition, many lithium battery pack failure is the result of a failure of energy-saving core

, this phenomenon can not be avoided. Because each cell battery can not be exactly to the same nature, with some slightly lower quality long after the beginning of aging, and damaged the whole (series after) the discharge curve. Interest and ability of readers to try to open the DELL Latitude C840 Battery Pack , with the help of the multimeter, the battery can quickly find repair the damaged power core (abnormal voltage). If conditions allow, according to the corresponding parameters of batteries can replace the qualified product.

Notebook battery is not charging for what reason is how laptop battery does not charge it, in the end is what causes it, let's analyze:

Battery charge does not carry electricity, 90% of the problem lies in the charger, 10% of the problem lies in the battery (excluding the number of counterfeit batteries.) Multimeter can measure DC voltage block about battery voltage, if the charging voltage is greater than 0.5V can be normal, if the voltage is less than 0.5V, or even zero, should be activated to deal with, do not throw away, 90% can be repaired. Measurement of the charger is: the battery into the charger, the current block with a multimeter (500MA) string pole piece in between the 6Cell DELL Latitude CP Battery and charger (off access), current is charge current, no current positive charge not into power, the current value is one-tenth of the battery capacity must charge into the electricity, which also rechargeable battery technology standards.

by: narcissus1990

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