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The Effect Of Charging Times On The Charge Treasure

- Oct 13, 2017 -

Influence factor 1; The number of rechargeable times discharge depth = Total charge cycle completion times, the higher the total charge cycle, the higher the lifetime of the battery, the number of charges * discharge depth = actual battery life (ignoring other factors)


Impact Factor 2: Overcharge, overcharge, and large charge and discharge current

Avoid overcharge the battery, any form of lithium-ion battery will cause the battery performance is seriously damaged, and even exploded.

Avoid deep discharges below 2V or 2.5V, as this will permanently damage the lithium-ion battery. Internal metal plating may occur, which can cause a short-circuit, making the battery unusable or unsafe.

Most rechargeable Po-custom Lithium-ion batteries have electronic circuitry inside the battery pack, if the battery voltage is less than 2 when charging or discharging. 5V, over 4.3V or if the battery current exceeds the predetermined threshold, the electronic circuit will disconnect the battery.

Avoid large charge and discharge current, because large electric current exerts excessive pressure on the battery.


Impact Factor 3: overheating or supercooled environment

Remind everyone that the temperature of lithium battery life also has a greater impact. Freezing temperatures may cause lithium batteries to burn in the twinkling of an electronic product, while overheating will reduce the battery's capacity. Therefore, if the laptop long-term use of external power and do not take down the battery, the battery is long-term in the high fever of the Notebook, will soon be scrapped.


Influence factor 4: Long time full power, no electricity state

The high and low power status negatively affects the life of lithium batteries. Most of the times of repeated charges identified on the sale of electrical appliances or batteries are based on the test of discharge 80%. Experiments have shown that for some laptops, lithium batteries often let the battery voltage exceeds the standard voltage of 0.1 volts, that is, from 4.1 volts up to 4.2 volts, then the battery life will be halved, and then increase 0.1 volts, the life reduced to the original 1/3; the more full the battery is recharged, the more the battery will be consumed. Long-term low power or no electricity status will make the battery internal resistance to electronic movement is increasing, resulting in smaller battery capacity. Lithium batteries are best placed in the middle of electricity, which is the longest battery life.


From the above can be summed up the following points can be extended lithium battery capacity and life-time considerations.

If you use an external power supply for your laptop for a long period of time, or if the battery is over 80%, remove the battery immediately. Normal charge does not need to fill the battery, charging to about 80%. Adjust the operating system power options, the power alarm to more than 20%, usually the minimum battery power should not be less than 20%.

Small electronic devices such as mobile phones, rechargeable batteries should immediately disconnect the power cord (including the charging function of the USB interface), the connection can damage the battery. Always charge, but don't have to fill the battery.


Be sure not to run out of batteries (automatic shutdown), whether for laptops or mobile phones. If you want to travel, you can fill the battery, but at any time under the conditions allow the electrical charge. Use more intelligent power-saving operating systems.


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