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How Much is the Storage Capacity of the Lithium Battery Worth Keeping?

Aug. 26, 2021

How much is the storage capacity of the lithium battery worth keeping? Nowadays, mobile phones and laptops have become necessities in people's lives. One of the most intolerable things in life is that the batteries of mobile phones and laptops suddenly run out. More and more people are beginning to worry about improper use of batteries and reducing their life. If you want to maximize the effectiveness of lithium batteries and extend the life of lithium batteries, you need to master the correct charging method. But when the battery is not in use, how to store the lithium battery is worth the storage capacity?

How much power is stored in the lithium battery?

Solar Lighting Battery Lithium

Solar Lighting Battery Lithium

In fact, lithium batteries are not afraid of charging, but are afraid of running out of electricity. How do you say? Many batteries have a so-called "charge management IC", which prevents the battery from exploding when it is charged with a safe voltage, and it does not cause the voltage to be too low to start the charging process because of the lack of electricity. Therefore, if the lithium battery is out of power and left uncharged after a long period of time, it is likely that the voltage will be too low and the battery will be discarded prematurely. If the lithium battery is not used for a long time, it is best to retain 40% of the power.

Several factors are considered to determine the main source of this capacity:

1. Lithium-ion battery itself is self-discharged. If it is not charged, it will cause the battery to be over-discharged, which will make the lithium-ion chemical activation purity and reduce the recovery capacity.

2. If the lithium ion battery is shipped at 100% power, it will bring risks during transportation or storage, because when fully charged, lithium ion is the most active, and the safety hazard is also the biggest

3. According to the measured data of most battery factories, shipping with 50% power can guarantee its storage for more than one year, the voltage is still above 3.2V, and the recovery capacity is more than 98%.

Can reduce the number of recharges to extend the life of the lithium battery?

The current lithium battery capacity loss is calculated by charging "cycles". According to Apple's official statement, the calculation of the number of cycles is based on the cumulative percentage of each battery discharge as a charging cycle, that is, the battery starts from 0 A charge cycle is counted as 100%. If it is charged from 50% to full charge, it is considered a half charge cycle. It does not mean that one charge is one cycle. Therefore, there is no need to wait until the battery is low before charging.

Lithium batteries have no memory effect and can be recharged at any time. In order to reduce the number of recharges, deliberately using up the battery before fully recharging it will not extend the battery life, but will have a negative impact on the battery life.

In fact, lithium battery charging pays attention to "eat less and more meals", and frequent shallow charging and discharging can help extend its life.

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