PHiliph 3.7V Rechargeable Li Polymer Battery 830mAh 3.1Wh REF 9065 989803152881

Product Specification

989803152881 PHiliphh 3.7V Rechargeable Li-Polymer Battery 830mAh,3.1Wh REF 9065

How many years can a lithium battery generally last?

The lifetime of lithium batteries is generally 300 to 500 charge cycles. Assuming that the electricity supplied by full discharge is Q, if the electricity reduction after each charging cycle is not taken into account, the lithium battery can supply or supplement 300Q-500Q electricity in total for its lifespan. From this we know that if you charge 1/2 each time, you can charge 600-1000 times; if you charge 1/3 each time, you can charge 900-1500 times. By analogy, if it is loaded randomly, the number of times is indefinite. In short, no matter how much you charge it, it will add a total of 300Q to 500Q of electricity, which is constant. Therefore, we can also understand that the lifetime of a lithium battery is related to the total charging capacity of the battery and has nothing to do with the number of charging times. The impact of deep charging and shallow charging on lithium battery life is not much different.

In fact, shallow discharge and shallow charge are more beneficial for lithium batteries. Only when the product's power module is calibrated for lithium batteries is it necessary to deep discharge and deep charge. Therefore, products powered by lithium batteries do not have to stick to the process. Everything is convenient and can be charged at any time without worrying about affecting the service life.

If the lithium battery is used in an environment above the specified operating temperature, i.e. above 35°C, the battery power will continue to decrease, i.e. battery power time will not be as long as usual. If the device is charged at such a temperature, the damage to the battery will be even greater. Even if the battery is stored in a hot environment, it will inevitably cause corresponding damage to the quality of the battery. Therefore, keeping it at an appropriate operating temperature is a good way to extend the life of lithium batteries.

If you use lithium battery in low temperature environment, i.e. below 4°C, you will also find that the battery life is reduced and the original lithium battery of some mobile phones cannot even be charged in a low temperature environment. environment. But don't worry too much, this is only a temporary situation, different from using in high temperature environment, once the temperature rises, the battery molecules will be heated, and the previous power supply will be restored immediately.

To get the most out of a lithium-ion battery, you must use it frequently so that the lithium-ion battery's electrons are always in a state of flux. If you do not use the lithium battery frequently, remember to complete a charging cycle for the lithium battery every month and perform power calibration, that is, deep discharge and a deep load once.

The official name is "charge-discharge cycle", which is not equal to "recharge time". Cycle refers to the battery from full charge to empty. It's a cycle. If your battery is fully charged, it uses a tenth. It's one-tenth of a cycle, so charging it 10 times is basically one cycle. Similarly, from full charge, half use then full charge, then half use then full charge, it is also a cycle. At this time, you have charged twice. Therefore, the cycle only depends on "the amount of electricity discharged from the battery" and has no direct relationship with the "number of charges".

Moreover, the rated number of charge and discharge cycles does not mean that it cannot be used once exhausted, but after so many cycles, the battery's ability to store energy will decrease in a certain extent.

For example, for a lithium battery, the rated charge and discharge cycle is "not less than 60% of rated capacity after 500 cycles"

That is, after 500 cycles, the battery can only store 60% of the new battery at most, which means that the performance has dropped to a certain level, which means

There is no fixed limit on the number of charging times for lithium batteries. Generally, batteries from regular manufacturers can be charged and discharged at least 500 times, and the capacity remains over 80% of the original capacity. One charge per day can last 2 years.

Specification of Phillips 3.7V Rechargeable Li-Polymer Battery 830mAh,3.1Wh 989803152881 REF 9065

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