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What Is The Real Cycle Life Of Lifepo4 Battery

Views: 0     Author: Site Editor     Publish Time: 2022-11-20      Origin: Site


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LiFePO4 battery or lithium iron phosphate battery, which use lithium iron phosphate (LiFePO4) as the cathode material, carbon as the cathode material

And LiFePO4 battery, cycle life can generally reach more than 2000 times, some can reach 5000 times or more, under standard charging current and standard discharging current conditions. The same quality of lead-acid battery is "new six months, old six months, maintenance six months", at most 1-1.5 years, while LiFePO4 battery used under the same conditions, the theoretical life will reach 10 to 15 years. All things considered; theoretically its cost performance more than 5 times that of lead-acid batteries.

Now many teaching laboratories will use LiFePO4 battery. As LiFePO4 battery is now more and more widely used in life, so many people are very concerned about its development. The following is a brief introduction to the real cycle life of LiFePO4 battery for your understanding.

First, LiFePO4 battery have different discharge rate in different environments.

LiFePO4 battery in different environments, there will be different discharge rate, the minimum discharge rate can reach 0.5C, the maximum discharge rate can reach 10C or more, and this battery either in which the discharge rate, the process of discharge will be very smooth, the voltage is generally very smooth, almost will remain unchanged, only when the LiFePO4 battery power is over, it will appear a sharp drop in the voltage, that’s, it has very good discharge characteristics which means that its actual life is very long.

Second, LiFePO4 battery capacity under different temperature conditions.

LiFePO4 battery in different temperatures, there will be different discharge phenomenon, we turn the temperature to minus -20 ℃ ~ 40 ℃, at which point you will find that LiFePO4 battery at 23℃, the discharge capacity can reach 100%, while the discharge at 0 degrees Celsius is 78%. It means that LiFePO4 battery in different temperature conditions its discharge rate is different, so we have to estimate this description of LiFePO4 battery, it must be kept in a specific temperature region, so that the estimated results are good, but he is reflected in the extreme temperature conditions, the true life of LiFePO4 battery is still very long, can reach at 500 cycles or more.

Third, the LiFePO4 battery at zero voltage experiment.

LiFePO4 battery in zero voltage experiment, you will find that after three days the battery power is full, in such an environment continue to cycle discharge, found that its capacity change will be very small, which means that its capacity recovery is very good.

LiFePO4 battery life is not necessarily four to five times longer than lead-acid batteries or more, with the current high technology content of lead-acid batteries, the life of 5 years is no problem. And due to the problem of collapse of the graphite structure of lithium battery cathode material, even if put five years without use, it will be damaged, to avoid this, you need to charge the LiFePO4 battery each one month and can keep the battery has a longer service life.

Benergy Tech Co. Ltd is a battery manufacturer which specializes in producing advanced Lithium Iron Phosphate (Lifepo4) batteries and Lifepo4 battery packs since 2009.




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