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What happens when the UPS battery temperature exceeds 25 ° C?
An uninterruptible power supply (UPS) system is an important device that provides backup power to critical equipment, and one of the core components of a UPS is its battery. Battery performance and life are affected by a number of factors, of which temperature is a key factor. When the ambient temperature exceeds 25 ° C, it can lead to a series of negative effects. This article will explore the consequences of UPS batteries when the temperature exceeds 25 ° C.
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When the UPS battery temperature exceeds 25 ° C, the following effects may occur:
Shortened battery life
According to experimental data, for every 5℃ rise in temperature, battery life will be reduced by 10%. If the temperature exceeds 25 ° C, the battery life may be cut in half for every 10 ° C increase.
Capacity change
The discharge capacity of the battery is related to temperature, and when the temperature drops by 1 ° C, the relative capacity decreases by about 0.8%. Similarly, when the temperature rises, the UPS battery capacity will also recover.
Thermal runaway
At excessively high temperatures, thermal runaway may occur inside the battery, resulting in battery failure.
Battery explosion and fire
Charging in a high temperature environment, the temperature of the battery surface may become very high, hot the protective shell on the battery surface, and may even cause a fire.
Accelerated electrolyte loss
High temperature will accelerate the loss of electrolyte, resulting in reduced battery performance.
Internal chemical reaction intensifies
Rising temperature will lead to increased chemical activity inside the battery, generating a lot of heat energy, which in turn will increase the ambient temperature, entering a vicious cycle.
Battery capacity increases but life decreases
At high temperatures, the capacity of the battery may increase, but as the capacity increases, the life of the battery will also decrease.
CONCLUSION
Therefore, in order to ensure the normal operation of the UPS battery and extend the service life, the battery should be kept in a suitable temperature range as far as possible, and the best ambient temperature is usually recommended to be 20-25 ° C. If the temperature of the UPS battery exceeds 25 ° C, take corresponding cooling measures, such as improving ventilation conditions and using air conditioners, to control and lower the temperature of the environment where the battery resides.
UPS BATTERY SERIES
UPS (Uninterruptible Power Supply) batteries are an important component of power supply systems designed to provide stable power support for electronic devices.
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