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Is there an age limit for UPS system battery?

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Is there an age limit for UPS system battery?

Is there an age limit for UPS system battery?


The lifespan of UPS system batteries depends on environmental temperature and discharge cycles.


To maintain optimal battery lifespan, it is recommended to operate within a temperature range of 15-25 degrees Celsius. High temperatures and deep discharges can shorten the battery's lifespan. If the battery is not used for an extended period or there is no utility power input for a long time, it is advisable to perform a discharge and recharge every two to three months. For usage in higher temperature environments, it is suggested to discharge and recharge every two months, with each recharge lasting no less than 10 hours to ensure sufficient capacity.


For UPS systems with built-in lead-acid batteries, which have smaller battery capacities, the typical battery lifespan is within three years. To ensure the normal operation of the UPS system, it is recommended to replace the batteries every 1-2 years based on specific usage conditions. If the battery's condition deteriorates before the expected lifespan, early replacement is necessary, and it should be performed by a professional to ensure safety.


For UPS systems with external lead-acid batteries, which have larger battery capacities, the degradation is relatively slower, and their lifespan is generally between 3 to 5 years. It is recommended to replace it every 3 years or so, depending on the specific usage.

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