If a battery is consistently charged outside of these parameters, it can cause significant damage. Improper float voltage – Every battery manufacturer will specify the charging voltage ranges for their own cell design. However, each discharge and subsequent recharge slightly reduces the capacity of the battery.Ĥ. When a battery is installed, it is at 100 percent of its rated capacity. Over-cycling – After a UPS operates on battery power during a power failure, the battery recharges for future use, an event called the discharge cycle. Routine maintenance checks can help detect thermal hotspots and verify proper ventilation.ģ. As a general rule, for every 15☏ above the recommended ambient temperature, the expected life of the battery is reduced by 50 percent. Any variation, but especially increased temperature, can affect performance and lifespan. High ambient temperature – The rated capacity of every battery is based on an ambient temperature of 77☏ (25☌). You can also prolong your unused battery’s storage life by storing it at a temperature of 50☏ (10☌) or less.Ģ.
If you don’t, you could see a permanent loss of capacity in as little as six months. To prolong a battery’s storage life, we recommend you charge it every three to four months of storage. That’s because lead-acid batteries automatically discharge small amounts of energy. Poor storage of unused batteries – Even as a battery sits unused, its lifetime begins to decrease. However, avoiding the following mistakes can help ensure a maximum lifespan.ġ. Nothing can be done to prevent a battery from eventually reaching its end-of-service life. Factors that Cause Premature Battery Failure These are the primary mistakes to avoid to stretch the most life out of your UPS’s battery. However, there are a number of environmental, chemical and user-related factors that can substantially affect a battery’s life. The general service life of a standard Valve Regulated Lead Acid (VRLA) battery is three to five years. No matter how well you maintain, store and use your batteries, they will still require replacement when they have reached their end of life. UPS batteries are electro-chemical devices whose ability to store and deliver power slowly depreciates over time. We’re going to run through the top five causes of premature battery failure and how you can prevent it.
But despite batteries’ vulnerability to premature failure, you don’t have to be a victim. Five Leading Causes of UPS Battery Failureīattery failure is the leading culprit behind the majority of UPS catastrophes.
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