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What Are the Factors for Using Lithium-Ion Batteries in UPS Systems?
by Kristen White BloggerThe lithium-ion batteries are known for their higher energy density that allows a smaller size and lightweight. In fact, they weigh half of a comparable VRLA or Value-Regulated Lead Acid batteries. When compared to their conventional counterparts, Li-ion batteries offer longer run time and can be recharged much faster rate. Mostly, these batteries are used for custom UPS systems that are designed for highly specialized applications. In the recent times, a surge in the sales of electronic devices has led to increasing popularity of lithium-ion batteries. When looking for installation of a lithium-ion UPS system, there are many precautionary points to be considered. Here, they are:
The Maintenance Required by Batteries:
These batteries require very low maintenance when compared to their other counterparts. They do not have a liquid level that must be regularly checked nor is there a battery memory that must be maintained. Also, they do not require battery cycling at periodic intervals to calibrate their runtimes. The UPS systems with this battery can work for a much longer time without any battery replacements.
The Cooling Requirements of Batteries:
When the temperature rises, these batteries undergo a degradation in their cycle life. Here, lithium-ion UPS systems have an advantage over other types. They can withstand the high temperatures as well. These batteries are designed for higher average temperature ratings. They can complete their specified cycle life even when operating at these temperatures. The capacity of these batteries increases when ambient temperature rises. However, it depends on several factors like discharge rate, temperature, and thermal handling capabilities of the system. Usually, they do not require any cooling for maintaining their cycle life for most of the UPS applications.
The Recyclability of Battery:
Lithium-ion batteries are recyclable. Mostly, the small batteries are collected and recycled. However, a majority of their components end up in the landfills. This process is done to extract the lithium metal from the batteries. Recycling of the larger batteries is considered to be a complicated task. There are safety hazards and they require manual processing to remove the important parts.
The Need for Battery Management System:
There is an advanced battery management system included in every Li-ion UPS system. These batteries are prone to overcharging, shorting, and discharging sooner. With a management system, it becomes easier to monitor the battery cell for controlling its charging system. It helps in ensuring that these conditions do not lead to damages or overheating of the batteries.
The recharging time of these batteries is more efficient than lead acid batteries. When going from 80% charging level to 100% level, Li-ion batteries have better charging efficiencies. They can reach the state of charge in about 30 minutes to an hour.
These are some important points to use Li-ion battery UPS.
The Maintenance Required by Batteries:
These batteries require very low maintenance when compared to their other counterparts. They do not have a liquid level that must be regularly checked nor is there a battery memory that must be maintained. Also, they do not require battery cycling at periodic intervals to calibrate their runtimes. The UPS systems with this battery can work for a much longer time without any battery replacements.
The Cooling Requirements of Batteries:
When the temperature rises, these batteries undergo a degradation in their cycle life. Here, lithium-ion UPS systems have an advantage over other types. They can withstand the high temperatures as well. These batteries are designed for higher average temperature ratings. They can complete their specified cycle life even when operating at these temperatures. The capacity of these batteries increases when ambient temperature rises. However, it depends on several factors like discharge rate, temperature, and thermal handling capabilities of the system. Usually, they do not require any cooling for maintaining their cycle life for most of the UPS applications.
The Recyclability of Battery:
Lithium-ion batteries are recyclable. Mostly, the small batteries are collected and recycled. However, a majority of their components end up in the landfills. This process is done to extract the lithium metal from the batteries. Recycling of the larger batteries is considered to be a complicated task. There are safety hazards and they require manual processing to remove the important parts.
The Need for Battery Management System:
There is an advanced battery management system included in every Li-ion UPS system. These batteries are prone to overcharging, shorting, and discharging sooner. With a management system, it becomes easier to monitor the battery cell for controlling its charging system. It helps in ensuring that these conditions do not lead to damages or overheating of the batteries.
The recharging time of these batteries is more efficient than lead acid batteries. When going from 80% charging level to 100% level, Li-ion batteries have better charging efficiencies. They can reach the state of charge in about 30 minutes to an hour.
These are some important points to use Li-ion battery UPS.
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About Kristen White 
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285 connections, 0 recommendations, 1,021 honor points.Joined APSense since, August 19th, 2016, From Chicago, United States.
Created on Dec 6th 2017 04:30. Viewed 533 times.
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