Batteries used for cars, buses and trucks are Auto Batteries. These batteries are designed and build to provide a very large amount of current for a very short period of time to start the vehicle?s engine. Once the engine is running, the alternator in the vehicle takes care of all of the power needs of the vehicle and also quickly charges the battery back to its full potential.
Inverter batteries are designed to provide a small amount of current consistently for longer durations of time.
All the backup power solutions, Inverters and UPS function by converting the DC current into AC current as all of our electric appliances run on AC power. UPS and Inverter batteries are also known as deep Cycle batteries as they discharged over a much longer time as compared to Auto batteries.
The design of these batteries is different.
The automotive batteries consist of large number of thin plates. This provides a large surface area of plates to react with the electrolyte to produce higher amount of current quickly.
The Inverter Batteries consist of lower number of plates which are much thinner as compared to auto batteries. The electrolyte volume of the inverter batteries is more so that the chemical reaction takes more time to produce current. This makes Inverter Batteries to provide a consistent amount of current for extended periods.
Types of Inverter Battery
Battery is a main part of an inverter. The performance and life of an inverter depends on its battery.
There are several classifications of inverter batteries. They are
1.Lead Acid Batteries
2.Maintenance Free batteries
Lead Acid Batteries: Lead acid batteries are the most common inverter batteries. These are rechargeable in nature and produce large amount of current. They are light in weight and most economical. They usually last for 3?4 years. But they require regular maintenance. The electrolyte level check and topping up has to be done regularly. They also release harmful gases during charging and discharging. So, they must be installed at a well-ventilated place in home.
Maintenance Free Batteries: Maintenance free batteries are the sealed lead acid batteries that do not require electrolyte level check and topping up. They are safer compared to normal lead acid batteries. But they are costly compared to normal lead acid batteries and have a shorter life.
Tubular Batteries:Tubular batteries are the most popular and efficient inverter batteries. They have a complex design, great efficiency, longer operational life time and low maintenance. Because of these advantages they are costly.
There are also local batteries available in the market. They have many disadvantages like poor efficiency, low safety, poor operational life time and high maintenance. By using these types of less efficient batteries will damage inverter.
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