User-Friendly Checklist To Buy The Best Inverter Battery


With hundreds of battery options available in the market, choosing the best inverter battery can be a daunting task. In fact, many people buy the most expensive battery thinking that higher the battery price, better the inverter battery would be. But this is not how one should choose an inverter battery. Instead one should carefully consider some very important points that help determine the right inverter battery. Let’s delve deeper to find out what these points are.

Checklist Before Buying Best Inverter Battery

1# Battery Capacity

Inverter Battery Capacity

The battery capacity of an inverter is the number of backup hours it provides – to run all your household appliances. It is measured in Ah (Ampere hours). The higher the battery capacity, the more the power backup, but it is not the only thing that matters. You need a battery that comes with a fast recharging system. So, let’s say, you live in an area that experiences frequent power cuts. In such cases, a battery that offers longer power backup and recharges quickly is required. Tubular batteries are recommended here. They provide long backup hours. 

2# Battery Type

Inverter Battery Type

Flat Plate Batteries

Flat plate batteries are ideal for areas with minimal power cuts. They are a type of lead-acid battery composed of two terminals, a positive terminal and a negative terminal. One of the major benefits of using a flat plate battery is that it charges at a high speed. Although these batteries are relatively cheap, they require regular maintenance. To ensure optimal performance, water top-up is required frequently

  • Charge at a high speed
  • Inexpensive
  • Require regular maintenance.
  • Have a shorter shelf-life as compared to tubular batteries.
  • Shorter warranty period.
  • Not built for frequent deep discharging. 
  • Shedding of active material due to acid. 

Tubular Batteries

These Tubular batteries are recommended for areas that experience longer power cuts, such as TIER 2, TIER 3, and city outskirts. Tubular batteries are manufactured with a double layer protective coating. Hence, they require low maintenance – and provide greater reliability. Although they are slightly more expensive than flat plate batteries, they ensure a longer lifespan – and a longer warranty period. They are of two types: Short Tubular Batteries & Tall Tubular Batteries.

  • Provides longer duration of power backup
  • Requires fewer water top-ups in comparison to flat plate battery
  • Less positive plate shedding
  • Provides greater reliability as compared to flat plate batteries 
  • Longer warranty periods
  • Relatively more expensive than flat plate batteries

3# Battery Warranty

 Battery Warranty

If you don’t want to be running around and changing your battery after every  few years then you should consider buying a battery with a higher battery warranty, but if you are looking at buying a budget inverter battery then you can go for a battery with a shorter warranty. The quality of the battery is the same when you go for a battery of the same brand but different warranty. Only the term life of the battery varies.

Battery Warranty has two components-

  • FOC: Free Of Cost warranty type. Under FOC, if your battery fails, you are entitled for a free replacement of the battery from the company.
  • Pro-rata: Under the Pro Rata warranty type, if the battery fails, within the pro rata warranty period. User can return the  battery and get discount (in relation to the pro rata period) on the purchase of new battery

A higher warranty period ensures the long-lasting performance of the battery. We recommend you opt for more FOC months.

Final Words

Now that you are aware of the factors to keep in mind when looking for an inverter battery, we suggest that you buy only from a well known brand that has a strong customer base and has been in the inverter battery manufacturing and selling space for more than a few years.  One such brand that you can consider is Luminous India. They have a wide range of inverter battery products and the good thing is that they are reasonably priced.  


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