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Inverter Battery Buying Guide

Once you know your battery capacity or backup requirements(AH), it is offen confusing, which brand, which type should I buy the Inverter battery when you are purchasing inverter batteries and searching it online, there are couple of things, which you need consider and which are essential!

1. Types of Batteries

Battery Types Price Maintenance Battery Life
1. Flat Pate Low It requires Maintenance and frequent top up of distilled water in the battery cells Usually Lasts up to 3+ Years
2. Tubular Moderate Low it requires Minimal Maintenance and like topping up the distilled water Usually Lasts up to 4+ Years
3. Tall Tubular* Moderate it requires Very Minimal Maintenance and like topping up the distilled water twice a year! Usually Lasts up to 5-8+ Years
4. Gel Tubular High Zero Maintenance. Fit and Forgot! Usually Lasts up to 5-6+ Years
5. Sealed Maintenance Free* High Zero Maintenance. Fit and Forgot! Usually Lasts up to 3+ Years

  • *Tall Tubular Batteries: Deep Cycle batteries, this are most consistent, reliable in terms backup compare to flat plate, and it can give more power, efficiency increasing overall battery life. Approximately 1500 cycles for 80% DOD (depth of discharge)
  • *Sealed Maintenance Free: Meant for only Online UPS(High Critical Work loads) and this batteries, cant be used for Normal Inverter or UPS and Warranty is not applicable for SMF batteries, connected to Home UPS Approximately 400- 450 cycles at 80% DOD

2. Battery Warranty

In Most of the brands, Warranty has 2 components
  • 1. FOC: Free of replacement (During this period, if any of one battery cell, fails out of 6 cells, you are egilible for a Free replacement of the battery from the company
  • 2. Pro rata: In Pro rata, you have to Pay some money based on the, when the battery fails For example if a battery has 36+12 (free of cost + pro-rata) months of warranty, and it fails in the 40th month, then 75% value of the battery will be deducted from its current MRP Price And you will get 25% discount on the MRP of the newly replaced battery Powerwale Recommendation,would be dont look for Prorata, always as go for battery, which has more FOC months

Other important factors to look

  • 3. Onsite Warranty: Does the battery cover Onsite warranty and does it has Toll Free No?
  • 4. Is this battery has been in market? is it proven? for how long? are there any complaints? for eg: Exide IT 500 Battery is proven in the market since 15 years! and it is one of the best recommend battery from Powerwale.
  • 5. Last but not least, think about your Space Constraints, if any!


  • Dont go for unbranded or local brands, it can fail at any time and it releases harmful gas from cells, resulting High maintenance cost!
  • Dont prefer New brand, New Model, Unless untill it is from Exide, Amaron or Luminous
  • Dont buy Sealed Maitenance Free batteries (VRLA) as it void the warranty, if you connect this batteries to Normal UPS/Inverer other than online UPS

Common Inverter Battery Faq's

Powerwale What are deep cycle batteries?
Powerwale What is a battery cycle?
Powerwale What is a Reserve Capacity?

Related Searches:Inverter Battery Price, Buying Guide in India