The Most Efficient Off-Grid Solar Battery Lifespans

The lifespan of a solar battery in an off-grid solar system can vary depending on several factors, including the type of battery technology, usage patterns, maintenance. Here are some estimates for the lifespan of different types of solar batteries:

Lead-acid batteries: Lead-acid batteries, are commonly used in off-grid solar systems. These batteries typically last around 5 to 10 years. However, these estimates can vary based on the specific battery brand, maintenance practices, and depth of discharge. Lead acid battery is one of the highest selling batteries in solar system. It can relate to any inverter and provides up to 4-5 hours of power backup during the power outages, it stores a power of 1800 watts when it is fully charged. 

It has many advantages like:-

  • Low maintenance with Topping up Frequency once in 8-10 months.
  • Self-discharge rate – 3% per month @ 27˚C
  • life expectancy of the battery is 8-10 years.
  • Comes with 5-year warranty.

Lithium-ion batteries: Lithium-ion batteries, are becoming increasingly popular for off-grid solar systems due to their higher energy density and longer lifespan. Well-maintained lithium-ion batteries can last anywhere from 10 to 15 years or even more, depending on the specific battery chemistry and usage patterns.

Loom Solar's has developed a "CAML 100 Ah/48 Volt lithium battery" for home and commercial use in solar system. It is come with 5 year warrenty and it's capable for runs multiple appliances of home like lights, fans, TV, fridge, washing Machine, Inverter AC, water motor, geyser, grinder, juicer and many more appliances up to the power of 5000 watts. The lithium battery price is Rs. 1,50,000. 

It has many advantages like:-

  • Charging within 2-4 hours only
  • Zero maintenance
  • Self-discharge rate – 5% per month @ 25˚C
  • Higher AH Efficiency– 100%.

When considering a solar battery for an off-grid system, it's advisable to consult with solar professional for a better understanding of the expected lifespan and performance of the specific battery model you are considering.

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