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Technical Article

Inmetro certification in lithium batteries for off-grid photovoltaic systems

Measure aims to certify a product's compliance with standards and ensure durability and projected useful life

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Image: SEC Power/Reproduction

Inmetro (National Institute of Metrology, Quality and Technology) is a Brazilian institution responsible for establishing quality and safety standards for a wide variety of products.

In the context of renewable energies, NBR 16.767 of September 2019 defines general requirements and test methods for elements and stationary batteries used in photovoltaic systems not connected to the electrical grid (off-grid).

What is Inmetro and NBR 16.767?

Inmetro, as a regulatory body, aims to ensure that products available on the market meet specific criteria, providing safety and quality to consumers.

NBR 16.767, in turn, establishes precise guidelines for stationary elements and batteries, ensuring that they meet the essential requirements for efficient application in off-grid photovoltaic systems.

When certifying equipment for off-grid photovoltaic systems, Inmetro's main concern is to ensure that these products meet electrical safety, durability and energy efficiency standards.

This includes checking compliance with the specifications of the NBR 16.767, ensuring that the lithium batteries, essential components in these systems, are safe, reliable and efficient.

Importance of attesting durability and life projection

Inmetro certification not only attests to a product's compliance with standards, but also guarantees durability and projected useful life.

In off-grid photovoltaic systems, where energy autonomy is crucial, choosing certified batteries provides greater confidence in the equipment's resistance over time. This not only reduces maintenance costs, but also contributes to the sustainability of the system.

Guaranteed return on investment with certified equipment

Investing in equipment certified by Inmetro for off-grid photovoltaic systems is more than a compliance choice – it is a guarantee of return on investment.

Certification ensures that products meet established standards, resulting in consistent performance, reducing operational risks and increasing system efficiency over time.

Life projection of lithium batteries and their impact on the off-grid photovoltaic system

The lifespan projection of lithium batteries certified by Inmetro plays a fundamental role in boosting off-grid photovoltaic systems.

By ensuring a longer and more reliable lifespan, these batteries contribute to the operational stability of the system, reducing the need for frequent replacements and optimizing long-term investment.

Inmetro certification in lithium batteries for off-grid photovoltaic systems is not just a regulatory measure, but a strategic choice for consumers and investors.

Ensuring compliance with NBR 16.767 not only promotes product safety and quality, but also boosts the efficiency and sustainability of off-grid photovoltaic systems, consolidating itself as a fundamental piece in the development and growth of renewable energy in Brazil.

Watch: Energy storage – its characteristics and real cases

Jarlan Lopes
About the Author
Jarlan Lopes

Applications Engineer at SEC Power. Specialist in stationary batteries VRLA-GEL, VRLA-AGM, OPZV and OPZS, I have 9 years of experience in projects for telecommunications systems and UPS. With more than 17 years of experience in electrical installations and infrastructures, he has expertise in developing calculation records and interconnections for batteries, achieving a balance between costs and meeting technical and electrical needs.

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