Skip to content ⚡ NEW · Free Battery Backup Calculator — built on real lab discharge tests →
Su-vastika — A Rotomag Company
Insights

Blog

299 articles on UPS, lithium battery, solar hybrid and energy storage technology.

Page 1 of 25 · 299 articles

Kunwer Sachdev: The Solar Man of India Mentoring Su-vastika's Next Chapter
12 Jun 2026 · Su-vastika

Kunwer Sachdev: The Solar Man of India Mentoring Su-vastika's Next Chapter

Behind Su-vastika's 25+ patents stands a mentor with four decades of building: Kunwer Sachdev, the Solar Man of India — founder of Su-Kam, inventor of India's first plastic-body inverter, and the engineering mind whose life's work is archived at SolarManOfIndia.com.

Why We Built India’s First Free ERD Battery Sizing Calculator — Zero-Switch Lift Inverter Technology Explained
5 Jun 2026 · Kunwer Sachdev

Why We Built India’s First Free ERD Battery Sizing Calculator — Zero-Switch Lift Inverter Technology Explained

Su-vastika explains why we built India’s first open ERD sizing calculator at LiftInverter.com. Understand zero-switch 3-phase technology, battery sizing for SMF, Tubular and Lithium batteries, and how lift engineers can specify the right Emergency Rescue Device for any building — free, open, field-tested data from 200+ real installations.

The Next Generation of Power Backup: How Su-vastika’s Patented Technology Stacks Up Against Industry Leaders
20 Sept 2025 · Kunwer Sachdev

The Next Generation of Power Backup: How Su-vastika’s Patented Technology Stacks Up Against Industry Leaders

Choosing the Right Power Backup: A Comprehensive Comparison of Leading Inverter Brands Navigating the market for power backup solutions can be challenging with so many brands and technologies available. This comparison provides a detailed look at the key features of some of India’s top inverter brands, including Luminous, V-Guard, Microtek, Exide, and Su-kam, while also […]

What Makes a Good Inverter/UPS for Homes and Offices?
28 Jun 2025 · Updated 17 Sept 2025 · Kunwer Sachdev

What Makes a Good Inverter/UPS for Homes and Offices?

What Makes a Good Inverter UPS for Homes and Offices? In today’s world of unpredictable power supply, a reliable inverter UPS is more than a luxury—it’s a necessity. Whether you’re running a home office, managing critical household appliances, or ensuring peace of mind during outages, choosing the right UPS system can make a big difference. https://en.wikipedia.org/wiki/Power_inverter […]

Embrace the Future: Su-vastika’s Retrofit Lithium Battery
24 May 2025 · Kunwer Sachdev

Embrace the Future: Su-vastika’s Retrofit Lithium Battery

Ditch the Lead-Acid, Embrace the Future: Su-vastika’s Retrofit Lithium Battery For years, lead-acid batteries have been the workhorses of inverters and UPS systems, providing backup power and off-grid functionality. But like any outdated technology, they come with their share of drawbacks: frequent maintenance, limited lifespans, and bulky size. Specially in Solar application of offgrid and […]

Solar Hybrid PCU MPPT Based Internal Circuitry
5 Mar 2025 · Updated 24 May 2025 · Kunwer Sachdev

Solar Hybrid PCU MPPT Based Internal Circuitry

Let’s break down the internal circuitry of a Solar Hybrid PCU (Power Conditioning Unit) with an isolation transformer and UART connectivity for Bluetooth/Wi-Fi dongles. This is a complex system, so we’ll cover the major blocks and their functions. 1. Solar Input Stage (PV Array Connection) PV Array Input: Connects to the solar panels. DC […]

Installation of AI based BMS with Lithium-ion Battery
8 Mar 2025 · Updated 24 May 2025 · Kunwer Sachdev

Installation of AI based BMS with Lithium-ion Battery

Revolutionizing Battery Management: Su-vastika’s AI-Powered BMS for the Future The world is rapidly shifting towards sustainable energy solutions, and at the heart of this transition lies advanced battery technology. Lithium batteries, particularly LiFePO4 and NMC, have become the workhorses of this revolution, powering everything from electric vehicles to home energy storage systems. However, maximizing the […]

“Energy is the currency of change. With AI, we are minting a new future.”
8 Mar 2025 · Updated 24 May 2025 · Kunwer Sachdev

“Energy is the currency of change. With AI, we are minting a new future.”

Energy: The New Currency, AI the Key to Its Vault In a world increasingly driven by sustainable solutions, energy has emerged as the new gold, copper, silver, and coal—a fundamental currency of our times. Just as lithium is the “white gold” of today’s batteries, energy storage is poised to become the cornerstone of our future […]

C1, C10 & C20 Battery Capacity Explained (C-Rating Guide)
8 Mar 2025 · Updated 24 May 2025 · Kunwer Sachdev

C1, C10 & C20 Battery Capacity Explained (C-Rating Guide)

In battery technology, C1, C10, and C20 are terms used to describe the discharge rate of a battery. One can describe it as battery capacity based on the C rating as the battery capacity will vary with the variation of load applied on the battery. These ratings indicate how much current a battery can deliver […]

Choosing the Right Battery Energy Storage System (BESS)
5 Jun 2024 · Updated 6 Apr 2025 · Kunwer Sachdev

Choosing the Right Battery Energy Storage System (BESS)

a Battery Energy Storage System (BESS) can be a more economical and efficient choice compared to a diesel generator in many cases. Here’s a breakdown of the key points you mentioned: Advantages of BESS over Diesel Generators: Lower running cost: BESS uses stored electricity, which can be charged during off-peak hours or through renewable sources […]

Does Net Zero Serve Any Purpose or Just a Phrase?
2 Apr 2025 · Kunwer Sachdev

Does Net Zero Serve Any Purpose or Just a Phrase?

What is Net Zero? Net Zero refers to achieving a balance between the amount of greenhouse gases (GHGs) emitted into the atmosphere and the amount removed. This means that whatever carbon dioxide (CO₂) or other GHGs we release must be offset by actions like planting trees, carbon capture technologies, or reducing emissions through renewable energy […]

Net Zero and Its Implications for India with the Role of BESS and Su-vastika
2 Apr 2025 · Kunwer Sachdev

Net Zero and Its Implications for India with the Role of BESS and Su-vastika

Net Zero and Its Implications for India with the Role of BESS and Su-vastika 1. Understanding Net Zero Net zero refers to balancing greenhouse gas (GHG) emissions with their removal from the atmosphere, a critical goal to limit global warming to 1.5°C under the Paris Agreement. Achieving this requires decarbonizing energy systems, enhancing efficiency, and […]