su-kam

The Birth of Home UPS — Sine Wave, Solar Home Lighting, and a Category India Adopted
Blogs

India’s First Sine Wave Inverter & Birth of Home UPS (Part 4)

Between 2002 and 2005, Su-Kam launched three innovations that rewrote India’s power backup industry: the first DSP sine wave inverter (with Jagdeep Chauhan), the Solar Home Lighting System, and the ‘Home UPS’ — a new product category that the entire industry adopted within a year. Also: the first BEE 4-star inverter and how an airplane overhead panel inspired our LED indication system.

India's First Plastic Inverter — How a Plastic Body Turned Backup Power into a Living-Room Appliance
Blogs

India’s First Plastic Inverter & Innovation of the Decade (Part 3)

A customer’s daughter got shocked by a metal inverter. That incident led Kunwer Sachdev to create India’s first plastic-body inverter — the CHIC — which India Today called ‘Innovation of the Decade’. This is also the story of the Fairy Queen, an inverter shaped like a locomotive engine that tragically failed because of one small packaging mistake.

The Rude Technician & Exploding MOSFETs — How an Insult and a Garage Lab Sparked India's Inverter Revolution
Blogs

A New Beginning With Inverters — How a Rude Technician and Exploding MOSFETs Built Su-Kam (Part 2)

In 1998, a rude service technician told Kunwer Sachdev he wouldn’t understand inverter technology. That insult sparked two years of R&D, exploding MOSFETs, and the birth of India’s first MOSFET-based single-battery inverter. Featuring original photos of the first Su-Kam inverter, the Times of India ‘Digital Wonders’ article, and the R&D lab where it all happened.

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