Reflecting on Innovation: The Baddi Factory & The Birth of Tubular Gel
Kunwer Sachdev on the Baddi factory — tubular gel battery R&D, failure analysis, and why Indian power conditions demanded a test-first culture years before launch.
We Built India’s First Grid-Feed Hybrid Inverter in 2017 — Then We Lost the Indian Inverter Industry to China
In 2017 Su-Kam shipped the first grid-feed hybrid inverter ever built and patented in India. By 2024 China holds 40% of India’s inverter imports and 46% of the utility-scale market. The story of how we got there, and what India lost.
Modular Solar Inverters: Pioneering Hybrid Solar PCUs
Modular Solar Inverters: Su-Kam Brainy S pioneered hybrid solar PCUs — buy backup today, add solar later — charge-sharing that Chinese imports could not copy.
UPS & Smart Battery Charging Technology Explained
Inverter Man of India Kunwer Sachdev explains how UPS charger design, ATC, six-stage charging and waveform quality silently decide your battery life and electricity bill.
Dr Kushant Uppal & Intellizon: The Engineering Mind Behind Su-Kam’s Lithium Solar Street Lights
How Dr Kushant Uppal and Intellizon engineered Su-Kams lithium solar street lights, the minds behind Indias off-grid lighting innovation.
BSF Posts at Indo-Pak Border Powered by Solar Energy
Kunwer Sachdev on solarizing BSF posts along the Indo-Pak border — employee families terrified, small firing across the line, and giving personal assurance before sending his team into Rajasthan.
Power Appliances Company to Develop CM’s Native Village
Su-Kam brings village solar electrification to a Chief Ministers native village, clean reliable energy for rural India.
Su-Kam’s Sun Way: The Solar Street Light With No Grid Link
Su-Kams Sun Way is an off-grid solar street light with no grid link: self-sufficient lighting for Indias streets and villages.
Su-Kam Launches Touch Screen Solar PCU: The Brainy Touch Story
The Brainy Touch story: how Su-Kam launched Indias first touch screen solar PCU and rethought the home solar inverter.
When Su-Kam Became the First Indian Inverter Company to Get CE Certification
India’s first CE-certified inverter company. Kunwer Sachdev on a week at Intersolar Europe 2011 in Munich, exporting to Spain and Portugal — and the failure of follow-through.