Blog
327 articles on UPS, lithium battery, solar hybrid and energy storage technology.
Solar Hybrid PCU with Bluetooth
First Solar Hybrid PCU with Bluetooth based mobile application launched by Su-vastika. This is the Solar PCU with Bluetooth application which can be represented with the mobile app very easily as it has so many settings and scenarios to understand and for the common man it’s very tough to understand Solar PCU without the mobile […]
Solar Hybrid PCU Load Sharing on the Mobile App: Monitor & Control
Your solar system, in your pocket. A Su-vastika solar hybrid PCU combines UPS load management, mains-mode solar sharing and IoT connectivity — and the dedicated app makes solar PCU load sharing monitoring on mobile effortless. Watch solar, grid and battery share your load in…
India Today's Innovation of the Decade: The Story Behind the Plastic-Body Inverter
The story behind the India Today Innovation of the Decade award — how the Solar Man of India turned plastic-body inverters into a national breakthrough.
From Su-Kam to Su-vastika: The Solar Man of India's Next Chapter
From Su-Kam's Rs 1,200 crore peak to Su-vastika's resurgence — how the Solar Man of India built, lost, and rebuilt an empire.
How One Entrepreneur Changed India's Power Backup Industry Forever
How the Solar Man of India reinvented power backup — from crude metal-box inverters to smart, affordable, mass-market solutions that powered millions of homes.
The Inverter Man Who Became the Solar Man of India — Kunwer Sachdev's Journey
The Su-vastika team traces their mentor Kunwer Sachdev's extraordinary journey — from selling pens on Delhi streets to powering millions of homes with solar energy.
76 Patents That Made India's Solar Revolution — The Inventions of Kunwer Sachdev
While cataloguing old patent documents and press clippings, the Su-vastika team uncovered the full scale of what mentor Kunwer Sachdev achieved — 76+ patents that changed India's power backup industry forever.
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.
How Much Backup Will Your Battery Really Give? Use the Free Calculator Built on My Lab Tests
Brochure backup numbers fail because they ignore how batteries really behave under load. Kunwer Sachdev explains the free backup calculator at inverterindia.com, built on his own minute-by-minute discharge tests of 150Ah and 200Ah tubular batteries.
How Solar Hybrid PCU MPPT Works: 4 Real Scenarios Every User Must Know
Most solar PCU users do not realise their system has four distinct operating modes. Kunwer Sachdev — who designed Solar PCUs at Su-Kam — explains each scenario: what triggers it, how the PCU manages solar, grid, and battery together, and why Scenario 4 is the one that actually reduces your electricity bill.
Solar PCU LCD Display Messages Explained — Backup Mode, Mains Mode, Faults & Rotary Switch
The LCD on your Solar PCU is telling you something specific every time it shows a message. This guide decodes every display message — backup mode, mains mode, overload, battery low cut, high/low cut, solar mode — plus the three rotary switch positions and what they do.
Solar Hybrid PCU Wiring & Earthing Guide: Wire Sizes, Panel Config & Safety Rules
Most solar PCU problems start with the wiring — undersized battery cable, wrong MCB type, missing earthing. This guide gives exact wire sizes for every circuit, solar panel series/parallel configuration, earthing rules under IS 3043, and the DC vs AC MCB distinction that prevents fires.