The IL JIN Electronics India, a subsidiary of Amber Group, has entered into a definitive agreement for taking a majority stake in Bengaluru-based Power-One Micro Systems.
Incorporated in 1998, and headquartered in Bengaluru, Karnataka, originally established as a UPS manufacturer, Power-One has evolved into a leading solar inverter company, delivering a wide spectrum of products such as on-grid, off-grid, and hybrid solar inverters (1kW to 250kW), UPS systems, solar power plants, EV chargers (AC & DC), Battery Energy Storage Systems (BESS) catering to marquee public sector clients like HAL, BHEL, BEML, NTPC, PGCIL, as well as several leading private sector enterprises including Tata Group, L&T, Aditya Birla Group, Renew power and Jackson.
Power-One serves diverse customers, with more than 7,00,000 products sold across key segments including industrial, residential, data centres, heavy engineering, defence, railways, and airports. The company has a widespread PAN India network of sales and service with workforce of over 400 employees.
Power-One Micro Systems offers a strong platform to unlock avenues of operational synergies and strategic growth opportunities. IL JIN’s (Amber Group Company) extensive experience in electronic manufacturing services, operational excellence, pan-India manufacturing footprint and R&D capability will catalyse Power-One to expand its capabilities, accelerate product innovation, and strengthen its position in the Battery Energy Storage Systems (BESS), solar inverters, EV chargers, UPS and solar power plants.
Jasbir Singh, Executive Chairman and CEO of Amber Group, said, “This transaction will provide a strong foothold for Amber’s Electronic Division into the rapidly growing sector for Battery Energy Storage Systems (BESS), EV chargers, UPS and Solar inverter (on grid, off grid and hybrid) market.”
He added, “This marks a significant addition for our Electronic Division – IL JIN expanding its portfolio from Consumer Durables, Hearable and Wearable, Telecom, Automotive, Energy Meters, Defence into industrial segment. Our combined strengths will enable us to scale and innovate while increasing the local value addition of Battery Energy Storage Systems (BESS) and Solar Inverters (On Grid, Off Grid and Hybrid) in the country and achieve the larger objective of Atmanirbhar Bharat.”
Rajesh M R and Harsha Venkatesh, the promoters of Power-One Micro System, said, “This strategic partnership with Amber Group marks a pivotal moment in our journey—one driven by a shared vision to unlock powerful synergies and scale the business to new heights. By joining forces, we aim to accelerate growth, enhance capabilities, and create lasting value for all stakeholders—our team, partners, and customers alike. We remain fully committed to the company’s future and are excited to work alongside our new partners as we enter this transformative phase together.”

