Exponent Energy is a Bengaluru-based electric mobility technology company founded in 2020 by Arun Vinayak and Sanjay Byalal Jagannath, both former Ather Energy executives. It develops integrated battery packs, rapid-charging stations, battery management systems and charging software for electric vehicles. Its e^pack batteries and e^pump charging stations are designed to enable a full charge in approximately 15 minutes using conventional lithium iron phosphate cells. The company focuses on commercial electric vehicles, including three-wheelers, buses and fleet vehicles. It also operates a charging network and has expanded into vehicle retrofitting through Exponent OTO and commercial EV financing through Exponent ONE. Its customers include vehicle manufacturers, fleet operators and commercial drivers. Exponent reports more than 2,000 vehicles using its technology, over 162 charging stations and more than 315,000 charging sessions.
Exponent Energy offers opportunities to develop electric mobility products involving batteries, charging infrastructure, embedded systems, power electronics and software. Its technology enables approximately 15-minute charging, and the company reports over 2,000 vehicles using its systems and more than 315,000 charging sessions. It raised Rs 200 crore in June 2026, with backing from investors including TDK Ventures, 360 ONE Asset and Lightspeed. Partnerships with vehicle manufacturers provide opportunities to work on commercial EV applications. Software roles involve Python, React and React Native, while engineering positions cover battery management, embedded systems and simulation. The company advertises opportunities for end-to-end product ownership and collaboration across hardware, firmware and software teams. Candidates should verify compensation, benefits and working arrangements during recruitment.
Backend Development
Frontend Development
Mobile Development
Web Framework
Engineering and Numerical Computing
Model-Based Design and Simulation
Embedded Software Development
CI/CD
CI/CD
Co-founder and CEO of Exponent Energy. An IIT Madras alumnus, he previously spent approximately seven years at Ather Energy, where he was a founding team member and Chief Product Officer. He co-founded Exponent Energy in 2020 to develop integrated battery and rapid-charging technology for electric vehicles. He leads company strategy, product development, partnerships and expansion.
Co-founder of Exponent Energy alongside Arun Vinayak in 2020. Previously worked at Ather Energy in hardware strategic sourcing and battery cell strategy and at Hindustan Unilever in supply chain operations. He contributed to the company's early development, operations and charging network expansion. In May 2026, Exponent confirmed his transition out of his operating role into an advisory capacity.
Finance executive and Chartered Accountant who joined Exponent Energy in 2024. Previously held senior finance and strategy roles at WOW Skin Science, Avail Finance, Ather Energy, Flipkart and KPMG. He is responsible for financial strategy, capital planning, fundraising support and financial operations.
Operations leader who joined Exponent Energy in 2024. Has more than two decades of professional experience, including previous roles at SKF India and Ather Energy. Responsible for operational capabilities supporting the company's electric mobility and energy technology business.
After-sales and automotive operations leader who joined Exponent Energy in 2024. Has extensive industry experience, including previous roles at Motherson Group and Autorent Group. Leads after-sales operations supporting Exponent's vehicles, charging technology and customer service requirements.
Business development and strategic partnerships executive who joined Exponent Energy in 2023. Previously worked at Ola Fleet Technologies and Network18. His responsibilities involve partnerships, corporate development and commercial opportunities supporting the company's expansion.
Moneycontrol
Exponent Energy raised Rs 200 crore, approximately US$21.1 million, in a funding round co-led by 360 ONE Asset and TDK Ventures. Hitachi Ventures participated alongside existing investors. The company plans to use the funding to expand into new cities and commercial vehicle categories and strengthen research and development.
Read articleInc42
Co-founder Sanjay Byalal Jagannath transitioned out of his operating role as Exponent Energy reorganized its leadership. The company described the restructuring as part of Exponent 2.0, encompassing battery technology, charging infrastructure, mobility services and financing. Jagannath moved into an advisory capacity.
Read articleThe Economic Times
Atul Auto and Exponent Energy announced a partnership to develop and deploy rapid-charging electric passenger three-wheelers. The companies aim to introduce 15,000 vehicles over three years, integrating Exponent's battery technology, powertrain systems and charging infrastructure. The target represents planned deployment rather than completed deliveries.
Read articleThe Economic Times
Exponent Energy launched Exponent ONE, a financing and asset management venture focused on commercial electric vehicles. The venture raised US$2 million in pre-seed funding from AdvantEdge Founders. It aims to make electric vehicle ownership more accessible through financing solutions informed by vehicle and battery operating data.
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