Deeptech startup Sthyr Energy raises $1 million in seed funding from Speciale Invest and Antares Ventures to advance energy storage technology.

Jun 25, 2025•6 months ago

Amount Raised

$1 Million

Round Type

seed

ChennaiRenewable EnergyEnergy

Investors

Antares VenturesSpeciale Invest

Description

Sthyr Energy has secured $1 million in seed funding led by Speciale Invest, with participation from Antares Ventures. The company is developing Zinc-Air battery systems aimed at long-duration and seasonal energy storage. These innovative systems utilize non-flammable, water-based electrolytes for increased safety. The funding will support R&D and help scale up the product for diverse applications.

Company Information

Company

Sthyr Energy

Location

Chennai, Tamil Nadu, India

About

Sthyr Energy is a deeptech startup developing energy storage systems, particularly focusing on mechanically rechargeable Zinc-Air battery systems designed for long-duration and seasonal storage. Founded by researchers from IIT Madras, the company aims to enhance safety with non-flammable, water-based electrolytes and enables modular deployments for various applications. Their technology is poised to compete with lithium-ion batteries by delivering a levelised cost of energy suitable for extensive energy storage needs. Sthyr's innovative solutions are especially relevant in the context of increasing renewable energy penetration in India.

Related People

2 contacts

Funding Insights

Based on industry data

VC-backed spending patterns