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CNFrom installation and commissioning to maintenance and software upgrades, we provide end-to-end support throughout the battery lifecycle—helping ensure reliable performance and smooth operations.
From installation and commissioning to maintenance and software upgrades, we provide end-to-end support throughout the battery lifecycle—helping ensure reliable performance and smooth operations.
Built on German engineering standards and OEM-aligned processes, we provide fast diagnostics and precise repair services to return batteries to reliable operating condition—helping reduce downtime, operating costs, and material waste.
Our safe and efficient warehousing solutions, combined with compliant recycling processes, support a more circular battery value chain—from storage and handling to recovery and reuse.
At Theta International GmbH, we believe in the power of innovative energy technologies to advance sustainable development. Founded in 2021 and headquartered in Rüsselsheim, Germany, we are committed to delivering integrated technology solutions and services for clients across the global new energy sector.
We are committed to advancing the new energy service landscape through technical expertise and customer-focused solutions. By combining innovation with close collaboration, we deliver reliable services for battery systems, photovoltaic installations, and power station operation and maintenance.
As your trusted partner for comprehensive new energy technology services, we offer a full range of solutions, including installation, maintenance, software upgrades, battery repair, and power station O&M.
We provide professional repair and maintenance services for battery systems to support reliable performance and extended service life.
Our tailored services cover the full lifecycle of photovoltaic systems, from installation and commissioning to software updates and ongoing support.
We provide comprehensive O&M services for new energy power stations, helping ensure stable, efficient, and reliable operation.
Our solutions help customers improve resource efficiency, support sustainability targets, and create long-term business value.
At Theta International GmbH, we provide specialized solutions and services for the new energy sector, covering energy storage systems, EV battery services, photovoltaic systems, and related value-added services. Our experienced technical team is dedicated to improving system performance and delivering efficient, reliable support to our customers.
Comprehensive maintenance and fault diagnosis services designed to support the safe, stable operation and optimal performance of energy storage systems.
Professional battery maintenance services designed to support battery health, reliable performance, and extended service life.
Reliable photovoltaic system services, including professional installation and technical support, designed to help ensure efficient and stable performance.
We provide a range of value-added services, including parts replacement, software upgrades, and used battery recycling in cooperation with OEM partners, helping deliver efficient and convenient support.
At Theta International GmbH, we provide specialized solutions and services for the new energy sector, including energy storage O&M, EV battery services, PV module installation, and value-added support.
Comprehensive maintenance and fault diagnosis services designed to support the safe and stable operation of energy storage systems.
Professional battery maintenance services designed to support EV battery health, reliable performance, and extended service life.
