Contact

🇩🇪 Contact Information

We’re happy to hear from you!
Whether you have questions about our products, installations, or potential partnerships — our team is here to support you reliably and quickly.

Customer Support

📧 support@tentekenergy.com
📅 Monday to Friday, 9:00–18:00 (CET)

Questions about product compatibility (batteries, inverters, EMS)
Application and installation guidance
Warranty and service inquiries