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
📞 +49 15754128641 / +49 17630649747
🕒 Monday – Friday, 9:00 AM – 6:00 PM (CET)

Company Headquarters : 

Company Name: TENTECH ELECTRONIC TECHNOLOGY CO., LIMITED
Address: Flat/RM 705, 7/F, Fa Yuen Commercial Building, 75-77 Fa Yuen Street, Mong Kok, Kowloon, Hong Kong 999077

EU Warehouse & Service Center:
Address: Teilungsweg 28, 45329 Essen, Deutschland

Our team typically responds to all inquiries within 24 hours on business days.

We can assist you with:
• Product compatibility (batteries, inverters, EMS)
• Application and installation guidance
• Warranty and after-sales service inquiries