Welcome to the LONGi Support and Knowledge Hub
Access expert guidance, product resources, and answers to your most common questions—all in one place. Your journey with LONGi starts here.
Product Datasheets
Technical specifications and performance metrics for each LONGi product.
Product Certificates
Quality, safety, and compliance certificates for LONGi solar products.
Installation Instructions
Step-by-step guides and best practices for proper module installation.
Warranty Documents
Coverage terms and warranty details for LONGi solar products.
Official Partner List
Profiles, certifications, and key details of LONGi’s official European partners
Frequently asked questions
Find quick answers to the most common questions about LONGi products, warranties, installation, and support
Visit our FAQ page for instant answers or get in touch with our support team for personalized assistance.
What makes LONGi solar panels different?
LONGi panels use cutting-edge technologies like HPBC and BC to deliver superior efficiency, low-light performance, and long-term durability—making them a reliable choice for any project.
What are the differences between Hi-MO 7 and Hi-MO 9?
Hi-MO 7 is ideal for utility-scale projects with high-efficiency bifacial performance. Hi-MO 9 features HPBC 2.0 technology, offering even higher output and improved aesthetics for premium use cases.
What warranty do LONGi products come with?
LONGi provides a 12-year product warranty and a 25–30-year performance warranty, ensuring peace of mind and lasting value for your solar investment.
Are LONGi panels compatible with all inverter systems?
Yes, LONGi panels work with most major inverter brands. It’s always best to consult your installer or LONGi partner to confirm system compatibility.
How can I become a LONGi partner or distributor?
Visit our “Contact us” page to connect with the LONGi team. We’ll help you get started with onboarding, technical support, and access to our global network.