Introduction
If you’re a solar distributor, EPC, or integrator, you’ve likely considered sourcing OEM or ODM PV combiner boxes. But which is the better option for your brand and business model?
Definitions
OEM (Original Equipment Manufacturer): You provide the design; the factory produces it under your brand.
ODM (Original Design Manufacturer): The factory offers its standard design, which you rebrand or slightly customize.
When to Choose OEM
You have a unique system architecture
You want full control over materials, layout, and features
You need exclusive rights or patents
You’re targeting government or large-scale projects
When to Choose ODM
You want to start quickly with minimal R&D
You need small MOQs or faster lead times
You’re testing a new market
You prioritize price competitiveness
Customization Options
Branding/logo printing
Shell material and color
Number of input strings
Communication protocols (RS485, Ethernet)
Smart monitoring integration
Tips for Choosing a Reliable Supplier
Request factory certifications (ISO9001, UL, CE)
Visit the production line or request video proof
Check if fuses, SPDs, and breakers are branded
Evaluate after-sales service and customization flexibility
Conclusion
OEM and ODM both have their place in the solar supply chain. The right choice depends on your project scale, brand strategy, and time-to-market needs.
