
Provider of energy storage and power supply connectors, with three product lines trusted by OEMs.
High-current terminals, quick-connectsystems, and UL 4128 certified BESsconnectors. Rated up to 300A/ 1500V DC.
Learn moreBar-type screw fastening, through-holeconnectors, and binding posts for powerdistribution and industrial control panels.
Learn moreStretchable handles, waterproof sockets,DIN rail sockets, and custom hardware forenergy storage cabinets and marineequipment.
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Our connectors power a wide range of applications: photovoltaic storage stations, household energy supplies, industrial-commercial storage cabinets, and high-current electrical equipment across all sectors.

We have been committed to the new energy industry for many years. Combining comprehensive considerations of technology, function, quality and appearance, the product line has been iterated and expanded several times, becoming increasingly mature and comprehensive.
With 50 press machines, 30 hydraulic machines, 10 injection molding machines and the ability to manufacture molds, we ensure end-to-end quality control.
Each batch is tested for withstand voltage, temperature rise, salt spray, pull force, insulation resistance, and more — guaranteeing reliability.
10+ R&D engineers providing full-cycle custom services from concept design and rapid prototyping to ODM/OEM mass production.
Certified to UL, TUV, IEC, ISO, RoHS, etc., with full compliance documentation to meet global project access requirements.
YINFEEL's storage connectors have been deployed in our 100MWh BESS project for over two years with zero field failures. Their technical support is outstanding.
The customization capability and UL-certified terminals gave us confidence during our solar inverter product certification. YINFEEL is a reliable long-term partner.
We switched to YINFEEL quick-plug terminals for our energy storage cabinets and reduced assembly time by 40%. The quality is consistent and delivery always on time.