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Precision-engineered high-voltage connectors designed for demanding energy storage applications — from battery modules to grid-scale ESS deployments.
The energy storage industry is undergoing its most transformative decade yet. Understanding the commercial and industrial landscape is critical to selecting the right connectivity solutions.
Global battery energy storage system (BESS) capacity is projected to exceed 1,500 GWh by 2030, driving unprecedented demand for high-voltage, high-reliability connectors rated at DC 1000V–1500V.
Governments across the US, EU, China, and Asia-Pacific are mandating renewable energy integration targets. Utility-scale battery storage projects now routinely exceed 100 MWh, with multi-GWh projects becoming standard. Each megawatt-hour of storage requires hundreds of high-voltage connector interfaces — making connector quality and certification a mission-critical procurement decision.
The industry is rapidly migrating from DC 1000V to DC 1500V architectures to reduce cable losses, lower balance-of-system costs, and increase energy density per rack. This shift demands connectors with superior insulation resistance, arc-suppression capability, and robust contact geometry — areas where SANCO's ES-series connectors excel.
Beyond utility-scale, commercial and industrial (C&I) energy storage is booming. Data centers, manufacturing plants, hospitals, and logistics hubs are deploying behind-the-meter battery systems for peak shaving, demand response, and backup power. These applications demand compact, modular connectors with IP67 or higher protection ratings and high cycle-life performance.
Vehicle-to-grid (V2G) and vehicle-to-building (V2B) technologies are blurring the line between EV batteries and stationary storage. Bidirectional charging infrastructure requires connectors that meet both automotive-grade vibration and shock standards (USCAR, LV214) and grid-interface electrical requirements — a dual-standard challenge that defines next-generation connector design.
Engineered to meet the most demanding electrical, mechanical, and environmental requirements across all energy storage applications.
Fully compliant with next-generation BESS architecture requirements. Designed for high-voltage battery packs, string inverters, and DC bus connections in grid-scale systems.
Hermetic sealing against dust, moisture, and condensation ensures long-term reliability in outdoor containerized ESS, marine energy storage, and underground installations.
Operational from -40°C to +125°C, supporting deployments in Arctic renewable projects, desert solar-plus-storage farms, and tropical industrial facilities without performance degradation.
Available in crimping, welding, and flexible busbar connection configurations (ES140S series) to accommodate diverse battery module assembly processes and automation requirements.
Mechanical keying and positive locking mechanisms prevent incorrect mating during field installation and maintenance, reducing the risk of arc flash events and system downtime.
Products carry UL, TUV, SGS, RoHS, IATF 16949, and GB/T certifications, enabling seamless market entry across North America, Europe, China, and Asia-Pacific regions.
From utility-scale grid storage to residential microgrids, high-voltage connectors are the invisible backbone of every energy storage deployment.
Containerized battery systems (1–100+ MWh) require thousands of DC 1500V connector interfaces between battery modules, BMS boards, and inverters. SANCO ES-series connectors provide the high current capacity (up to 250A) and vibration resistance needed for 20+ year operational life.
Utility PV plants increasingly integrate co-located battery storage. DC-coupled architectures require connectors that handle both PV string voltages and battery discharge currents simultaneously, demanding exceptional thermal management and contact stability under variable load profiles.
Peak shaving, demand charge reduction, and backup power systems in factories, data centers, and hospitals use modular battery cabinets where compact, high-density connectors like the ES095 and ES120S enable efficient rack-level integration with minimal wiring complexity.
High-voltage connectors are critical in EV battery pack assembly — connecting cell modules, BMS, thermal management systems, and high-voltage distribution units. SANCO's automotive-grade connectors meet USCAR and LV214 standards for vibration, shock, and temperature cycling.
Ultra-fast chargers (150kW–350kW+) demand connectors capable of sustaining 200A–500A continuous current with minimal contact resistance and heat rise. CCS2 and GB/T DC connectors from SANCO are deployed across major EV charging networks globally.
Ships, offshore platforms, and port electrification projects operate in high-humidity, salt-spray environments. IP68-rated high-voltage connectors with corrosion-resistant materials (nickel-plated copper alloys) are essential for reliable operation in these extreme conditions.
Decades of manufacturing excellence, global reach, and continuous innovation define our position as a leading high-voltage connector supplier.
Founded in 1999, SANCO is well known as a connection system solutions provider and a national high-tech enterprise integrating R&D, design, manufacturing, sales and after-sales support for connectivity products. It is committed to becoming a leader in the field of connectivity technology and products.
SANCO specializes in the R&D and manufacturing of electrical interconnection systems for automotive, rail transit, industrial, communications, and energy storage applications, including: high voltage EV connectors, energy storage connectors, EV charging connectors, manual service disconnect (MSD) units, laminated busbars, injection-molded busbars, signal and circular connectors, cell contact systems (CCS), and various precision components.
As a prominent industry leader, SANCO delivers comprehensive connection system solutions to clients worldwide. Our products are exported to over 100 countries, including major markets like China, North America, Europe, and Asia-Pacific. Our solutions have been widely adopted by global Fortune 500 companies and industry-leading enterprises.
Leveraging two decades of profound technical expertise, our company has built an outstanding R&D team of over 200 professionals. The team consists of talents from world-renowned universities and leading institutions in the industry, with core members having previously worked in top three global connector companies, ensuring our technology and vision remain globally forward-looking.
The team demonstrates exceptional competence, with over 95% holding bachelor's degrees or higher, forming a powerful knowledge-intensive innovation engine. The company has invested significantly in establishing an advanced independent laboratory equipped with more than 100 specialized precision instruments — conducting rigorous reliability validation, IP rating certifications, raw material composition analysis, high-performance electrical testing, precision dimensional measurements, and environmental tests simulating various extreme conditions.
Our vertically integrated manufacturing facilities span every critical process — from precision stamping and CNC machining to ultrasonic welding and automated assembly — ensuring total quality control for every high-voltage connector we produce.
Explore our full portfolio of high-voltage connectors engineered for every energy storage application — from battery module interconnection to EV DC fast charging infrastructure.
