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The CCS2 (Combined Charging System Type 2) socket is the European and global standard DC fast-charging interface defined under IEC 62196-3. It combines the familiar Type 2 AC inlet with two additional DC power pins, enabling bidirectional power flow at voltages up to 1000 V DC and currents from 10 A all the way to 500 A — making it the ideal backbone for residential energy storage systems (RESS) that demand both high-speed charging and vehicle-to-home (V2H) discharge capability.
CCS2 is mandated across the European Union and widely adopted in Australia, South Korea, and emerging markets. A single CCS2 socket on your home energy storage unit can serve virtually every modern DC-capable EV on the road today, eliminating the need for multiple adapters or proprietary connectors.
Unlike AC-only sockets limited by the onboard charger, CCS2 bypasses the vehicle's internal converter and delivers DC power directly to the battery. For residential ESS applications, this means wall-to-battery efficiency exceeding 95%, dramatically reducing energy loss compared to traditional AC charging paths.
Sanco's CCS2 sockets are rated IP67 for dust and water ingress protection, UL 94 V-0 flame-retardant housing, and withstand 10,000+ mating cycles. The integrated proximity pilot (PP) and control pilot (CP) lines provide real-time handshake communication, ensuring safe connection before any power transfer begins.
Purpose-built for home installation, Sanco's CCS2 sockets feature compact form factors, ergonomic locking levers, and UV-resistant housings suitable for outdoor wall mounting. They integrate seamlessly with home energy management systems (HEMS), smart inverters, and residential battery packs from leading brands.
As global rooftop solar installations surpass 1 TW and residential battery storage adoption doubles year-over-year, the CCS2 interface has emerged as the de-facto standard for bidirectional energy exchange. It supports the ISO 15118-20 "Plug & Charge" protocol, enabling fully automated authentication, billing, and load scheduling — transforming a simple socket into an intelligent energy gateway between your home, your EV, and the grid.
The global residential energy storage market is projected to reach USD 35 billion by 2030, driven by surging electricity prices, renewable energy mandates, and the rapid proliferation of EVs. CCS2 charging sockets sit at the intersection of all three macro trends.
Residential ESS shipments grew 78% YoY in Europe in 2024. Germany, the UK, Italy, and the Netherlands lead adoption, with CCS2 mandated as the standard charging interface under EU Alternative Fuels Infrastructure Regulation (AFIR).
Vehicle-to-Home (V2H) and Vehicle-to-Grid (V2G) technologies require a robust bidirectional interface. CCS2 with ISO 15118-20 support enables EVs to act as mobile power banks — discharging stored energy back into the home during peak tariff periods or grid outages.
Hybrid inverter manufacturers are increasingly embedding CCS2 ports directly into their units, allowing excess solar generation to be routed through a single standardized socket to charge an EV or top up the home battery — all managed by AI-driven energy optimization algorithms.
Multiple European countries now require new residential constructions to include pre-installed CCS2-compatible charging infrastructure. This regulatory tailwind is creating a massive retrofit market for existing homes seeking to upgrade to smart energy management.
Next-generation CCS2 systems integrate with cloud-based AI platforms that predict household energy demand, solar generation forecasts, and real-time electricity spot prices — automatically scheduling charge and discharge cycles for maximum economic benefit.
Following Europe's lead, markets in Southeast Asia, Latin America, and the Middle East are adopting CCS2 as their national EV charging standard. This global convergence reduces supply chain complexity and opens enormous export opportunities for CCS2 component manufacturers.
A CCS2 socket installed on a residential all-in-one ESS unit (e.g., 10 kWh lithium battery + 8 kW hybrid inverter) serves as the central node of a home energy hub. During the day, rooftop solar charges the battery through the CCS2 DC bus. At night, the stored energy powers household loads. If the battery is full, excess energy is exported to the grid via the same CCS2 interface, earning feed-in tariff revenue for the homeowner.
With a bidirectional CCS2 charger, a 75 kWh EV battery can power an average European home for 3–5 days during a grid outage. The CCS2 socket's ISO 15118-20 handshake protocol ensures the EV only discharges when the home inverter explicitly requests power, preventing accidental discharge and protecting battery warranty conditions.
Utility companies in Germany, the UK, and Australia offer demand response programs that pay homeowners to reduce grid load during peak hours. A CCS2-connected residential ESS can automatically discharge stored energy into the home (or back to the grid via V2G) during these peak windows, generating passive income while stabilizing the local grid.
In apartment complexes and condominiums, shared CCS2 charging infrastructure connected to a building-level battery storage system enables "charge sharing" — residents without dedicated parking can access the shared ESS for overnight EV charging, with smart metering and automated billing handled through the CCS2 communication protocol.
In regions with unreliable grid infrastructure, CCS2-equipped solar-plus-storage microgrids provide reliable 24/7 power. The standardized CCS2 interface allows mobile diesel generators or portable battery trailers to connect seamlessly during extended cloudy periods, ensuring uninterrupted power supply for critical loads.
Small and medium enterprises (SMEs) with on-site renewable generation are deploying CCS2-connected commercial ESS units (50–500 kWh) to offset peak demand charges, which can account for 30–50% of commercial electricity bills. The CCS2 socket's 250 A current rating supports rapid charge/discharge cycles required for industrial load leveling applications.
With 2,700 employees, 4 factories, and 200+ R&D engineers, Sanco is a national high-tech enterprise that integrates R&D design, manufacturing, sales service, and after-sales support for connectivity system products, dedicated to becoming a leader in the field of connection technologies and products.
We specialize in the R&D and manufacturing of electrical connection systems for automotive, rail transit, industrial, communication, and energy storage applications, such as: high-voltage connectors, MSDs, laminated busbars, injection-molded busbars, signal connectors, rectangular and circular connectors, CCS, and various precision components.
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We specialize in the development and manufacture of electrical connection systems for automotive, rail transportation, industry, communications, and energy storage — delivering end-to-end connectivity for the industries that power tomorrow.
From initial concept to mass production, our streamlined 8-step process ensures your custom CCS2 connector or charging socket is delivered on time, on spec, and at scale.
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