Commercial DCFC
Primary Product Matrix
High-Capacity DCFC & Intelligent AC Systems
Engineered for maximum uptime, high conversion efficiency (>96%), and full OCPP interoperability.
Compact DC Wallbox
OEM 20KW/30KW/40KW DC EV Charger - Wallbox & Floor-mounted, Compliant with GB/IEC/UL
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Dual-Gun AC
China GB Standard AC EV Charger | 3.5KW-21KW Dual Gun Wall Mounted & Floor Standing
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IP54 AC Solution
ODM GB Standard AC EV Charger | 3.5KW-21KW Dual Gun Charging Station Waterproof IP54
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Solar + ESS Buffer
China Suppliers Factory: 100KWh & 200KWh Energy Storage Integrated Charging Pile
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Multi-Standard AC
OEM EV-ONE AC EV Charger 3.5KW-22KW | Wallbox & Floor Mounted | CCS1, CCS2, Tesla
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Megawatt Dispenser
360KW-720KW Split Type DC Fast EV Charging Station | Intelligent Matrix 8-12 Guns
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Aesthetic Wallbox
ODM Mouse-Style AC EV Charger | 3.5KW-22KW Wallbox & Floor Mounted Station
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Kunshan Production Base
500,000+
Annual Unit Output
40+
Export Dest. Countries
50+
Patents & IP Assets
Technical Architecture
The Global Paradigm of EV Charger Levels & Electrical Architecture
A rigorous industrial perspective on Level 1, Level 2, and Level 3 DC Fast Charging (DCFC) engineering principles.
As the international automotive industry shifts entirely toward electro-mobility, the infrastructure supporting fleet and passenger electrification demands unprecedented precision in power electronics manufacturing. In the lexicon of international charging protocols—anchored by SAE J1772, IEC 61851, ISO 15118, and GB/T 20234—charging stations are categorized into discrete "Levels" dictated by electrical input characteristics, galvanic isolation, thermal envelope limits, and charging dwell times.
Understanding these levels from an Original Design Manufacturer (ODM) perspective requires analyzing the interplay between grid input power conditioning, alternating current (AC) delivery to the vehicle’s on-board charger (OBC), and direct current (DC) bypass topologies that deliver energy straight to the lithium iron phosphate (LFP) or nickel manganese cobalt (NMC) traction pack.
Industrial Takeaway: Tier-1 procurement teams no longer source chargers as standalone appliances. Modern deployment models mandate that charging piles act as distributed power nodes equipped with active thermal throttling, Silicon Carbide (SiC) resonant converters, and bi-directional communications under OCPP 1.6J / 2.0.1.
Deconstructing Technical Classification Standards
Standardized classifications establish strict operational parameters across consumer, enterprise, and high-throughput utility applications:
| Classification | Voltage & Phase | Current Envelope | Output Power | Primary Connectors | Target Deployment Profile |
|---|---|---|---|---|---|
| AC Level 1 | 120V AC (1-Phase) | 12A – 16A | 1.4kW – 1.9kW | Type 1 (J1772) | Emergency trickle charging, residential overnight dwelling (North America). |
| AC Level 2 (Standard) | 208V–240V AC (1-Phase) | 16A – 32A | 3.5kW – 7.4kW | Type 1, Type 2, GB/T | Multi-family residential complexes, hotel destination parking, workplace lots. |
| AC Level 2 (Commercial) | 380V–415V AC (3-Phase) | 16A – 63A | 11kW – 22kW (Up to 44kW) | Type 2 (Mennekes), GB/T | Corporate campuses, municipal curbside charging, logistics staging depots. |
| DC Level 3 (Compact DCFC) | 300V–1000V DC (Rectified) | 50A – 100A | 20kW – 40kW | CCS2, CCS1, GB/T, NACS | Dealership service bays, urban delivery vans, commercial fleets with 1–2h dwell. |
| DC Level 3 (High Power DCFC) | 150V–1000V DC (Modular) | 150A – 400A (Boosted) | 60kW – 360kW | CCS1, CCS2, CHAdeMO, GB/T | Highway rest corridors, public fast-charging plazas, retail real estate hubs. |
| Ultra-Fast / Megawatt Split | Up to 1000V DC (Bus Matrix) | 500A – 800A (Liquid-Cooled) | 360kW – 720kW+ | Liquid-Cooled CCS2 / NACS / MCS | Heavy-duty commercial e-bus depots, autonomous long-haul freight corridors. |
Manufacturing Prowess
Why Chinese ODM Factories Lead Global EVSE Infrastructure
The convergence of localized component ecosystems, high-volume automated fabrication, and elite power-electronics R&D.
Vertical Supply Integration
Situated in the Yangtze River Delta industrial belt (Kunshan/Suzhou), our facilities leverage a complete upstream ecosystem within a 50-kilometer radius. From high-grade sheet metal stamping and powder coating to custom high-frequency planar transformers and conformal-coated SMT mainboards, vertical control slashes prototyping iterations and eliminates supply friction.
Automated SMT & In-Line Burn-in
High-reliability EVSE manufacturing requires zero defect tolerance. Surface-Mount Technology (SMT) automated pick-and-place lines populate our proprietary embedded Linux mainboards, supported by 3D Automated Optical Inspection (AOI). Every completed power conversion module undergoes 100% full-load thermal burn-in stress testing in high-temperature ambient chambers for 72 consecutive hours.
Stringent Multi-Standard Certification
Navigating global compliance frameworks requires authoritative documentation. Our production processes conform to ISO 9001 quality management benchmarks, while our core hardware suites maintain accredited third-party certifications including CE (EN 61851-1, EN 61851-23), CB test certificates, UL 2202 / UL 2594 compliance for North American markets, and CQC approvals.
High Power Density Rectifiers
By engineering high-frequency isolated rectifiers with advanced Silicon Carbide (SiC) MOSFET semiconductors, our DC charging piles achieve typical power conversion efficiencies of ≥96.5% and a power factor of ≥0.99. Low Total Harmonic Distortion (THD ≤ 5%) guarantees that massive public charging hubs do not pollute upstream utility distribution networks.
Rapid ODM Tooling & Prototyping
Custom structural engineering requirements—such as specialized ingress ratings (IP54 / IP55 / IP65), seismic floor mountings, customized anti-corrosion marine-grade C5-M coatings, and bespoke illuminated LED brand fascias—transition from 3D CAD design to functional metal prototypes in under 21 business days, empowering brands to respond to tenders instantly.
End-to-End Traceability
Every subassembly, contactor, circuit breaker, residual current monitor (Type B / RCD-DD), and charging gun harness is registered with encrypted QR data tags. Our cloud-integrated Manufacturing Execution System (MES) provides full historical telemetry for each serial number, ensuring flawless traceability during third-party customs clearing and site commissioning.
Real-World Engineering
Localized Applications, Trends & Enterprise Procurement Needs
Aligning hardware profiles with regional urban densities, commercial business models, and grid constraints.
Highway Ultra-Fast Plazas
Architecture: 360kW–720kW split-type matrices with dynamic power routing. Multi-vehicle high-turnover corridors rely on centralized power cabinets feeding 8 to 12 charging pedestals. As vehicles enter at different State of Charge (SOC) curves, software allocates 30kW power modules on the fly, eliminating idle stranded capacity.
Digital Out-of-Home (DOOH) Retail
Architecture: 60kW–240kW integrated DC chargers with 32-inch high-bright (1500–2500 nits) outdoor LCD displays. Retail owners monetize dwell time through video programmatic advertising while EV drivers recharge. Integrated POS terminals support PCI-PTS compliant direct contactless credit card tap payments.
Depot Charging for Logistics & Transit
Architecture: Dual-gun floor mounted or split dispensers tailored for commercial vans and electric buses. Fleet operators utilize automated scheduled charging during off-peak tariff windows via OCPP 1.6J Smart Charging profiles, protecting the site transformer while ensuring 100% route readiness at dawn.
BESS Buffers for Weak Grids
Architecture: 100kWh–200kWh lithium iron phosphate (LFP) Battery Energy Storage System (BESS) coupled with DC charging piles. Perfect for highway rest stops or islands with insufficient transformer headroom. The battery absorbs energy during grid low-demand periods and discharges up to 180kW into vehicles during surge spikes.
Multi-Family Residential & Hospitality
Architecture: 7kW–22kW smart AC wallboxes. Featuring RFID access control, dynamic load balancing (DLM) among multiple residential stalls, and Type B leakage protection. Allows property managers to prevent electrical service overloads without expensive utility substation upgrades.
Next-Gen NACS & 800V High-Voltage
Emerging Trend: The rapid transition toward 800V vehicle architectures (Porsche Taycan, Hyundai E-GMP, Lotus, heavy e-trucks) and the North American NACS (SAE J3400) connector standard. Our latest ODM hardware incorporates wide-range 150V–1000V constant power rectifiers and native dual-connector liquid-cooled cabling.
Engineering FAQ
Procurement & Technical Questions Answered
In-depth insights authored by our export engineering and compliance divisions.
What distinguishes Level 2 AC chargers from compact 20kW-40kW DC fast chargers in fleet depot planning?
Level 2 AC chargers supply alternating current to the vehicle’s on-board charger (OBC), which is physically limited to 7kW, 11kW, or 22kW depending on the EV model. If an electric delivery fleet has short turnaround windows (1 to 2 hours), AC charging cannot deliver sufficient state-of-charge. A compact 20kW–40kW DC fast charger bypasses the OBC entirely, feeding direct current straight to the traction battery. This cuts dwell time by 60–75% without requiring the heavy capital expense, trenching, and dedicated medium-voltage substation required by 150kW+ chargers.
How does our ODM manufacturing process guarantee OCPP 1.6J and OCPP 2.0.1 compliance?
Our charging controllers run hardened embedded Linux OS stacks running standardized OCPP client libraries tested against mainstream European and North American Central Systems (e.g., Driivz, AMPECO, ChargeLab, Greenlots). We support full JSON over WebSocket connectivity with TLS 1.3 encryption, Smart Charging Profiles for dynamic load throttling, remote diagnostics, firmwares-over-the-air (FOTA), and white-labeled vendor namespaces for proprietary telemetry.
What thermal management mechanisms are integrated into 360kW-720kW high-power charging systems?
For outputs up to 250A per gun, natural forced-air cooling with isolated internal air-ducts and IP54/IP55 brushless centrifugal fans is utilized. When currents exceed 250A up to 500A/600A continuous, we integrate closed-loop liquid-cooling circuits inside the dispenser terminal and utilize liquid-cooled CCS2 or NACS cable assemblies with synthetic dielectric coolants. Temperature sensors at each power pin relay telemetry to the main MCU; if pin temps exceed 90°C, the system initiates closed-loop power step-down protection within 100 milliseconds.
Can our factory customize enclosure designs for harsh coastal or extreme desert environments?
Yes. Standard commercial enclosures are fabricated from galvanized steel with high-durability electrostatic outdoor powder coatings. For coastal, offshore, or high-humidity tropical deployments (e.g., Southeast Asia, Caribbean), we provide marine-grade C5-M compliant anti-corrosion treatments, 304/316 stainless steel enclosures, and fully conformal-coated electronic assemblies. For desert environments, we integrate specialized sand-dust acoustic labyrinths, dual-chamber heat-exchangers, and UV-resistant outdoor touchscreens rated for operation from -30°C to +55°C.
What is the typical Minimum Order Quantity (MOQ) and lead time for white-label OEM projects?
For standard production variants featuring client brand silk-screening and customized software skins, our MOQ starts at 5 to 10 units for DC fast chargers and 50 units for AC wallboxes. For comprehensive ODM modifications (custom tooling, ground-up enclosure forms, unique physical user interfaces), the typical prototype delivery lead time is 25 to 35 calendar days, followed by mass production cycles of 20 to 30 days depending on bill-of-materials volume.
Commercial & Fleet Solutions
Certified High-Output Commercial EVSE
Explore our complete export catalog engineered for commercial charging operators, bus transit yards, and global automotive distributors.
Advertising DCFC
OEM 60KW-240KW DC Fast EV Charging Station with 32” Advertising Screen & POS
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Ultra Commercial
China 60KW-400KW Integrated DC EV Charging Pile | Commercial Fast Charger
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EU CE Certified
OEM CE Certified 60-360KW DC Charging Pile | EU Standard EV Fast Charger
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Commercial Dual AC
ODM 22-44KW AC Charging Station Factory - Customizable for China & IEC Standards
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Dual Gun DCFC
ODM 40KW-180KW Integrated Floor-Mounted DC EV Charger | Dual Gun | GB/IEC/UL
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Smart Billing DC
OEM CE Certified 60-360KW DC Charging Pile - Fast Charger with RFID, QR Code Billing
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Versatile Wallbox
China 3.5KW-22KW AC EV Charger | Wall & Floor Mounted Electric Vehicle Station
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Direct Factory Engagement
Partner with an Authoritative China EV Charger Manufacturer
Accelerate your brand’s global rollout with certified, scalable, and vertically integrated charging systems engineered to outlast demanding commercial duty cycles.
Whether submitting international municipal tenders, developing private CPO charging networks, or requiring localized OEM branding configurations, our Kunshan engineering facility provides end-to-end support from schematic conception to mass export compliance.
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