Smart Industrial EVSE Manufacturing & Global Supply Chain

ODM Garage Electric Car Charger Factories & Manufacturer

Tier-1 OEM/ODM manufacturing of intelligent residential, multi-tenant underground, and commercial fleet garage EV chargers. Engineered for high-efficiency AC wallboxes and ultra-compact DC fast charging systems.

Featured Industrial Portfolio (Series A)

Engineered Garage & Commercial Charging Systems

Precision-manufactured in our automated Kunshan facility. Compliant with GB/T, IEC 61851, CE-RED, CB, and UL standards for seamless turnkey overseas procurement.

10,000
m² Facility Scale
500,000+
Annual Unit Capacity
40+
Global Export Markets
80+
Certified EVSE Models
50+
Patents & IP Rights
36
Worldwide Support Hubs
Strategic Engineering Whitepaper

Why Global Brands Partner with Suzhou HizonSun in Kunshan

In the electric vehicle supply equipment (EVSE) ecosystem, garage installations demand a convergence of high electrical efficiency, compact form-factors, intelligent load balancing, and stringent functional safety. Here is how our automated manufacturing plant delivers an unassailable competitive advantage.

Vertical SMT & Sheet Metal Integration

Unlike simple assembly houses, our Kunshan facility controls complete fabrication in-house: high-precision automated Surface Mount Technology (SMT) lines for charging controllers, heavy-duty laser cutting for IP54/IP65/IK10 cabinets, and automated wiring harness pre-assembly. This vertical integration reduces the Bill of Materials (BOM) cost by 22–35% while slashing prototype-to-production cycles down to 4 weeks.

Rigorous Automotive-Grade Burn-In Testing

Every garage charger produced undergo a strict multi-tier quality assurance protocol. Our testing regime includes 100% full-load thermal burn-in under elevated ambient conditions (50°C), insulation resistance testing (>100MΩ at 1000V DC), earth continuity verification, simulated CAN/PLC protocol injection, and high-pressure water spray verification to ensure 10-year MTBF in harsh residential garage and underground parkade environments.

Full Turnkey ODM Engineering & Customization

We provide global brand owners, CPOs, and utility-scale distributors with end-to-end ODM capabilities. This includes bespoke industrial enclosure styling, private-label silk-screen branding, customizable LCD UI/UX workflows, multi-standard connector integration (CCS1, CCS2, NACS, GB/T, Type 2), and tailored embedded firmware configured to interface directly with client OCPP backends.

Industry Frontiers & Next-Gen Tech

Technological Trends Shaping the Modern EV Garage

Residential garages and commercial underground parking facilities are transitioning from dumb electrical sockets to complex, bi-directional energy nodes. Our R&D team engineers chargers for tomorrow's smart grid.

Dynamic Load Balancing (DLB) & Home Subpanel Protection

Older residential garages and multi-tenant complexes frequently face electrical service bottlenecks. Installing a standard 22kW AC charger or a 20–40kW compact DC wallbox can trip main circuit breakers when HVAC units or heat pumps kick on.

  • Hardware CT Clamp Integration: Non-intrusive current transformers monitor real-time main grid feeder current up to 200A.
  • Sub-Millisecond Dynamic Throttling: Microcontrollers recalculate available current 10 times per second, automatically adjusting vehicle PWM pilot signals.
  • Equal & Priority Multi-Vehicle Distribution: Multiple garage chargers communicate via local RS485 or mesh Wi-Fi to dynamically share a single allocated power envelope without cloud dependency.
01
Main Panel Monitoring Real-time measurement via Modbus CT meters
02
Adaptive Power Allocation Algorithm Prioritizes household base load; allocates headroom to EV
03
Safe PWM/CAN Output Modulation Ensures total service capacity is never breached

V2G/V2H Bidirectional Topologies & ISO 15118-20

The garage of the future is an interactive distributed energy resource (DER). With the rollout of bidirectional DC wallboxes (20kW–40kW) featuring Silicon Carbide (SiC) MOSFETs, vehicles act as home battery backup units during outages and peak utility pricing events.

  • ISO 15118-2/20 Plug & Charge: Automatic TLS cryptographic handshake enables seamless vehicle authentication and automated billing without RFID cards.
  • Vehicle-to-Home (V2H) Blackout Islanding: Automatic Transfer Switch (ATS) capability converts EV battery DC energy into 230V/400V AC pure sine wave power during grid outages.
  • Peak Shaving Economics: Smart scheduling discharges during high tariff tiers and charges during solar solar peaks or off-peak midnight rates.
A
Bi-Directional Inverter Efficiency ≥ 96.5% High-frequency SiC power modules minimize thermal losses
B
OCPP 2.0.1 Smart Energy Profile Direct interoperability with utility Demand Response (ADR)
C
Full Galvanic Isolation Safety High-frequency transformer protection for vehicle battery packs
Deployment Engineering Matrix

Specialized Garage Applications & Site Architecture

Different garage environments present completely different duty cycles, network topologies, and electrical architectures. We engineer dedicated solutions across five distinct operational profiles.

Private Residential Garages

Tailored for single-family residences. Engineered with 7.4kW (single-phase 32A) and 11kW/22kW (three-phase 16A/32A) smart wallboxes featuring Wi-Fi/Bluetooth, smart app scheduling, RFID lockouts to prevent unauthorized neighborhood usage, and aesthetic low-profile housings with integrated cable holsters.

Multi-Family Parkades (MUD)

Underground residential parking garages requiring robust billing, access control, and dynamic multi-cluster load balancing. Units incorporate MID-certified revenue meters, 4G-LTE / Ethernet failover, and OCPP 1.6J/2.0.1 compliance for automated tenant billing and property manager management dashboards.

Commercial Logistics Depots

Confined fleet return-to-base fleet yards and urban delivery van garages. Deploying compact 20kW–40kW DC wallboxes or 360–720kW split-type systems with multi-dispensers, ensuring high-turnover fast turnaround during driver shift changes without sacrificing garage aisle space.

Dealership Service Garages

Automotive dealer prep bays and pre-delivery inspection (PDI) garages. High-voltage 200V–1000V DC fast chargers allow mechanics and service technicians to complete rapid diagnostic top-ups, software flashing power hold, and high-speed customer handover charges in under 30 minutes.

Procurement Engineering Matrix

Comprehensive Garage EVSE Technical Specifications

Benchmark parameters for OEM and ODM commercial tenders. All systems are fully certified for export to North America, the European Union, Southeast Asia, and Latin America.

System Category Rated Power Range Input Voltage & Frequency Connector & Cable Options Enclosure Rating & Protection Network & Protocols Key International Certifications
EV-ONE Smart AC Series 3.5kW / 7.4kW / 11kW / 22kW 230V AC ±15% (1P) / 400V AC ±15% (3P), 50/60Hz Type 2 socket / Type 1 / CCS2 / NACS Tethered (5m/7m) IP65 Wallbox / Pedestal, IK08, RCD Type A + 6mA DC OCPP 1.6J / 2.0.1, Wi-Fi 2.4G, Bluetooth, RFID, Ethernet CE CB UL 2594
Compact DC Garage Wallbox 20kW / 30kW / 40kW 380V / 480V AC 3-Phase + Neutral, 50/60Hz Single/Dual Gun: CCS2, CCS1, GB/T, CHAdeMO, NACS IP54 Metal Enclosure, IK10, Over/Under Volt, Ground Fault OCPP 1.6J Cloud, 4G LTE, Ethernet, Modbus TCP DLB CE IEC 61851-23 UL 2202
Integrated Commercial DC Hub 60kW – 360kW Dual Gun 400V / 480V AC 3-Phase ±15%, THD < 5% Dual CCS2 / CCS1 / GB/T (Liquid-Cooled 500A optional) IP54 Outdoor Heavy-Duty Octagonal Cabinet, Anti-Corrosion OCPP 1.6J / 2.0.1 JSON, POS Credit Card Reader (Nayax), RFID CE-RED TUV CQC
Split-Type Megawatt Dispenser 360kW – 720kW (8 to 12 guns) 400V / 480V Central Power Matrix Cabinet Modular dispensers with ultra-light liquid-cooled guns IP55 Central Cabinet, Isolated Power Modules, Forced Air Dynamic Matrix Power Allocation, Cloud Remote Telemetry CE IEC 62196 GB/T
Solar-ESS Garage Charging Pile 100kWh / 200kWh LFP Battery Buffering Direct Solar DC Coupling + Low-Capacity Grid Tie Up to 160kW DC Fast Output independently of grid limit Integrated Fire Suppression (Aerosol), C5 Heavy Industrial Paint EMS Microgrid Controller, Time-of-Use Arbitrage, Islanding UN 38.3 UL 1973 IEC 62619
Enterprise Procurement Framework

Turnkey OEM & ODM Collaboration Pathway

From initial 3D industrial styling and PCB design to mass trial runs, global certification, and worldwide containerized logistics, Suzhou HizonSun Tech provides a transparent tier-1 supply chain engagement.

Phase 1: Concept & Industrial DFM

Collaborative definition of enclosure ergonomics, cooling duct simulation, connector ergonomics, IP/IK ingress protection targets, and electronic architecture aligned with local utility codes (UL 2231/2594, CE-LVD, AS/NZS 3820).

Phase 2: Firmware & Cloud Customization

Customizing embedded RTOS firmware, proprietary CAN vehicle communication stacks, customized RFID card encryption, client-branded iOS/Android mobile applications, and rigorous OCPP 1.6J/2.0.1 white-label cloud backend integration.

Phase 3: Pilot Batch & Certification

Fabrication of functional EVSE prototypes for electromagnetic compatibility (EMC Class B), climatic chamber testing (-30°C to +55°C), and end-to-end certification assistance with TUV Rheinland, Intertek, SGS, and Underwriters Laboratories (UL).

Phase 4: High-Volume Global Export

Mass assembly across our 10,000m² facility with barcoded traceability down to individual capacitor batches. Export packaging with moisture-proof wooden crates, customs documentation, and seamless DDP/FOB logistics across 40+ countries.

High-Power & Dedicated Fleet Infrastructure (Series B)

Specialized Commercial & Garage Fast Chargers

Engineered for depot garages, commercial charging operators, and high-throughput municipal hubs requiring maximum uptime and rugged outdoor reliability.

Expert Engineering Knowledge Base

Frequently Asked Questions for Global Procurement Teams

In-depth technical answers addressing electrical compliance, customization capabilities, grid compatibility, and warranty frameworks directly from our chief engineering team.

What electrical standards, inlet voltages, and charging connectors does your factory support?
Suzhou HizonSun manufactures EVSE compliant across all primary global geographical jurisdictions:
  • North America: UL 2594 (AC Level 2), UL 2202 / UL 2231 (DC Fast Charging), SAE J1772 (Type 1), CCS Type 1, and SAE J3400 (NACS - North American Charging Standard) compliant with 208V/240V split-phase and 480V 3-phase grid infrastructure.
  • European Union & APAC: IEC 61851-1/21/23, IEC 62196, CE-RED certified, 230V single-phase / 400V 3-phase 50Hz, featuring Type 2 tethered or shuttered sockets and CCS2 high-power connectors.
  • China & Compatible Territories: Complete GB/T 20234.2 (AC) and GB/T 20234.3 (DC) national standards, with full NB/T 33008 testing compliance.
How does your garage charger Dynamic Load Balancing (DLB) architecture function without internet connectivity?
Our chargers utilize a localized hardware-driven DLB architecture. A dedicated energy meter with Rogowski coils or current transformers (CTs) connects directly to the master garage charger via a shielded RS485 Modbus RTU bus or encrypted local Wi-Fi mesh. The master charger executes an onboard PID algorithm that calculates total building current draw versus the service panel’s maximum limit 10 times per second. Even if the local broadband or 4G cloud network experiences complete outage, the chargers modulate the vehicle pilot PWM or CAN signal locally, guaranteeing that upstream distribution fuses and main breakers never trip.
What are the exact differences between installing a 22kW AC wallbox versus a compact 20kW–40kW DC wallbox in a garage?
The fundamental distinction lies in whether power rectification occurs inside the vehicle or inside the charging station:
  • 22kW AC Wallbox: Delivers raw 400V 3-phase AC power. The charging speed is strictly bottlenecked by the electric vehicle's internal On-Board Charger (OBC). Many modern EVs are equipped with only an 11kW or 7.4kW OBC, meaning a 22kW AC wallbox will still charge those cars at only 11kW.
  • 20kW–40kW DC Charger: Contains integrated high-frequency Silicon Carbide (SiC) AC-to-DC rectification modules. It bypasses the vehicle’s restricted onboard charger and feeds high-voltage DC (200V–1000V) straight into the traction battery pack via CCS2/CCS1/NACS. Any EV capable of DC fast charging will instantly absorb the full 20kW, 30kW, or 40kW output, delivering a 20% to 80% recharge in 35–60 minutes regardless of the vehicle's AC OBC limitation.
What specific white-label and ODM customization options are provided for European and American brand owners?
We operate complete flexible customization tiers:
  • Industrial Exterior & Tooling: Custom injection-molded front panels, custom corporate Pantone colorways, anti-scratch coatings, bespoke status LED breathing strips, and client silkscreen logos.
  • Human Machine Interface (HMI): Customized 4.3", 7", 10", or 32" touchscreen interfaces displaying client UI workflows, proprietary standby video advertising, and custom localized multilingual translations.
  • Embedded Firmware & Cloud: Native implementation of client OCPP 1.6J or 2.0.1 endpoint configurations, custom security certificates (TLS 1.3), customized RFID card data parsing, and proprietary mobile application white-labeling.
How do your 100kWh & 200kWh Energy Storage Charging Piles resolve garage electrical grid limitations?
In many suburban garages, dealership facilities, and rural commercial buildings, the local distribution transformer is constrained to 30kVA or 50kVA, making it impossible to install a multi-gun DC fast charging station directly without hundreds of thousands of dollars in utility transformer upgrade charges. Our Energy Storage Integrated Charging Piles incorporate Tier-1 Lithium Iron Phosphate (LFP) battery packs (100kWh or 200kWh capacity) equipped with liquid-cooled thermal management, aerosol fire protection, and an integrated hybrid bi-directional inverter. The system trickles power slowly from the weak grid (e.g., at 15–20kW) or solar arrays throughout the day, and discharges bursts of high-speed DC power up to 160kW–240kW directly to incoming vehicles.
What is your typical production lead time, sample delivery turnaround, and Minimum Order Quantity (MOQ)?
For standard stock models with client silkscreen logo branding, sample orders are assembled, fully load-tested, and dispatched within 7–10 working days. For standard commercial container orders (20ft / 40ft HQ), production lead time is typically 20–28 calendar days from engineering sign-off. Full turnkey ODM development (requiring custom sheet-metal tooling, bespoke plastics injection molds, and tailored firmware stacks) averages 6 to 10 weeks from 3D CAD sign-off to certified pilot batch. Standard MOQ is 20 units for AC smart wallbox lines and 2 units for heavy-duty DC charging stations.
What quality assurance, burn-in aging procedures, and warranty terms are guaranteed by Suzhou HizonSun?
We uphold an ISO 9001 certified zero-defect manufacturing philosophy. Every electronic sub-assembly undergoes automated optical inspection (AOI), high-voltage hipot testing, and 100% 4-hour full-load thermal burn-in aging under elevated operational temperatures. Our charging stations boast an engineered Design Life of >10 years with a Mean Time Between Failures (MTBF) exceeding 100,000 operational hours. We back all commercial products with a standard 2-year to 5-year comprehensive hardware warranty, supported by guaranteed modular plug-and-play replacement board supply and direct factory-level engineering video telemetry troubleshooting.
HizonSun certificate enlarged view