OLINK DC EV Charger Manufacturer & Wholesale Solutions
OLINK provides DC fast-charging solutions ranging from 7kW to over 180kW for commercial parking facilities, fleet depots, gas stations, and public infrastructure projects. Its full product lineup is UL and CE certified, supports multiple interface standards (CCS1, CCS2, GB/T, NACS, and CHAdeMO), is compatible with OCPP 1.6 and 2.0.1 protocols, and meets deployment requirements for the North American, European, and Middle Eastern markets.
Request Wholesale PricingOlink®OLINK DC Fast Charging – Factory-Backed Quality
OLINK possesses a comprehensive system for the R&D, production, and testing of DC charging stations. From module design to final factory release, every unit undergoes rigorous load testing and protocol verification to ensure stable operation across various commercial environments.
OLINK Manufacturing Capabilities
● 15+ years of professional EV charger manufacturing experience
● 8 automated production lines with annual production capacity exceeding 100,000 units
● Modular Design: 25+ factory inspection procedures, including full-load aging tests
● Modular Design: ISO 9001-certified factory with quality control covering incoming materials → assembly → testing → packaging
● Standard products delivered within 7–15 days; OEM/ODM projects completed within 30–45 days
● Core components backed by a 3-year warranty, with remote diagnostics, OTA upgrades, and spare parts support
Quality Control Process
● Incoming Material Inspection — 100% inspection of power modules, controllers, and connectors
● Assembly Process — Modular production line assembly with certified technicians for key processes
● Full-Load Aging Test — Each charger operates at full power for 4–8 hours, with temperature rise and efficiency data recorded
● Protocol Validation — OCPP 1.6 / 2.0.1 connectivity testing and CCS / CHAdeMO communication handshake verification
● Safety Testing — Insulation resistance, dielectric withstand, leakage protection, and surge protection tests
● Appearance & Packaging — IP55/IP65 protection verification and shock-resistant export packaging
OLINK Certification Qualifications
OLINK Commercial DC Charging Projects
OLINK DC fast-charging solutions have been successfully deployed in numerous commercial projects worldwide. The following case studies cover a range of power ratings and application scenarios, allowing you to evaluate OLINK’s delivery capabilities and project experience.
80kW DC Fast Charging Project for Parking Facility in Nepal
Project Location: Commercial parking facility in Kathmandu, Nepal
Deployment Solution: OLINK 80kW floor-mounted DC fast charger with OCPP 1.6J smart management
Connector Configuration: CCS2 + GB/T
Project Highlights: Project Highlights: Reliable operation, smooth user experience, and flexible charging support for multiple EV standards.
Customer Feedback: "The OLINK 80kW DC charger delivered stable performance and easy daily operation."
Delivery Time: [NEED: Completion time, e.g. 2025 Q2]
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Requirement Confirmation
● Interface Standards: CCS1 / CCS2 / NACS / GB/T
● Power Range: 20kW ~ 240kW (liquid-cooled/air-cooled optional)
● Target Market: CE / UL / FCC and other certification route planning
● Brand Requirements: Logo, housing paint, RGB light strips, deeply customized UI interface
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Solution Design
● Electrical Plan Structural Plan (Modular Design)
● Preliminary Review of Certification Path and Timeline Planning
● Drawings, Installation and Construction Drawings
● Pre-design of OCPP Platform Integration
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Proofing Verification
● Complete engineering prototypes within 15~20 working days
● Charging tests on real vehicles of mainstream models (Tesla, BYD, Mercedes, etc.)
● Safety compliance pre-test: voltage withstand, insulation, leakage protection
● Customer confirmation and rectification closed loop
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Shipping and Delivery
● Provide a full set of safety compliance reports with the goods Declaration of Conformity
● Delivery of OCPP 1.6J / 2.0.1 test reports
● Heavy-duty corrugated carton/wooden box packaging (compliant with sea/air transport standards)
● Global door-to-door logistics Customs clearance support Remote installation guidance
4
Quality Control Before Shipment
● Double Inspection Guarantee Full inspection twice before shipment (function test, appearance check)
● Re-test charging protocol consistency (OCPP)
● Final inspection of insulation and grounding resistance before packaging
● Random sampling for mechanical strength and waterproof testing
Why Choose OLINK for Your DC EV Charger Project?
Beyond manufacturing — full-stack customization power
| Capability Dimension | OLINK Core Technology | Value to You |
|---|---|---|
| Standard Compatibility | Full coverage: CCS1/2, NACS, GB/T, CHAdeMO. Active participant in next-gen standards. | One charger fits 99% of EVs — no vendor lock-in risk. |
| Charging Technology | V2G/V2H bidirectional ready + intelligent dynamic power distribution. | Your equipment not only charges but also participates in energy trading — higher ROI. |
| R&D Power | In-house safety lab. 20+ new products/year. Fast response to emerging standards like NACS. | 30% shorter R&D cycle. Be first to capture regional markets. |
| Software Ecosystem | Deep OCPP 1.6J / 2.0.1 integration. Pre-mapped to major CSMS platforms. | Lower integration costs. Plug & play with mainstream operators. |
| Supply Chain Control | Core connectors & charging gun heads — all self-developed and manufactured. | Cost & lead time control from the source. No critical component shortage risk. |
| Customization Depth | Logo, enclosure color, light language, UI, charging strategy — fully customizable. | True ODM-level customization, not just white-labeling. |
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OCPP 1.6 / 2.0.1
OCPP 1.6 and 2.0.1 provide a standardized and open communication framework between chargers and backend systems. They enable remote control, real-time monitoring, firmware updates, and fault management. OCPP 2.0.1 further enhances security, device management, and smart charging functions, making it suitable for large-scale and commercial deployments.01 -
Intelligent Load and Demand Management
02The OLINK intelligent load management system dynamically adjusts charging power based on real-time site capacity and grid signals to prevent overloads, optimize power distribution across multiple charging piles, and support load shifting during peak and off-peak tariff periods. In a typical scenario, two 120kW charging piles can operate simultaneously within a grid capacity limit of 180–200kW through intelligent power allocation, reducing infrastructure investment by 30%–40%.
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EMS Integration & Energy Optimization
03By integrating with an Energy Management System (EMS), charging infrastructure can be coordinated with solar generation, energy storage, and grid power. Charging strategies are optimized based on energy availability, load profiles, and electricity costs, reducing operating expenses and improving overall energy efficiency.
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OLINK Software Compatibility
OLINK DC charging stations have been verified as compatible with the following mainstream charging management platforms:
● ChargePoint/ ChargeLab / AmpUp / EV Connect [North America]
● Monta / Virta / Shell Recharge [Europe]
OLINK DC chargers support OCPP-based integration with major EV charging management platforms, enabling remote monitoring, charging control, billing data exchange, and scalable network operation.
04
Choose the power range according to the application scenario
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Ideal application scenarios: Logistics fleets, bus depots, company parking lots
Typical dwell time: 1–3 hours
Advantages of choosing this power range:
● Reduced grid upgrade costs
● Reduced grid upgrade costs
● Stable daily charging cycles
● Very suitable for nighttime or shift-based operations
Recommended Products → 60-120kW DC EV Charger
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Public Fast Charging Stations (180–240 kW)
Best application scenarios: Transportation hubs, retail locations
Typical dwell time: 10–30 minutesh
Importance of high power:
● Maximizes vehicle turnover
● Reduces waiting times
● Supports future ultra-fast electric vehicle models
Recommended Products → 180-240kW DC EV Charger
Community and commercial parking lots (20-40 kW)
Ideal application scenarios: office buildings, hotels, community parking lots
Typical dwell time: 1–3 hours
Advantages of choosing this power range:
● no transformer upgrade required
● low investment threshold
● covers mainstream passenger cars
Recommended Products → 20-40kW DC EV Charger
Choosing the Right Connector for Your Market
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North America
Main Interface: CCS1
Optional Interface: J1772 (suitable for AC/DC mixed environments)
Typical Applications: Fleet charging stations, commercial parking lots, highway fast charging stations
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Europe
Main Interface: CCS2
Auxiliary AC Support: Type 2
Typical Applications: Municipal projects, office building charging stations, retail parking lots
Prepare Your Site and Grid Capacity
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Transformer Capacity
DC fast chargers exceeding 120 kW typically require dedicated transformer upgrades.
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Demand Charges
In North America, high power demand during peak hours can result in significant monthly electricity bills.
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Load Management
Intelligent load balancing technology allows multiple charging stations to share limited grid capacity.
A well-designed DC charging project balances charger power with grid capacity limitations. Intelligent load management can often reduce infrastructure investment by 30% to 40%.
Choosing the Right OCPP Version for Your Operations
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OCPP 1.6 – Mature, Reliable, and Widely Used
Suitable for: Existing charging networks, early-stage operators
Advantages:
Extensive backend compatibility
Lower integration complexity
Limitations:
Limited support for advanced energy management
Poor future scalability for large networkst
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OCPP 2.0.1 – Designed for Large-Scale Operations
Suitable for: Fleet operators, commercial networks, utility-supported projects
Advantages:
More robust security framework
Advanced smart charging and firmware control
Long-term scalability
Considerations:
Backend systems must support version 2.0.1
Slightly higher integration requirements
Why Partner with OLINK for Commercial Projects
Olink’s EV charging stations are developed by an experienced engineering team covering electrical design, thermal management, and system integration. With power ranges from 20kW to 600kW, each platform is built for stability, scalability, and compatibility with regional standards, supporting both residential and commercial deployment.
Our in-house production lines ensure controlled manufacturing, strict quality inspection, and consistent output capacity. Modular architecture allows efficient assembly while enabling flexible power configuration and phased expansion based on project requirements.
We support project customization including connector standards, communication protocols, branding, enclosure structure, and installation methods (wall-mounted or pole-mounted). Standard models offer stable lead times, while customized projects are scheduled according to technical scope and volume, ensuring clear delivery planning and reliable execution.
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Commercial Application Coverageo
Application
Frequently Asked Questions About OLINK DC EV Charger
What is a DC EV charger?
DC EV charging stations convert AC power from the grid directly into DC power to charge vehicle batteries, bypassing the onboard converter and enabling charging speeds far faster than AC charging stations. OLINK DC charging stations cover a power range from 7kW to over 180kW, meeting the needs of various commercial deployment scenarios.
How Does a DC EV Charging Station Work?
The charging station converts grid AC into DC and delivers high-power (50-350
kW) directly to the vehicle battery. It communicates with the vehicle (e.g., via
CCS or CHAdeMO protocols) to optimize charging efficiency and safety.
Advantages of Choosing DC Car Chargers?
● Ultra-fast charging: 20-60 minutes to reach 80% charge.
● High efficiency and stability: Reduces energy conversion loss.
● Ideal for long-distance travel: Suitable for highways, commercial fleets, and similar scenarios.
Are DC EV Charging Stations Compatible with All Electric Vehicles?
No. The vehicle must support DC fast-charging protocols (CCS1, CCS2, CHAdeMO, GB/T, or NACS). Some entry-level models are incompatible. OLINK DC charging stations support all mainstream interface standards and can be configured according to the target market.
What documents are required for commercial deployment in North America?
UL/ETL test reports, installation drawings, EMC compliance certificates, and OCPP interoperability certificates.OLINK provides a complete compliance documentation package for the North American and European markets.
Can these charging stations be customized with branding or firmware?
Yes – OLINK OEM/ODM options include custom user interfaces, logos, language packs, and payment modules.
Can your DC charging stations integrate with our existing backend platform?
Yes. OLINK DC charging stations support OCPP 1.6 and OCPP 2.0.1 and can integrate with most major charging management platforms in North America and Europe. We provide protocol documentation and testing support during the integration process.
Do you support both CCS1 for North America and CCS2 for Europe in the same product line?
Yes. We offer configurations for different regions within the same product line, including CCS1 for North America and CCS2 for Europe. Hardware, firmware, and certifications are adjusted accordingly.
How many charging stations can be deployed with limited grid capacity?
With dynamic load management, multiple DC charging stations can share a single power source. For example, two 120 kW charging stations can operate within a 180-200 kW grid capacity limit through intelligent power distribution.
What warranty and after-sales support do you provide?
We offer a standard 1-year warranty on core components. We provide remote diagnostics, OTA firmware updates, and spare parts support for international projects.
Can your charging stations adapt to different voltage and grid standards?
Yes. OLINK DC charging stations support a wide input voltage range and can be configured for regional grid standards in North America and Europe.
Is it possible to start with OCPP 1.6 and then upgrade to OCPP 2.0.1?
Yes. Our platform allows for future protocol upgrades via firmware updates, enabling operators to migrate as their network scales.
What grid capacity is required for a 150kW DC charger?
A 150 kW DC fast charger typically requires a three-phase AC supply of 400–480 V with 250–350 A per phase, depending on the charger’s efficiency and power factor. Proper planning with a certified electrical engineer is essential to ensure safe and stable operation.
How many DC chargers are needed for a fleet depot?
The number of chargers depends on your fleet size, daily mileage, and charging window. For example, a depot with 10 vehicles requiring full charge overnight (8–10 hours) may need 2–3×150 kW chargers, while tighter turnaround schedules require proportionally more chargers. Load management solutions can optimize usage and reduce grid impact.
Can DC chargers operate in 50°C environments?
Yes, most commercial DC chargers are rated for -30°C to +50°C ambient temperatures, with advanced cooling systems ensuring reliable operation. Proper installation with ventilation and shading further extends performance in high-temperature conditions.
What is OLINK's minimum order quantity (MOQ) for DC chargers?
OLINK offers flexible MOQs for DC EV chargers. The MOQ starts at 10 units for standard models, while customized OEM/ODM projects typically require a minimum of 50 units. Qualified B2B customers may request sample orders. Please contact the OLINK sales team for project-specific MOQ details.
What is OLINK's standard lead time for DC charger orders?
OLINK's standard lead time for DC chargers is 30 working days. Customized orders (involving specific connectors, firmware, or branding requirements) typically require 45–60 working days, depending on the project scope. Expedited orders may be accommodated subject to stock availability. OLINK provides clear delivery schedules and milestone tracking.
Does OLINK provide installation guidance or on-site support?
OLINK provides comprehensive installation manuals, wiring diagrams, and remote technical support for all DC charger models. On-site commissioning support can be arranged for large-scale projects. OLINK's engineering team assists throughout the process, covering site planning, grid assessment, and OCPP integration.
Can OLINK customize DC chargers for specific project requirements?
Yes. OLINK offers end-to-end OEM/ODM customization, including connector standards (CCS1/CCS2/CHAdeMO/GB/T/NACS), OCPP protocol versions, enclosure design and color, screen UI/language, payment systems, and power configurations. Customized projects are managed by a dedicated engineering team, featuring clear milestones and a sample approval process.
How does OLINK ensure quality control before shipment?
Every OLINK DC charger undergoes [XX] quality inspection procedures before leaving the factory, including full-load burn-in tests, insulation resistance tests, OCPP connectivity verification, and visual inspections. OLINK's ISO-certified factory operates 10 production lines with an annual capacity of 100,000 units. A comprehensive test report accompanies every shipment.
DC Fast Charger Power Selection Guide (20kW vs 60kW vs 120kW+)
When selecting DC EV Charging Station Products, power rating matters—but one size doesn’t fit all. Here’s how to match charger capacity with real-world needs:
20–40kW DC Chargers: Ideal for community parking, workplaces, or urban destinations where vehicles park for 1–3 hours. These balance cost and charging speed, supporting most passenger EVs without expensive grid upgrades.
60–120kW DC Chargers: Perfect for high-traffic public stations, fleet depots, or highway rest stops. They deliver 80% charge in ~30 mins, maximizing turnover for ride-hailing or logistics fleets.
150kW+ Ultra-Fast Chargers: Designed for fuel stations, long-haul trucking corridors, or premium commercial hubs, where 15–20min charging is critical.
CCS1 / CCS2 / CHAdeMO / GB/T Protocol Compatibility Guide
As a leading DC EV charging station manufacturer, we understand that global markets demand different charging standards. Here’s a quick breakdown:
CCS1 (Combo1): Dominant in North America, combines AC/DC pins for wide EV compatibility.
CCS2 (Combo2): The European & Oceania standard, with a sleeker design for 3-phase AC support.
CHAdeMO: Still critical for Japanese/Korean EVs (e.g., Nissan Leaf) and commercial vehicles.
GB/T: Mandatory for China’s EV market, optimized for high-power charging.
Key Deployment Scenarios and Operational Considerations for Commercial DC Fast Chargers
Fleet Depots – DC chargers in fleet depots are ideal for overnight smart charging, allowing operators to optimize electricity usage and costs. Centralized management systems enable real-time monitoring, scheduling, and load balancing across multiple vehicles, ensuring efficient and reliable fleet operations.
Logistics Distribution Centers – High vehicle turnover demands fast and consistent charging. DC chargers in these environments support energy management strategies, reduce peak demand charges, and maintain operational efficiency for delivery and distribution fleets.
Commercial Real Estate– Installing DC chargers in commercial buildings provides tenants with convenient EV access while creating new revenue streams. Smart billing systems and usage monitoring ensure transparent, automated, and scalable operations.
Highway Public Fast Charging - For public charging along highways, ultra-fast chargers (300kW+) with dual-gun configurations are deployed to serve multiple vehicles simultaneously. High uptime and robust infrastructure are critical to maintain driver satisfaction and support long-distance travel.
DC Fast Charger Installation and Grid Planning Requirements
Infrastructure and Civil Preparation - DC fast charging stations are typically heavy and require a reinforced concrete foundation to ensure structural stability. It is also recommended to reserve cable conduits and incorporate proper drainage design during construction. In public or high-traffic locations, protective barriers and well-planned vehicle traffic flow should be implemented to prevent collisions and maintain safe, efficient operations over the long term.
Transformer and Power Capacity Assessment - For charging equipment rated 150 kW or higher, installing a dedicated transformer is generally recommended. It is important to evaluate whether the available three-phase power capacity can support sustained high-load operation. In fleet depots or multi-connector charging scenarios, integrating a load management system can help optimize peak power usage and reduce the risk of high demand charges.
Permits and Grid Connection - Commercial fast charging projects often involve utility applications, grid connection approvals, and compliance documentation, such as certifications under IEC, CE, or UL standards. Early communication with the local utility provider can significantly shorten the project timeline and help avoid delays or repeated construction work.
A well-planned installation and grid integration strategy is critical to ensuring the reliability, efficiency, and long-term return on investment of a DC fast charging station.
OLINK provides end-to-end support for your commercial charging projects, ranging from product selection consultation to volume delivery. Whether you require the procurement of standard products or OEM/ODM customization, the OLINK engineering team will assist you in bringing your project to fruition.