Company
SK Signet is committed to driving the transformation towards electrification, pioneering innovative charging solutions, and shaping the future of sustainable mobility.
SK Signet
With the largest market share in the U.S. ultra-fast EV charging segment, we are a leader and pioneer in the charging industry.
We take pride in delivering the fastest, safest, and most convenient charging experience to the broadest range of customers. With SK Signet, you can rely on cutting-edge charging solutions that meet your needs and exceed your expectations.
Global Network
Driving global transformation with SK Signet
SK Signet has made a significant global impact by establishing production plants in key markets such as Korea and the United States. These strategic locations enable us to serve major markets and deliver our charging solutions efficiently and effectively.
North America
Europe
Asia
How We Think
We envision a sustainable world that seamlessly integrates mobility with clean energy. SK Signet has been committed to leading this transformation for over 25 years.
Our Mission
Committed to building a sustainable world by connecting mobility and clean energy
Our Vision
We’re a 'Total Solution Provider' for all EV Charging Needs
Our Core Values
Happy Employees - Happy Customers - Happy Shareholders - Happy Planet
Our Mission
Committed to building a sustainable world by connecting mobility and clean energy
Our Advantage
SK Signet has established itself as a global leader and force for change in the industry.
We showcase exceptional performance in global sales, technological reliability, and management capabilities.
28 Years of Technology
Our extensive know-how, earned over years of experience, allows us to deliver cutting-edge charging solutions.
Strategic Management
Our approach enables us to deliver projects on time, manage complex problems, and provide comprehensive client support.
400kW Ultra-Fast Charging
Our super-fast 400 kW chargers revolutionize the charging experience, powering vehicles to 80% capacity in just 15 minutes
28 Years of Technology
Our extensive know-how, earned over years of experience, allows us to deliver cutting-edge charging solutions.
Global Market Competitiveness
We are aggressively expanding in the US and Europe through large-scale projects.
Technological Advantage & Production Capacity
We produce high power efficiency in independent power modules, with a global production capacity of up to 30,000 units per year
Competitive R&D Capabilities
We’re conducting research and product testing at our integrated center and actively incorporate customer feedback.
Sustainable Growth
We’re constantly developing our technology roadmap to adapt to and advance the evolving EV charging market paradigm.
Our Patents
Enhancing Technological Competitiveness through Unparalleled R&D Capabilities
SK Signet is an EV technology leader with an exceptional R&D system. We hold numerous patents and intellectual properties across different countries and brands, solidifying our reputation for unmatched technological competitiveness.
| Patent Name | Patent Type | Registration Number | Registration Date |
| Heat protection case | Korean Patent | 10-0676891 | 01/25/2007 |
| Charger with parallel driving integration and decentralized control support | Korean Patent | 10-0848297 | 07/18/2008 |
| Electric vehicle charging device for parking towers | Korean Patent | 10-20022905 | 07/17/2019 |
| Charging method of electric vehicle charging systems | Korean Patent | 10-2003360 | 07/18/2018 |
| Charger capable of performing integrated control | U.S. Patent | 8, 102, 149 B2 | 01/24/2012 |
| Integrated decentralized control of parellel driving | Japanese Patent | 4691588 | 02/25/2011 |
| Charging Module For Electric Vehicle Charging Apparatus | Korean Patent | 10-2251204 | 05/06/2021 |
| Charging Apparatus Based On Vehicle-To-Grid And Driving Method Thereof | Korean Patent | 10-2182321 | 11/18/2020 |
| An Electric Vehicle Charging Method Using A Plurality Of Charging Modules And Apparatus Therefor | Korean Patent | 10-2267043 | 06/14/2021 |
| ESS System For Charging Fuel Cell Electric Vehicles And Electric Vehicles | Korean Patent | 10-2228132 | 03/10/2021 |
| Inrush Current Prevention Method And Device Therefor | Korean Patent | 10-2319685 | 10/26/2021 |
| Method Device And System For Strengthening Authentication Security Of Members Using Electric Vehicle Charger Using The Balance Of The Rechargeable Card | Korean Patent | 10-2324912 | 11/05/2021 |
| Big Data-Based Central Control Charging System Method And Device | Korean Patent | 10-2406394 | 06/02/2022 |
| Multi-Channel Flow Control Integrated Cooling System For Charging Electrical Vehicles | Korean Patent | 10-2415853 | 06/28/2022 |
| Distributed Power Sharing Type Electric Vehicle Charging System | Korean Patent | 10-2455901 | 10/13/2022 |
| Big Data-Based Central Control Charging System | Korean Patent | 10-2458402 | 10/20/2022 |
| Electric Vehicle Charging Method For Preventing Inrush Current And Device For The Same | Japanese Patent | 7216844 | 01/24/2023 |
| Big Data-Based Charging Control Method | Korean Patent | 10-2497753 | 02/03/2023 |
| Electric Vehicle Charging Method For Preventing Inrush Current And Device For The Same | U.S. Patent | US 11605958 | 03/14/2023 |
| Phase Shift Full Bridge Converter Circuit For Eliminating Lagging Leg | Korean Patent | 10-2522372 | 04/12/2023 |
| Mobile EV Charger And Controlling Method Thereof | Korean Patent | 10-2535106 | 05/17/2023 |
| Apparatus And Method For Managing Battery Monitoring Data | Korean Patent | 10-2646874 | 03/07/2024 |
| Electric Vehicle Charging Method For Preventing Inrush Current And Device Therefor | UK Patent | GB2615437 | 09/11/2024 |
| Apparatus For Controlling Vehicle To Vehicle Charging And Method Thereof | Korean Patent | 4001000 | 10/30/2024 |
| Central Control Charging System Method And Apparatus Based On Big Data | U.S. Patent | US 12,263,748 B2 | 04/01/2025 |
| Battery Monitoring Data Management Device And Method | U.S. Patent | US 12,265,135 B2 | 04/01/2025 |
| Distributed Power Sharing Type Electric Vehicle Charging System | U.S. Patent | US 12,337,717 B1 | 06/24/2025 |
Patent Name
Heat protection case
Patent Name
Charger with parallel driving integration and decentralized control support
Patent Name
Electric vehicle charging device for parking towers
Patent Name
Charging method of electric vehicle charging systems
Patent Name
Charger capable of performing integrated control
Patent Name
Integrated decentralized control of parellel driving
Patent Name
Charging Module For Electric Vehicle Charging Apparatus
Patent Name
Charging Apparatus Based On Vehicle-To-Grid And Driving Method Thereof
Patent Name
An Electric Vehicle Charging Method Using A Plurality Of Charging Modules And Apparatus Therefor
Patent Name
ESS System For Charging Fuel Cell Electric Vehicles And Electric Vehicles
Patent Name
Inrush Current Prevention Method And Device Therefor
Patent Name
Method Device And System For Strengthening Authentication Security Of Members Using Electric Vehicle Charger Using The Balance Of The Rechargeable Card
Patent Name
Big Data-Based Central Control Charging System Method And Device
Patent Name
Multi-Channel Flow Control Integrated Cooling System For Charging Electrical Vehicles
Patent Name
Distributed Power Sharing Type Electric Vehicle Charging System
Patent Name
Big Data-Based Central Control Charging System
Patent Name
Electric Vehicle Charging Method For Preventing Inrush Current And Device For The Same
Patent Name
Big Data-Based Charging Control Method
Patent Name
Electric Vehicle Charging Method For Preventing Inrush Current And Device For The Same
Patent Name
Phase Shift Full Bridge Converter Circuit For Eliminating Lagging Leg
Patent Name
Mobile EV Charger And Controlling Method Thereof
Patent Name
Apparatus And Method For Managing Battery Monitoring Data
Patent Name
Electric Vehicle Charging Method For Preventing Inrush Current And Device Therefor
Patent Name
Apparatus For Controlling Vehicle To Vehicle Charging And Method Thereof
Patent Name
Central Control Charging System Method And Apparatus Based On Big Data
Patent Name
Battery Monitoring Data Management Device And Method
Patent Name
Distributed Power Sharing Type Electric Vehicle Charging System