Best Energy Storage Tech Companies in Seoul, South Korea
The 31 best Energy Storage Tech companies in Seoul, South Korea in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: SK On.
Our analysis of 50 Energy Storage Tech companies
$13.7b in tracked funding; 88% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Storage Tech companies in Seoul
| # | Company | Last round | Disclosed funding | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Battery Fly Provider of battery analytics | — | — | — | Sungwon Park Founder & CEO | — | — | — | — |
| 2 | Chain Lightning Provider of charging solutions for EVs | — | — | — | Sungsu Jang Founder & CEO | — | — | — | — |
| 3 | elecvery App-based platform offering electric vehicle charge point locater services | — | — | 23 | — | Node.jsNaver MapsTailwind CSS+13 | Top 5M | — | — |
| 4 | EVSIS Online platform offreging solutions for electric vehicle charging | — | — | — | Oh Young Sik CEO | — | Top 5M | 3 patents Patents concentrated in electrical & electronics | — |
| 5 | KEvit Provider of hardware and software solutions for electric vehicle charging | — | — | 25 | Seyoung Oh Founder & CEO | JavaUbuntuNginx+9 | Top 50M | — | — |
| 6 | oilnow korea Oilnow Korea provides real-time gas station price comparison information. | — | — | 17 | — | Node.jsReactNext.js App Router+12 | Top 5M | — | — |
| 7 | Piggy Cell Provider of solutions to rent mobile power banks | — | — | 27 | — | PHPNaver MapsNginx+8 | Top 10M | — | — |
| 8 | Quantum On Manufacturer of battery components | — | — | — | Kim Jun-Seong CEO | — | — | 9 patents Patents concentrated in electrical & electronics | — |
Top 12 Energy Storage Tech companies in Seoul
#1
Series A · Seoul, Seoul · founded 2017 · 49 employees$12.1Mraised▾
Provider of LTO battery technology for renewable energy solutions. It offers lithium titanate batteries for power source management. It also offers to build and operate large-scale renewable energy plants and develop battery technologies.
- Apr 2025Series A$1.5M
- Nov 2021Series A$8.4M
- Seed$3.7M
#2
Series E · Seoul, Seoul · founded 2021 · 2889 employees$1.7Braised▾
Provider of energy and chemical products, including batteries and lubricants. The organization focuses on battery business, alongside exploration and production. It offers a range of products, including petrochemicals, plastics, and performance materials. The business is structured around several core divisions, each specializing in different aspects of the energy, chemical, and advanced materials sectors.
- Jul 2023Series E$100M
- Jun 2023Series E$400M
- May 2023Series E$944M
- Mar 2023Series D$289.3M
#3
Series A · Seoul, Seoul · founded 2016 · 42 employees$70.6Mraised▾
App-based platform offering charge point locater services. The company offers mobile application EV infra which provides information on electric vehicle charging points, Soodal offers information on hydrogen vehicle charging stations. Also, it offers in-app payments for charging. The mobile application is available for Android and iOS platforms.
- Mar 2024Series A$3.6M
- Jan 2022Series A$67M
#4
Series A · Seoul, Seoul · founded 2021 · 14 employees$4.8Mraised▾
Provider of an app-based platform to EV charging stations. It users the users to check the nearest charging station in real time by choosing the charging type and operating organization. The platform offers other features like on demand charging solutions, integrated payment, vehicle management, community platform, etc. Mobile applications are available for android and iOS users.
- Jul 2024Series A$2.2M
- 2022Seed$2.4M
#5
Series B · Seoul, Seoul · founded 2012 · 59 employees$46.9Mraised▾
Operators of electric vehicle charging stations. The company offers electric vehicle charging solutions for individuals and businesses. It offers hardware and software-enabled solution it offers plug-in charging devices and offers mobile applications for users to find charge stations in the vicinity. The mobile application is available for Android and iOS platforms.
- Jul 2023Series B$38.6M
- Jan 2022Series A$8.3M
#6
Public · Seoul, Seoul · founded 2020 · 11080 employees$2.8Mraised▾
Manufacturer of advanced batteries for automotive, mobility, IT, and ESS applications. The company provides batteries for electric vehicles, mobility devices, information technology, and energy storage systems. It focuses on product stewardship, building sustainable battery ecosystems, and protecting the planet. The organization also emphasizes empowering people, workplace safety, and creating value for partners.
- May 2024Grant (prize money)$2.8M
#7
Series C · Seoul, Seoul · founded 2020$84Mraised▾
Provider of copper battery foils. It provides material for the cathode of lithium-ion batteries. It provides thin, long, and wide, battery copper foils enabling batteries to have higher capacity, lighter weight, lower costs, and improve productivity.
- Dec 2021Series C$84M
#8
Seed · Seoul, Seoul · founded 2011 · 26 employees$3Mraised▾
INGINE is a technology solutions provider for energy harvesting from the wave. It offers a Wave Energy Converter technology that can generate power using wave movements. It can be installed in breakwater barriers in coastal areas. Other solutions include Multi-DOF Energy Recovery Technology which can generate energy from waves irrespective of their direction.
- May 2021Conventional Debt$3.5M
- Jul 2020Seed$2.1M
- Aug 2016Seed$905.2K
#9
Deadpooled · Seoul, Seoul · founded 2007 · 73 employees$10.8Mraised▾
Leo Motors focuses on development of electric vehicles and energy storage products. The company specializes in development of batteries for electric vehicles. The company has developed cartridge batteries that can be easily replaced and swapped in electric vehicles. The company is developing connected battery swap system for implementation of the same. The company also plans to develop electric vehicle around the system. The company is listed on the OTCMKT and has offices in Korea & US.
- May 2016Post IPO$10M
- Aug 2014Post IPO$810.1K
#10
Seed · Seoul, Seoul · founded 2014$253.7Kraised▾
Geo-Line is a Korean company focused on developing solutions for management of EV charging transactions. The company has developed a mobile charging-payment solution PLUG&PAY which can be used with the current charging infrastructure. The users can plug in the charger to a socket having a Standby Powerless Security System (SPSS). The SPSS is a specially designed socket that verifies user ID and only allows authorized users to use electricity.
- Dec 2015Seed—
- Sep 2015Grant (prize money)$253.7K
#11
Funding Raised · Seoul, Seoul · founded 1997 · 8 employees—raised▾
Enertech International is a Korea based company that manufactures lithium-ion batteries and their components. The company specializes in developing batteries for electric vehicle applications, and UPS power supply.
- Mar 2021Unattributed—
#12
Funding Raised · Seoul, Seoul · founded 2019—raised▾
Provider of hydrogen power generation system. It is an energy-independent green hydrogen energy production and storage system powered by water. It also offers an IoT-based energy data collection and real-time two-way integrated energy management solution.
- Oct 2020Grant (prize money)—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Storage Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Energy Storage in Seoul is moving
A read on the academic research around Energy Storage in Seoul — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 104 papers.
- Seoul National University75
- Seoul National University of Science and Technology22
- University of Seoul6
- Seoul National University of Education3
- The Seoul Institute2
- Battery (electricity)3→8
- Electrochemistry3→7
- Cathode1→4
- Aqueous solution1→4
- Anode2→4
- Electrolyte2→7
- Battery (electricity)5→8
- Anode2→4
- Electrochemistry1→3
- Nanotechnology2→3
- Electrolyte2→8
- Anode1→4
- Electrochemistry2→5
- Battery (electricity)2→5
- Lithium (medication)2→5
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.