CTNS
CTNS is a South Korean battery pack intelligence platform that designs, manufactures, and monitors custom multi-variant secondary battery packs for robotics, drones, industrial mobility, solar EVs, and defense customers, combining ZENION standardized packs, CAMS AI-autonomous manufacturing, ri-BMS on-device AI, and the ribiOS monitoring SaaS.
- Company typePrivate
- Founded2017
- HeadquartersChangwon, South Korea
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What CTNS does
CTNS Co., Ltd. (Creative Technology & Sustainability), founded in 2017 in Changwon, South Korea, designs, manufactures, and integrates custom secondary battery packs for mission-critical, multi-variant, low-volume end markets that large cell makers and Tier-1 EV battery suppliers do not directly serve — including service and humanoid robotics, port AGVs and forklifts, commercial drones and UAM, solar-integrated EVs, industrial ESS/UPS, and defense and aerospace applications. The company operates as a "Battery Pack Intelligence Platform" organized around four proprietary technology pillars: ZENION, a standardized block-type design platform that composes cell, module, BMS, and pack to rapidly configure multi-variant packs across the Robotics, LSV, and Micro Mobility product lines; CAMS, an AI-autonomous flexible manufacturing system that produces diverse module types without manual teaching at claimed ~+500% per-person productivity improvement; ribiOS, a subscription SaaS for real-time safety, SoH/RUL monitoring, and residual-value management; and ri-BMS, an on-device adaptive AI battery management system with fire pre-signature prediction. The company sells primarily through direct enterprise sales and a web-based quotation system, with a North American subsidiary in Seattle, WA supporting US defense and solar EV engagements, and pursues a multi-channel marketing strategy anchored on major trade shows (CES, InterBattery, K-Battery Show, NextRise, DIFA).
The business model combines one-time hardware revenue from ZENION pack sales and turn-key project services (BMS, housing, certification testing, mass production) with recurring ribiOS subscription revenue tied to deployed packs, plus trade-in and repurchase programs that generate residual-value economics. Named commercial anchors include a ~$9M battery pack supply contract and joint development with US solar-EV maker Aptera Motors (2024), a sovereign-drone K-Drone supply partnership with Pablo Aviation (2024), battery repurposing for Geojema Ocean Tourism's monorail (extending pack life by ~10 years), and a 2025 LOI with South 8 Technologies for LiGas-based defense and aerospace battery packs via the US subsidiary. CTNS holds 9+ certifications (ISO 9001, 14001, 26262, 21434, KC62619, UN38.3, UL, CE), and has been recognized as a Korean Baby Unicorn (2024) and DIPS 1000+ "Super-gap Startup" (2026). Funding to date includes seed rounds in 2021 (Series Ventures-led, with Gyeongnam Venture Investment, The Ventures, and CNT Tech), the Hana ESG Double Impact Matching Fund (2022), and a Series A in November 2023, with a stated ambition to reach 100 employees (from ~52 in May 2022) and 100 billion KRW in revenue by 2025.
CTNS firmographics
Firmographics- Name
- CTNS
- Legal name
- CTNS Co., Ltd.
- Website
- https://myctns.com
- Company type
- Private
- Founded year
- 2017
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- CTNS is a South Korean battery pack intelligence platform that designs, manufactures, and monitors custom multi-variant secondary battery packs for robotics, drones, industrial mobility, solar EVs, and defense customers, combining ZENION standardized packs, CAMS AI-autonomous manufacturing, ri-BMS on-device AI, and the ribiOS monitoring SaaS.
- Ownership category
- akta.pro rank
CTNS industry classification
Industry- Product category
- Battery Pack Manufacturing
- NAICS
- Battery Manufacturing (33591)
- SIC
- Instruments For Meas & Testing Of Electricity & Elec Signals (3825)
- akta.pro primary industry
- Battery Modules & Packs (Industrial/Commercial pack assembly) (IMAGAHAB)
- akta.pro secondary industries
- Battery Pack Manufacturing & Module Assembly (EUAFABAI), Battery Management Systems (BMS) & Pack Electronics Manufacturing (EUAFABAJ), Battery Packs & Energy Storage for Micromobility Manufacturing (IMACAOAE)
Keywords
Where CTNS is headquartered
LocationHeadquarters
- HQ city
- Changwon
- HQ country
- South Korea
- HQ region
- Asia
Offices4 records
Markets served
CTNS business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Technology or R&D, Operations, Supply Chain, Marketing or Sales, Infrastructure
Revenue model
- Battery Pack Sales (ZENION Product Line): CTNS designs, manufactures, and sells standardized and custom battery packs under the ZENION brand across Robotics, LSV/Golf Cart, and Micro Mobility segments. Revenue is generated through one-time hardware sales with per-project pricing, fulfilling turn-key battery pack projects from design through certification.
- ribiOS SaaS Subscription: Real-time battery safety monitoring, SOH/RUL diagnostics, and residual value management delivered as a subscription SaaS platform. Generates recurring revenue from battery pack customers post-sale, supporting battery return and repurchase program linkage.
- Turn-key Project Services: End-to-end project services covering BMS development, housing design, certified testing (KC, UL, CE, UN38.3), and mass production — offered as a complete turn-key package for battery pack projects.
- Defense & Aerospace Battery Pack (North American Market): CTNS is developing and supplying LiGas-based battery packs for defense and aerospace applications through its North American subsidiary, targeting U.S. defense primes and system integrators.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | ribiOS SaaS subscription (specific tiers not publicly disclosed) |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels5 records
CTNS product offering
Product offeringCore offering
CTNS designs, manufactures, and sells custom and standardized secondary battery packs under the ZENION brand for mission-critical multi-variant, low-volume applications including robotics, industrial mobility (LSV/golf carts), drones/UAM, and small-scale industrial ESS. The company also operates ribiOS, a subscription SaaS platform for real-time battery safety monitoring, state-of-health (SOH) and remaining useful life (RUL) diagnostics, and residual value management. Its offering is underpinned by four proprietary technology pillars: ZENION (standardized design), CAMS (AI-autonomous manufacturing), ri-BMS (on-device AI BMS), and ribiOS (operations data SaaS).
Product overview
CTNS operates as a Battery Pack Intelligence Platform organized around three core technological pillars — ZENION (standardized design), CAMS (AI-autonomous manufacturing), and ribiOS (operational SaaS) — integrated by ri-BMS on-device AI. ZENION is the company's standardized battery pack brand offering three product lines: Robotics packs (Samsung SDI 50E cells, 25.4V–47.2V, 39.2Ah–98Ah, CAN/RS protocols, LINK-B and wireless charging support) for service, logistics, defense, and humanoid robots; LSV packs (EVE LF105 cells, 51.2V–76.8V, 105Ah–210Ah) for golf carts and low-speed vehicles; and Micro Mobility packs (Samsung SDI 50E, 36.3V–47.2V, 9.8Ah–29.4Ah) for e-scooters and e-bikes. ribiOS is a subscription SaaS platform providing real-time battery safety monitoring, SoC/SoH/RUL diagnostics, risk/anomaly analysis, and a battery return/repurchase program. CAMS is an AI-autonomous manufacturing system producing multi-variant packs without manual teaching at approximately +500% per-person productivity gain. ri-BMS is the on-device adaptive AI BMS providing real-time SoC/SoH estimation and fire pre-signature prediction. Supporting products include the B-CON M1 lightweight home ESS, the SWAFT BSS rapid battery swap system, C-FMS flexible manufacturing solution, and C-BLMS lifecycle management system.
Differentiator
Problem solved
Functional benefit
Brands
- ZENION: Standardized battery pack platform — a modular design platform combining cell, module, BMS, and pack to configure multi-variant battery packs rapidly. Product lines include Robotics, LSV (Golf Cart), and Micro Mobility packs.
- CAMS
- ribiOS
- ri-BMS
- SIMBA
Products and services
- ZENION Standardized Battery Pack Platform ZENION is a standardized block-type battery pack platform that composes cell, module, BMS, and pack like building blocks to rapidly configure multi-variant battery packs across a wide range of form factors, chemistries, and capacity combinations without redesign. It encompasses three product lines: Robotics, LSV (Golf Cart), and Micro Mobility.
- ribiOS Battery Operations SaaS ribiOS is a subscription SaaS platform for real-time battery safety monitoring, lifespan tracking, and residual value management. It provides a unified dashboard aggregating battery status, location, and risk signals across field deployments, with features including real-time SoC/SoH monitoring, RUL prediction, risk/anomaly analysis with hazard alerts, and a battery return program linked to repurchase promotions.
- ZENION Robotics Battery Packs Battery packs optimized for service robots, logistics robots, defense, and humanoid robotics applications. Features Samsung SDI 50E cells, 60A–80A BMS, 25.4V or 47.2V nominal voltage, 39.2Ah–98Ah capacity, CAN and RS communication protocol support, and wireless charging support.
- ZENION LSV (Golf Cart / Low Speed Vehicle) Battery Packs Battery packs optimized for golf carts and Low Speed Vehicles (LSV). Uses EVE LF105 cells, DALY SMART BMS 250A, 51.2V or 76.8V nominal voltage, 105Ah or 210Ah capacity, max discharge current ≤375A. Available in 16S1P, 16S2P, 24S1P, 24S2P configurations.
- ZENION Micro Mobility Battery Packs Battery packs optimized for electric kick-scooters, e-bikes, and Micro Mobility applications. Uses Samsung SDI 50E cells at 36.3V (10S) or 47.2V (13S), 9.8Ah–29.4Ah capacity, 356W–1,388W rated output. Available in 10S PCM Soft Pack (10S2P–10S6P), 13S PCM Soft Pack (13S2P–13S6P), and KTX auxiliary battery Hard Pack formats.
- B-CON M1 Home/Portable Lightweight ESS A home and portable lightweight Energy Storage System (ESS) launched by CTNS in 2023, awarded the 2024 Red Dot Design Award for innovative industrial design.
- SWAFT BSS Rapid Battery Swap System A rapid battery replacement solution enabling quick battery swaps, first publicly displayed at K-Battery Show 2023.
- LiGas-based Defense & Aerospace Battery Packs LiGas liquefied gas electrolyte battery packs co-developed with South 8 Technologies for defense and aerospace applications. The packs offer superior safety, stable performance below -40°F, and precise state-of-health (SOH) monitoring, targeting North American, Korean, and global defense and aerospace customers.
- SIMBA Multi-Purpose Battery Pack Brand Multi-purpose battery pack brand jointly launched with STX Engine, combining STX Engine's industrial capabilities with CTNS's battery pack technology.
Quantifiable outcome
- ~+500% productivity improvement per person vs. conventional battery pack manufacturing
- +3 more outcomes
Companies that use CTNS
Customer profileNamed customers5 records
Segments5 records
Ideal customer profiles5 records
CTNS technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability4 records
Feature7 records
CTNS partnerships and signals
Strategic signalPartnerships
16 partnerships are on record, tiered core and minor.
- South 8 TechnologiescoreCTNS signed a LOI with South 8 Technologies on October 22, 2025, through its North American subsidiary, for the joint development and commercialization of LiGas liquefied gas electrolyte battery packs for aerospace and defense applications. The partnership targets extreme environment battery systems with superior safety and stable performance below -40°F, with joint customer development targeting North American, Korean, and global defense and aerospace markets.
- STX EngineminorJoint launch of the multi-purpose battery pack brand 'SIMBA' with STX Engine, combining STX Engine's industrial capabilities with CTNS's battery pack technology.
- Ontario Ministry of Economic Development (Ontario 경제부)minorOntario Ministry of Economic Development visited CTNS headquarters in May 2025, indicating growing international interest and potential collaboration in North American battery markets.
- STX Engine Executive TeamminorSTX Engine executive team visited CTNS headquarters in May 2025 to explore strategic collaboration opportunities.
- Mass Robotics (MASS ROBOTICS)minorMOU signed with Mass Robotics, a U.S.-based robotics industry organization, to strengthen CTNS's presence in the North American robotics market and explore battery pack integration opportunities.
- KAIST-MIT MINO International ConsortiumcoreInternational joint research consortium with KAIST and MIT MINO (Micro/Nano Technology) for advanced battery technology development, marking CTNS's participation in high-level academic-industry research.
- Aptera MotorscoreCTNS signed a strategic partnership with Aptera Motors at CES 2025, including a 3-way MoU with LG Energy Solution. CTNS is assembling battery modules on-site at Aptera's validation assembly line in California for Aptera's solar-powered electric vehicle, with approximately $9 million in battery pack supply contracts secured.
- LG Energy Solution (3-way MoU)coreA 3-way MoU involving CTNS, Aptera, and LG Energy Solution was signed at CES 2025 for Aptera's solar EV battery pack development, combining CTNS's battery pack integration, Aptera's vehicle design, and LG Energy Solution's battery cells.
- Elane (엘라인)minorMOU signed with Elane for total solution collaboration, expanding CTNS's reach in battery solution provision for specialized applications.
- KEN (케이엔에스)minorMOU signed with KEN, an automation equipment manufacturer, to strengthen CTNS's manufacturing automation capabilities and expand the customer base through joint solutions.
- Pablo AviationcoreMOU signed for drone and unmanned aerial vehicle technology advancement. Pablo Aviation is leading the 'Team Pablo' initiative to establish a sovereign drone supply chain in South Korea, with CTNS providing advanced battery pack solutions for K-Drone mass production.
- Eta Electronics (에타일렉트로닉스)minorMOU signed with Eta Electronics for power system business collaboration in the robot and mobility battery market, combining Eta Electronics' power electronics with CTNS's battery pack solutions.
- KTminorBusiness MOU signed with KT for developing energy storage device data services, leveraging KT's telecommunications infrastructure and data capabilities with CTNS's battery management technology.
- LG Energy SolutioncoreStrategic collaboration for space-rated batteries. South 8 Technologies has a strategic collaboration with LG Energy Solution for space-rated batteries, and CTNS is separately collaborating with South 8 on LiGas-based defense battery packs, creating an indirect but complementary three-way relationship for advanced battery solutions.
- Samsung ElectronicscoreSelected for the 2022 Large-Small Enterprise Collaboration Smart Factory Support Program co-hosted by the Ministry of SMEs and Startups and Samsung Electronics. Samsung mentors visited CTNS to support manufacturing innovation, operational system improvement, and automation development, including MES system implementation.
- ASIc (Artificial Super Intelligence Corp)minorMOU signed with ASIc for strengthening the North American battery market, combining ASIc's AI technology with CTNS's battery pack solutions.
Scale indicators7 records
Recent moves7 records
Expansion highlights6 records
CTNS competitors and assessment
Company assessmentBroad incumbents
- EnerSys: Global industrial battery incumbent (NYSE: ENS) covering motive power, network power, and aerospace/defense — overlaps CTNS's industrial mobility and ruggedized battery business through its broader portfolio and channel scale rather than custom niche focus.
- Fluence Energy: Global utility-scale energy storage and software (NASDAQ: FLNC) provider — overlaps CTNS's industrial ESS and ribiOS monitoring layers but at multi-megawatt scale with a fundamentally different customer profile (utilities vs. industrial integrators).
- Microvast: Vertically integrated lithium-ion battery maker (NASDAQ: MVST) producing cells, modules, and packs for commercial vehicles and ESS — comparable to CTNS across the pack value chain but at much larger scale with its own cell production and broader segment coverage.
Direct peers
- Ecobat: Global battery solutions company providing custom battery packs, ESS, and recycling services across industrial applications — directly comparable to CTNS's custom pack + second-life repurposing model with significantly broader geographic reach.
- Epec Engineered Technologies: US-based custom battery pack and BMS manufacturer for medical, military, and industrial applications — directly comparable to CTNS's custom pack engineering with PCBA and proprietary BMS capabilities.
- BMZ Group: German custom lithium-ion battery pack specialist serving e-mobility, industrial, and medical applications with in-house BMS development — directly comparable to CTNS across product breadth, customer-mix (multi-variant low-volume), and Europe/global GTM.
- Green Cubes Technology: US-based industrial lithium battery and charger manufacturer for motive power, mobile robotics, and AGV/LSV applications — directly overlaps CTNS's Industrial Mobility and Robotics segments with comparable custom pack engineering and Software/SaaS monitoring overlays.
- K2 Energy Solutions: US-based custom Li-ion and LiFePO4 battery pack maker for military, medical, and industrial applications — directly comparable to CTNS's custom-pack defense pivot with in-house BMS and ruggedized pack design.
- Inventus Power: US-based custom lithium-ion battery pack manufacturer serving industrial mobility, robotics, and medical markets — the closest Western analogue to CTNS's mission-critical multi-variant pack business model, with a comparable focus on in-house BMS and custom engineering.
Emerging players
- Polarium: Swedish modular lithium-ion battery storage and monitoring SaaS provider for telecom, commercial, and industrial segments — overlaps CTNS's ribiOS SaaS monitoring layer and small-scale ESS line, though primarily focused on stationary storage rather than mobility.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
CTNS social profiles
Digital presenceCTNS compliance and trust
Trust signalCompliance8 records
CTNS financial estimates
Financial estimateRevenue estimate
Valuation estimate
CTNS leadership team
Management profileNumber of profiles
Profiles2 records
CTNS subsidiaries and ownership
Company hierarchySubsidiaries1 record
CTNS funding detail
Funding detailFunding overview
Funding rounds6 records
Investors8 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
CTNS M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about CTNS
What does CTNS do?
CTNS designs, manufactures, and sells custom and standardized secondary battery packs under the ZENION brand for mission-critical multi-variant, low-volume applications including robotics, industrial mobility (LSV/golf carts), drones/UAM, and small-scale industrial ESS. The company also operates ribiOS, a subscription SaaS platform for real-time battery safety monitoring, state-of-health (SOH) and remaining useful life (RUL) diagnostics, and residual value management. Its offering is underpinned by four proprietary technology pillars: ZENION (standardized design), CAMS (AI-autonomous manufacturing), ri-BMS (on-device AI BMS), and ribiOS (operations data SaaS).
Is CTNS a public or private company?
CTNS is a private company. It is classified as venture growth investor backed and is currently operating.
When was CTNS founded?
CTNS was founded in 2017. It employs 51 to 100 people.
Where is CTNS based?
CTNS is headquartered in Changwon, South Korea, in the Asia region.
How does CTNS make money?
Four revenue lines are on record. Battery Pack Sales (ZENION Product Line) is the primary driver. The others are ribiOS SaaS Subscription, turn-key Project Services and defense & Aerospace Battery Pack (North American Market).
Who are CTNS's main competitors?
Broad incumbents on record are EnerSys, Fluence Energy and Microvast. Direct peers are Ecobat, Epec Engineered Technologies, BMZ Group, Green Cubes Technology, K2 Energy Solutions and Inventus Power. Polarium is listed as an emerging player.
Does CTNS have an API?
No public API is recorded for CTNS.
What industry is CTNS in?
CTNS's product category is Battery Pack Manufacturing. Its primary akta.pro industry code is IMAGAHAB, Battery Modules & Packs (Industrial/Commercial pack assembly), with a secondary code of EUAFABAI, Battery Pack Manufacturing & Module Assembly. Its NAICS code is 33591 and its SIC code is 3825.