James Xiong
Executive Adviser @ Cubenergy GmbH
About
🔋 BESS for DACH — From Concept to Grid Connection.I help EPCs, project developers, and investors deploy battery energy storage projects in Germany faster, leaner, and VDE-compliant — from system design to successful commissioning.Core expertise:▸ C&I & Utility-Scale BESS (100 kWh – 1,000+ MWh)▸ VDE-AR-N 4105 / 4110 / 4120 / 4130 compliance & certification▸ China–EU supply chain: procurement, customs, TARIC, price negotiation▸ Go-to-Market: EPC tenders, project financing, partner ecosystems▸ Revenue streams: FCR, aFRR, arbitrage, peak shaving, PV/wind co-locationWhat I do in practice:→ System design & manufacturer selection (Cubenergy FlexCube / PowerCombo)→ Compliance review: EN 50549 vs. VDE, unit certificates, NELEV→ Grid connection support: NAB, TAB, metering concept, Reifegradverfahren→ Business case analysis: landed cost, EPC calculation, revenue stacking→ Ecosystem building: installers, utilities, financing partnersBackground: Dipl.-Ing. Electrical Engineering (KIT) | PMP | IHK Elektrotechniker | Stanford SRI Innovation Program3× successful exits as founder/MD in hardware, EV charging & IoT📩 Looking for VDE-compliant BESS or a non-binding cost estimate? Connect or message me directly.
Germany
Stuttgart Region
Mechanical Or Industrial Engineering
Battery Energy Storage Systems (BESS), Grid Integration / VDE-AR-N Compliance, Technischer Verkauf, Supply-Chain-Management, Energiemanagementsysteme (EMS), Energy Storage Project Development, Business-to-Business (B2B), Customer Relationship Management (CRM), Strategic Planning, Business Development
Experience

Executive Adviser
Düsseldorf, Nordrhein-Westfalen, Deutschland
Strategic advisory for a leading BESS manufacturer, driving C&I and utility-scale storage solutions across Europe. 🎯 Key Focus Areas: → DACH Market Expansion: Positioning FlexCube series (125kW–1MW+) → Channel Development: Building EPC, installer & project developer networks → Go-to-Market: Grid-forming, stand-alone & renewable co-location → Target Applications: Peak shaving, arbitrage, frequency regulation 🔋 Products: FlexCube-C1:250 (125kW/250kWh) to multi-MW container solutions 📜 Certifications: VDE4105, VDE4110, EN50549

Managing Director
Frankfurt am Main, Hesse, Germany
Full P&L responsibility for product development, sales, and business growth of an EV charging and energy storage company. 📊 Key Achievements: → Built product portfolio: AC/DC charging stations, wallboxes, portable chargers → Developed V2G integration and OBC modules for OEM customers → Successfully commercialized C&I battery storage with EMS solutions → Established strategic partnerships with automotive suppliers 🏆 Exit: Acquired by Joysonquin Group (end of 2024) 💡 Technologies: EV Charging | V2G | BMS | Energy Storage | EMS

Managing Director
Shenzhen, Guangdong, China
Built and led a startup focused on WiFi6/5G routers and IoT modules for consumer and Industry 4.0 applications. 📊 Key Achievements: → Scaled team from 0 to 20+ employees → Developed product portfolio for smart home and industrial IoT → Established international sales channels across EU and Asia → Led company to profitable exit 🏆 Exit: Acquired by Nanjing Sunlord Electronics (Stock: 300975.SZ) in 2021 💡 Technologies: WiFi6 | 5G | IoT | Industrial 4.0

Vice President Product Marketing, Partner
Shenzhen, Guangdong, China
Led 30+ team managing product development and marketing for smart helmets and e-mobility innovations. 📊 Key Achievements: → Defined product strategy and roadmap for smart helmet portfolio → Executed successful crowdfunding campaigns on Kickstarter/Indiegogo → Drove go-to-market expansion across EU, USA, and Asia → Increased brand visibility through PR and trade shows (CES, Eurobike) 💡 Competencies: Product Management | Industrial Design | Crowdfunding | GTM

Founder
3Wearable Technology
Shenzhen, Guangdong, China
Founded a startup focused on edge computing and smart hardware in the wearable technology space. 📊 Key Achievements: → Secured seed funding from Shenzhen Huaqiang Group (Stock: 000062.SZ) → Developed and tested prototypes for intelligent wearables → Filed patents for innovative sensor technology → Established foundation for career in hardware startup ecosystem 💡 Technologies: Edge Computing | Wearables | IoT | Sensor Tech

Project Director, Strategy ODM
Shenzhen, China
Strategic leadership of ODM projects for Alcatel smartphones with global manufacturing partners. 📊 Key Responsibilities: → End-to-end project management: specification to mass production → ODM partner management across China and Taiwan → Product portfolio planning for emerging markets → Cross-functional coordination: R&D, supply chain, quality 📱 Volume: Millions of units annually for global markets 💡 Competencies: ODM Management | Product Lifecycle | Global Sourcing

Head of Terminal Portfolio&Technology
Duesseldorf, Germany
Responsible for product portfolio and technology strategy for Huawei terminals in the European market. 📊 Key Responsibilities: → Portfolio management for mobile phones and data cards → Technology roadmap for European network operators → Key account management: Vodafone → Localization and certification for EU markets 🌍 Markets: Germany, UK, France, Spain, Italy 💡 Competencies: Portfolio Management | Operator Business | EU Market

Manager, International Operator Business
Xiamen, Fujian Province, China
Career progression from hardware engineer to department head for international operator business. 📈 Career Path: → Hardware Engineer: Circuit design, testing, certification → Project Manager: Product development from spec to market launch → Department Head: Led EU operator tenders and key accounts 🌍 Customers: European mobile network operators 💡 Competencies: RF Hardware | Project Management | Business Development

RF Hardware Engineer
Shenzhen, China
Entry-level position in RF hardware development for MRI systems. 🔧 Responsibilities: → Antenna and transmission line design for MRI → Circuit fabrication, testing, and debugging → Signal quality optimization for medical imaging 💡 Foundation for expertise in RF engineering and hardware development
Education

SRI Innovation Program
I participated in the SRI Innovation Program, collaborating with experts on multidisciplinary research and real-world solutions. The program focuses on transforming cutting-edge ideas into impactful technologies, driving innovation for industries and society. It emphasizes teamwork, fast prototyping, and commercialization of breakthrough inventions.
James Xiong's Contact Information
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