Engineering Support for PCB Assembly & Product Development

Applications We Support

We support OEM projects across battery systems, power electronics, and embedded control applications, including:

• Drone Battery System Design & Development

• Robotics & Industrial Battery System Design

• Energy Storage Battery System Design

• E-bike BMS Design & Development

• Custom BMS Design Services

• Multi-cell Lithium Battery Charger Design (3S–16S)

• Battery System Integration & Development

Have a project in development?

No complete design yet? No problem — we can start from your concept.

Whether you're working on a new product, refining an existing design, or preparing for mass production — we can support you from engineering design to turnkey PCB assembly and electronics manufacturing services.

Many projects face challenges when moving from prototype to production:

• Design not optimized for manufacturing (DFM gaps)

• Component sourcing risks, shortages, or EOL issues

• Performance instability or repeated redesign cycles

👉 That’s where we come in.

We help OEM teams turn concepts and designs into production-ready electronic systems — reducing risk, avoiding delays, and ensuring a smooth path to stable mass production.

Even if your design is incomplete, we can still review and provide engineering guidance.

As a Taiwan-based engineering and turnkey PCB assembly partner, we support OEM customers from design to mass production — helping improve manufacturability, reduce supply chain risk, and accelerate time-to-market.

👉 Send us your BOM, Gerber, or product requirements —

our engineering team will review your design, identify potential risks, and provide practical feedback to help you move toward production.

📩 Get an engineering review:

sales@leaderelec.com.tw

All project information is handled with strict confidentiality. NDA is available upon request.

Why work with us as your engineering and manufacturing partner?

• Engineering-driven approach — not just PCB assembly

• Early DFM and component sourcing evaluation before production

• Strong experience in battery systems, BMS design, power electronics, and embedded control

• Seamless transition from design → prototype → turnkey PCB assembly → mass production

We don’t just build boards —

we help OEM teams develop products that are ready for stable, scalable, real-world production.

✅ Engineering Capabilities for PCB Assembly & Product Development

Our engineering capabilities are focused on developing complete electronic systems — not just individual boards.

We specialize in battery and power system development for OEM applications, with a strong emphasis on manufacturability, system integration, and production readiness.

This allows us to support complex, high-reliability electronic products across a wide range of industries.

✓ Our engineering capabilities include:

• Battery Management System (BMS) design

• Multi-cell battery charger design (3S–16S Li-ion / LiPo, including UAV, drone, and high-power applications)

• Power electronics and DC-DC converter design

• IoT hardware development

• Industrial control board design

• Embedded MCU system development

• Display and HMI (Human-Machine Interface) design

We design complete electronic systems — from battery and power systems to embedded control and industrial applications.

Not just individual boards — but fully integrated systems ready for manufacturing and scalable production.

Unlike pure design houses, we develop products with real-world production in mind — reducing redesign cycles and improving long-term reliability.

If your project involves battery systems, power electronics, or embedded control,

we can support both design and manufacturing — from concept to mass production.

👉 Whether you already have a design or just an idea, feel free to share your requirements — our engineering team can help you evaluate, structure, and move your product toward production.

✅ System Design with Manufacturing in Mind

We design complete electronic systems with a strong focus on manufacturability, production readiness, and long-term reliability — not just for concept validation, but for real-world production.

✓ For early-stage projects, we provide engineering development (NRE) to:

• Define and refine system architecture and overall design approach

• Optimize circuit design for performance, stability, and manufacturability

• Identify BOM risks and develop sourcing strategies

• Prepare the design for manufacturing and testing (DFM / DFT)

Unlike traditional design services, our engineering work is closely aligned with actual production conditions — helping reduce redesign cycles and avoid costly delays later.

Once the design is validated, we seamlessly support prototype builds and transition into mass production through our turnkey PCB assembly and EMS services.

This integrated approach ensures a smooth path from engineering to stable, scalable manufacturing — reducing development risk and accelerating time-to-market.

If your design is still in development, or not yet fully defined, our engineering team can work with you to structure it into a complete, production-ready system.

👉 Design + Manufacturing — from concept to mass production, in one place.

✅ Design → Manufacturing

Our engineering services are tightly integrated with turnkey PCB assembly and EMS manufacturing — enabling a seamless path from concept and design to stable, scalable production.

From system architecture and circuit design to PCB layout, prototype builds, and volume production, every step is aligned to ensure your product is not only functional — but truly ready for real-world manufacturing.

🚨 Common challenges we help you avoid:

• BOM risks and unstable component supply

• Power instability, EMI, and performance issues

• Battery safety and system reliability concerns

• Designs not optimized for manufacturing (DFM gaps)

👉 These issues are best identified and resolved early in the design stage — before they turn into costly delays or production failures.

Unlike traditional PCB assembly services, we support both design and manufacturing — helping OEM customers build complete electronic systems that are manufacturable, scalable, and ready for mass production.

If your design is still in development, or not yet fully defined, our engineering team can work with you to identify risks early, refine your system, and prepare it for production.

👉 Whether you have a concept, partial design, or completed files — feel free to share your requirements.

✅ Development Process

Typical Product Development & Manufacturing Flow

We support a structured, end-to-end process — from initial concept to stable mass production —

ensuring your product is not only functional, but fully prepared for real-world manufacturing.

Concept & Requirements

↓

System Architecture & Engineering Design

↓

Design for Manufacturing / Design for Test (DFM / DFT) Review

↓

Prototype Build & Validation

↓

NPI (New Product Introduction) & Pilot Run

↓

Mass Production

This integrated process ensures your product is properly validated, optimized for manufacturing, and ready for stable, scalable production.

👉 From battery → power → control → connectivity → interface

👉 Complete product development and manufacturing — in one place

For early-stage projects, we also provide engineering development (NRE) to help define and optimize your system — with costs that can be credited toward future production.

👉 Whether your project is at concept stage, in development, or already designed — we can support you at any stage.

👉 Start with an engineering review, prototype build, or design consultation to move your project forward with confidence.

📩 Feel free to share your idea, BOM, or requirements

sales@leaderelec.com.tw

Learn more about our Prototype PCB Assembly services.

✅ Engineering Development (NRE)

For early-stage product development, we provide a structured engineering development package (NRE) to help transform your concept into a complete, production-ready system.

This is not just design support — it is a focused engineering process to define, refine, and prepare your product for real-world manufacturing.

Our NRE services include:

• System architecture definition and design strategy

• Circuit design optimization for performance, stability, and manufacturability

• BOM risk analysis and component sourcing strategy

• Design for Manufacturing (DFM) and Design for Test (DFT) preparation

These activities ensure your design is technically sound, production-ready, and optimized for efficient PCB assembly and scalable manufacturing.

Unlike standalone design services, our NRE work is closely aligned with our PCB assembly and EMS capabilities — enabling a seamless transition from engineering to mass production.

The NRE cost can be credited toward future PCB assembly production, reducing upfront risk while ensuring your product is properly developed for volume manufacturing.

👉 Whether you have an initial concept, partial design, or existing files, our engineering team can help you structure and refine your product for production.

📩 Feel free to share your idea, BOM, or requirements

sales@leaderelec.com.tw

👉 Early engineering involvement helps identify issues sooner, reduce redesign cycles, and accelerate time-to-market.

✅ What We Help You Solve

Many designs perform well during prototyping — but encounter unexpected challenges when transitioning to real production.

These issues often lead to delays, redesign cycles, and increased costs.

We help OEM teams identify and resolve critical risks early in the development stage, including:

• Designs not fully optimized for manufacturing (DFM gaps)

• Component shortages and unstable supply chains

• Power instability, EMI, and performance-related issues

• Repeated redesign cycles causing delays and increased cost

• Misalignment between engineering and manufacturing

👉 These challenges are much easier — and less costly — to solve during the design stage, before production begins.

By addressing these risks early, we help reduce development uncertainty, avoid costly delays, and ensure a smooth, scalable transition into mass production.

If your design is still in development, or not yet fully validated, our engineering team can help you identify potential risks early and prepare your product for reliable production.

👉 Whether you are working on a new concept or refining an existing design, we can support you in turning it into a production-ready product.

✅ Our engineering capabilities cover complete electronic system development — from battery and power systems to embedded control and industrial applications.

👉 Battery Management System (BMS) Design for OEM Applications

We design Battery Management Systems (BMS) for multi-cell lithium battery applications — including UAV, energy storage, robotics, and industrial systems.

Whether you are starting from a concept or already have a partial design, our engineering team can support you in developing a complete, production-ready battery system.

Our BMS solutions focus on safety, system reliability, and manufacturability — ensuring a smooth transition from design validation to stable mass production.

We support projects across all development stages:

• Concept definition and system architecture

• BMS circuit design and protection strategy

• Prototype validation and testing

• Transition into PCB assembly and mass production

Unlike standalone design services, our BMS development is closely integrated with real manufacturing conditions — helping reduce redesign risks and ensure long-term production stability.

👉 If your project involves battery systems, feel free to share your requirements — we can help you design and build a complete solution.

👉 Multi-Cell Battery Charger Design (3S–16S)

We develop multi-cell lithium battery charger solutions (3S–16S) for UAV, industrial equipment, energy storage, and high-power applications.

Whether you are starting from a concept or already have a partial design, our engineering team can support you in developing a complete, production-ready charging system.

Our charger designs focus on charging performance, efficiency, thermal management, and system integration — ensuring stable operation and reliable transition into mass production.

We support projects across all development stages:

• Charger architecture definition and system design

• CC/CV charging control and power stage design

• Thermal and efficiency optimization

• Interface design and system integration (BMS / MCU / CAN)

• Prototype validation and transition into PCB assembly and volume production

Key parameters such as voltage range, charging current, and system interface can be fully customized based on your application requirements.

Unlike standalone design services, our charger development is closely aligned with real manufacturing conditions — helping reduce redesign risks and ensure stable production.

👉 If your project involves battery charging systems, feel free to share your requirements — we can help you design and build a complete solution.

👉 Power Electronics & DC-DC Converter Design

We design power electronics and DC-DC converter solutions for applications such as UAV systems, energy storage, industrial equipment, and embedded platforms.

Whether you are starting from a concept or already have a partial design, our engineering team can support you in developing a complete, production-ready power system.

Our designs focus on efficiency, thermal performance, system stability, and long-term reliability — with full consideration for real-world operating conditions and manufacturability.

We support projects across all development stages:

• Power architecture definition and system design

• DC-DC converter topology selection and optimization

• Thermal management and efficiency improvement

• Protection design and system stability considerations

• Integration with BMS, MCU, and overall system control

• Prototype validation and transition into PCB assembly and volume production

We support custom voltage, current, and power requirements based on your system specifications.

Unlike standalone design services, our power electronics development is closely aligned with actual production conditions — helping reduce redesign risks and ensure stable mass production.

👉 If your project involves power systems or DC-DC conversion, feel free to share your requirements — we can help you design and build a complete solution.

👉 IoT Hardware Development

We develop IoT hardware systems for data acquisition, communication, and remote monitoring across industrial and embedded applications.

Whether you are starting from a concept or already have a partial design, our engineering team can support you in developing a complete, production-ready IoT solution.

Our solutions focus on system integration, scalability, and reliable operation in real-world environments — ensuring your product performs consistently beyond the lab.

We support projects across all development stages:

• IoT system architecture and hardware design

• Sensor integration and data acquisition

• Communication interfaces (Wi-Fi / Bluetooth / LoRa / Cellular)

• Embedded MCU development and system control

• PCB design optimized for manufacturability

• Prototype validation and transition into PCB assembly and volume production

Communication interfaces and connectivity options can be fully customized based on your application requirements.

Unlike standalone design services, our IoT development is closely aligned with manufacturing — helping reduce redesign risks and ensure a smooth transition into mass production.

👉 If your project involves IoT hardware or connected systems, feel free to share your requirements — we can help you design and build a complete solution.

👉 Industrial Control Board Design

We design industrial control boards for automation systems, machinery, and high-reliability applications.

Whether you are starting from a concept or already have a partial design, our engineering team can support you in developing a complete, production-ready control system.

Our designs emphasize system stability, noise immunity (EMI/EMC), and long-term reliability — ensuring consistent performance in demanding real-world environments.

We support projects across all development stages:

• System architecture and control board design

• MCU-based control system development

• Signal integrity and EMI/EMC design optimization

• Power management and protection design

• Interface integration (sensors, communication, industrial protocols)

• PCB design optimized for manufacturability

• Prototype validation and transition into PCB assembly and volume production

We support customized control architectures and system integration based on your application requirements.

Unlike standalone design services, our industrial control development is closely aligned with manufacturing — helping reduce redesign risks and ensure stable, long-term production.

👉 If your project involves industrial control systems or automation hardware, feel free to share your requirements — we can help you design and build a complete solution.

👉 Embedded MCU System Development & Firmware Engineering

We develop embedded MCU systems and firmware for electronic products — enabling reliable control, system integration, and intelligent operation across battery systems, power electronics, IoT devices, and industrial applications.

Whether you are starting from a concept or already have a partial design, our engineering team can support you in developing a complete, production-ready embedded system.

Our development focuses on system stability, real-time control, efficiency, and scalability — ensuring smooth operation from prototype validation to stable mass production.

We support projects across all development stages:

• Embedded system architecture and MCU selection

• Firmware development for control logic and system behavior

• Communication protocols (UART / CAN / I2C / SPI / BLE / etc.)

• Integration with BMS, power systems, sensors, and external devices

• System debugging, validation, and performance optimization

• Coordination with PCB design for manufacturability and reliability

• Transition from prototype to PCB assembly and volume production

Unlike standalone firmware development, our embedded system design is closely aligned with hardware design and manufacturing — helping ensure system-level stability and reducing integration risks.

👉 If your project involves embedded control, firmware development, or system integration, feel free to share your requirements — we can help you design and build a complete solution.

👉 Display & HMI (Human-Machine Interface) Design & Integration

We design display and HMI systems for user interaction, real-time monitoring, and system control across industrial, embedded, and electronic applications.

Whether you are starting from a concept or already have a partial design, our engineering team can support you in developing a complete, production-ready HMI and system solution.

Our solutions focus on usability, system reliability, and seamless integration into complete electronic systems — ensuring stable operation in real-world environments.

We support projects across all development stages:

• HMI system architecture and interface design

• Display module selection and integration (LCD / TFT / OLED / etc.)

• Embedded control and firmware integration

• User interface and system interaction design

• Integration with MCU, sensors, and backend systems

• PCB design optimized for manufacturability

• Prototype validation and transition into PCB assembly and volume production

Unlike standalone design services, our HMI development is closely aligned with hardware design and manufacturing — ensuring system compatibility, reducing integration risks, and enabling a smooth transition into mass production.

We don’t just design individual boards — we support the development of complete electronic systems.

All designs are developed with PCB assembly, component sourcing, and manufacturing considerations in mind — helping ensure a seamless path from engineering to stable, scalable production.

👉 If your project involves display systems, user interfaces, or integrated control systems, feel free to share your requirements — we can help you design and build a complete solution.

🔷 Turnkey PCB Assembly & EMS Capabilities

As a turnkey PCB assembly and EMS partner, we provide end-to-end support — from engineering and component sourcing to PCB assembly and final production.

Unlike traditional manufacturers, our services are closely integrated with product design and engineering — enabling a seamless transition from concept and development into stable, scalable mass production.

Our capabilities include:

• Component sourcing and BOM management (including risk control and alternative sourcing strategies)

• PCB fabrication and assembly (SMT & THT)

• AOI, X-ray inspection, and functional testing

• NPI (New Product Introduction) and volume production

By integrating engineering, sourcing, and manufacturing, we help simplify your supply chain, reduce production risks, and improve overall product reliability.

👉 Whether your project is already designed or still in development, we can support you from early engineering stages through to full production.

👉 Work with a partner who understands both design and manufacturing — not just assembly.

Learn more about our Taiwan PCB Assembly services.

✅ What You Can Send

To get started, you can share any of the following information — even if your project is still in an early stage:

• Product specifications or application requirements

• Block diagram or system concept

• Bill of Materials (BOM), if available

• PCB design files (Gerber), if available

👉 Even if your design is not finalized, our engineering team can support early-stage evaluation, help identify potential risks, and guide your product toward a manufacturable solution.

👉 Whether you have a concept, partial design, or complete files — feel free to reach out and discuss your project with us.

✅ Have a project in development?

We support a wide range of electronic product development projects, including:

• Battery systems (BMS + charger)

• UAV / drone power systems

• Industrial and embedded control systems

• Custom electronics for OEM products

👉 If your project involves power, control, or system integration — we can support both design and manufacturing in one place.

To get started, simply share any of the following:

• Product specifications or application requirements

• Block diagram or system concept

• Bill of Materials (BOM), if available

• PCB design files (Gerber), if available

👉 Even if your design is not finalized, our engineering team can help you evaluate your concept, identify risks early, and prepare your product for production.

Our team will review your project and provide recommendations for prototype builds, PCB assembly, and volume manufacturing.

📩 sales@leaderelec.com.tw

All project information is handled with strict confidentiality, and an NDA can be arranged upon request.

👉 We typically respond within 24–48 hours.

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