OEM Li Ion Battery Pack Supplier & Exporters

Engineered Power Systems, High-Density Custom Battery Packs, and Integrated Connectors for Global Drone, Data Center, and Industrial Applications.

Advanced Engineering of Custom Li-Ion Battery Packs

As industrial and commercial landscapes transition toward high-efficiency electrification, the demand for customizable Lithium-ion battery packs has surged exponentially. The role of an OEM Li-ion battery pack supplier has evolved from basic assembly to providing vertically integrated, highly optimized thermodynamic and electro-chemical designs.

A high-performance battery system is not merely a combination of cells; it is a complex grid of chemical cell optimization, robust Battery Management System (BMS) logic, thermal dissipation materials, and heavy-duty interconnects. We balance voltage matching, internal resistance tolerance, and discharge C-rates to align with extreme operational environments.

Our design philosophy focuses on maximizing energy density while guaranteeing passive safety structures to eliminate thermal runaway risks. By utilizing state-of-the-art materials research and automated manufacturing, we deliver stable power solutions tailored for high-drain applications such as unmanned aerial vehicles (UAVs), electric mobility, and grid energy storage systems.

Dynamic Technical Specifications

  • Cell Chemistry Formations: Optimized NMC (Nickel Manganese Cobalt) and LFP (Lithium Iron Phosphate) cell variations.
  • Smart BMS Integration: CANbus, SMBus, and I2C telemetry communications tracking real-time State-of-Charge (SoC) and State-of-Health (SoH).
  • Cell Matching Variance: Internal resistance tolerance kept under ≤ 2mΩ; voltage deviation ≤ 5mV during sorting.
  • Environmental Sealing: Structural enclosure designs meeting IP65, IP67, or fully hermetic IP68 specifications.
Dynalink Manufacturing Facility

Company Profile

Dynalink Electronic Technology Co., Ltd (DL), established in 2007, currently has a workforce of over 800 employees, among which more than 200 are technical staff. It is a technology-driven design and manufacturing company specializing in power supplies, energy storage capacitors, and connectors.

With continuous investment in research and development and strong innovation capabilities, the company has built a complete industrial chain encompassing material research and development, product design, and precision manufacturing. Thanks to the advantages of high reliability and excellent performance, its products are widely used in key fields such as aviation, aerospace, shipping, railways, new energy vehicles, the medical industry, drones, and robots, providing customized solutions for customers.

Our operation strictly complies with international standards, backed by internationally recognized management and process audits:

ISO 14001 Cert

GB/T24001-2016/ISO14001:2015 Environmental Management System

ISO 9001 Cert

GB/T19001-2016/ISO9001:2015 Quality Management System

ISO 45001 Cert

GB/T45001-2020/ISO45001:2018 Occupational Health and Safety Management System

Why Source from China? Supply Chain Dominance

Strategic positioning in the hub of battery materials, precision engineering, and global export infrastructure.

Raw Material Integration

Direct access to primary mineral reserves and chemical processing nodes (Lithium, Cobalt, Nickel, and high-purity Anode Graphite) guarantees cost stability and supply chain continuity.

Advanced Automation

High-speed automated cell sorting, ultrasonic wire bonding, and integrated structural laser welding eliminate human error and maintain assembly precision across high-volume production lines.

Global Port Infrastructure

Proximity to major logistics hubs allows for seamless UN38.3 regulated dangerous goods transportation. Smooth customs clearing and reliable sea/air freight systems keep your schedules on track.

2007
Established Year
800+
Global Workers
200+
R&D Engineers
100%
Quality Checked

Why Choose DL (Dynalink)

Comprehensive customized development and reliable support tailored to diverse industry requirements.

Field of Drones

In the field of drones, our products ensure efficient battery charging and discharging and the stable operation of the power system.

For Data Centers

For data centers, high-speed connectors and stable power supplies ensure low-loss transmission of massive amounts of data and the reliable operation of equipment.

Industrial Application

In industrial automation scenarios, connectors with high protection performance and precision power supplies provide solid support for equipment operating in complex environments.

Requirement Response

Relying on our self-developed intelligent design platform, we can quickly respond to customer needs and provide integrated solutions from components to systems.

Technological Innovation

In the future, DL will continue to deeply engage in technological innovation, promote industrial upgrading, and integrate advanced power supply technologies into every corner of life.

What We Do

Taking quality as our shield, we continuously optimize processes and standards to forge industry benchmark products.

  • Corporate Culture

    The corporate culture is the soul of the company's development. We take "empowering life with technology and creating a sustainable future" as our mission, aim to "become a leading provider of integrated system power supply solutions in the industry" as our vision, and practice the values of "integrity, innovation, collaboration, and win-win results".

  • Team Climate

    We create a positive and united working atmosphere, attach great importance to the growth and development of employees, and provide them with broad career advancement opportunities and a complete training system.

  • Self Break

    Focusing on the fields of batteries, capacitors, and connectors, we use innovation as our spear, making every effort to overcome the technical bottlenecks of solid-state batteries, break through the upper limit of capacitor energy density, and develop high-precision and low-loss connectors.

Precision Assembly Process

Localization Support & Global Safety Compliance

Overcoming regulatory hurdles and ensuring technical alignment for international markets.

Regulatory Testing & Certifications

Navigating international compliance is essential when deploying Li-ion packs globally. Our products are fully tested and ready to pass strict international requirements, including:

  • UN38.3: Safety criteria for air and sea transport.
  • IEC 62133: International requirements for portable battery cells.
  • UL 1642 & UL 2054: Standard safety rules for American markets.
  • CE / RoHS / WEEE: Environmental standards for European distributions.

Localized Integration Engineering

We collaborate closely with local engineering teams to provide seamless mechanical integration and system commissioning. This includes:

  • Form-Factor Adaptations: Tailoring battery enclosures to match existing machine footprints.
  • BMS Code Calibration: Aligning telemetry values to match existing system protocols.
  • Local After-Sales: Fast assistance and analysis to minimize system downtime.

Dangerous Goods (DG) Logistics

Exporting Class 9 hazardous materials requires strict compliance. Our logistics department manages all shipping configurations:

  • MSDS & UN Packaging: Certified containers prevent internal short circuits.
  • Customs Clearance: Full documentation keeps shipments moving smoothly.
  • Global Logistics: Sea, air, and ground shipping networks.

Our Quality Certificates

Compliance verified by independent international testing and certification standards.

Certificate 1
Certificate 2
Certificate 3
Certificate 4
Certificate 5
Certificate 6
Certificate 7
Certificate 8
Certificate 9

Technical & Compliance Q&A

Answers to common technical, logistics, and engineering questions from global procurement teams.

Q1: How do you ensure cell consistency in large-scale OEM Li-ion battery pack production?

We use a strict multi-tier sorting system before assembly. Every single cell goes through automated testing to measure capacity, open-circuit voltage (OCV), and internal resistance (ACIR/DCIR). We pair cells that fall within extremely close limits (voltage deviation ≤ 5mV and resistance variance ≤ 2mΩ) to maximize the pack's lifespan and prevent premature cell degradation.

Q2: What communication protocols do your custom Smart BMS support?

Our Battery Management Systems support multiple standard industrial interfaces, including CANbus (CAN2.0B), SMBus, I2C, and RS485/Modbus. These protocols allow the pack to transmit real-time data, such as individual cell voltages, pack temperatures, State-of-Charge (SoC), State-of-Health (SoH), and fault logs, to the host controller.

Q3: How do you address thermal management in high-drain battery applications?

We design customized cooling configurations depending on the application's discharge profile. For high-drain devices, we use flame-retardant phase-change materials (PCM), thermal conductive pads, and calculated spacing to keep heat away from adjacent cells. We also build in NTC thermistors to monitor hot spots and trigger automatic BMS shut-offs if temperatures exceed safe limits.

Q4: What certifications are provided for global maritime and air freight?

Every custom battery pack is supplied with a comprehensive UN38.3 test report and an updated Material Safety Data Sheet (MSDS). These documents confirm that our battery designs have passed standard drop, thermal, vibration, short circuit, and impact tests, ensuring they can be shipped safely as Class 9 Dangerous Goods.

Q5: Can you design custom battery packs to fit existing compartments?

Yes. We specialize in form-factor adaptation. Our mechanical and electrical engineering teams design custom enclosures using sheet metal, CNC plastics, or custom injection-molded casings to fit your physical dimensions, vibration tolerances, and environmental requirements.