ODM Lithium Polymer Battery Manufacturer & Suppliers

Advanced Custom Power Solutions & Micro-Connectors Engineered for Aerospace, UAVs, and Industrial Automation

Dynalink Production Line

Company Profile

Established in 2007, Dynalink Electronic Technology Co., Ltd (DL) has grown into a leading technology-driven design and manufacturing enterprise. Supported by a workforce of over 800 employees, including more than 200 specialized technical and engineering staff, we specialize in high-reliability power supplies, energy storage systems, capacitors, and micro-interconnect solutions.

By integrating foundational material research, advanced product design, and 4.0 precision manufacturing, we control quality from raw chemical compounds to finished electronic assemblies. Our custom high-density lithium polymer cell formulations are widely implemented across safety-critical fields including aerospace, railways, new energy vehicles, high-rate drones, and surgical robotics.

ISO 14001 ISO 14001:2015 Environmental System
ISO 9001 ISO 9001:2015 Quality Management
ISO 45001 ISO 45001:2018 Health & Safety

Why Industry Leaders Select Dynalink

From custom battery chemistries to advanced high-speed connectors, we leverage vertically integrated technical systems to solve core engineering constraints.

High-Rate UAV Flight Packs

Providing up to 75C continuous discharge cycles for heavy-lift industrial drones and unmanned aerial systems, securing flight stability and thermal control.

Data Center Backup Systems

Integrating low-loss high-speed connectors and high-reliability batteries to guarantee zero-latency power transitions in hyperscale cloud environments.

Rugged Industrial Applications

Designing vibration-proof housing, anti-corrosive pin connectors, and wide-temperature polymer cells that perform reliably from -40°C to +75°C.

Rapid Collaborative Customization

Our proprietary, AI-driven parameter platform matches battery pack dimensions, C-rate, and interconnect parameters quickly, delivering fully functional prototypes in weeks.

Technological Innovation Core

Active investment in solid-state polymer research, silicon-graphene composite anodes, and ultra-miniaturized interconnects enables us to keep your products ahead of the market curves.

Technological Roadmap & Future Outlook

Strategic directions in battery chemistry and material sciences pushing the limits of energy density and operational safety.

>320 Wh/kg
Active Energy Density Goal
0.05%
Monthly Self-Discharge Rate
2000+
80% DoD Cycles Lifespan
-40~85°C
Operational Envelope
Phase 1: High-Voltage LCO & High-Nickel NMC (Current Production)

Optimizing active material loading and using atomic layer deposition (ALD) coatings to operate cells reliably up to 4.45V. This increases volumetric density to 750 Wh/L, serving thin-profile portable electronics and commercial medical devices.

Phase 2: Silicon-Anode Integration & Graphene Conductive Matrix (Near Horizon)

Introducing micro-silicon composite anodes coupled with elastic binders. This compensates for volume expansion during lithiation, offering up to 20% energy capacity increases over standard graphite anodes without swelling.

Phase 3: Semi-Solid and Solid-State Polymer Electrolytes (Future Integration)

Transitioning from liquid organic electrolytes to polymer matrix gel membranes and solid state ceramics. This dramatically improves safety by eliminating flammable solvents, preventing dendrite punctures, and tolerating extreme mechanical impacts.

Advanced Engineering and Scientific Focus

We combine strict manufacturing standards with innovative materials to deliver robust, high-performance battery and connector solutions.

Empowering Modern Industry

Our mission is to supply robust power and connection architectures. We design integrated power sub-systems that simplify your electrical engineering process.

Collaborative Engineering Teams

Our R&D structure fosters seamless collaboration between electrochemists, mechanical designers, and electrical validation engineers, ensuring rapid support for challenging specifications.

Targeting Core Performance Bottlenecks

We work to improve battery safe operating limits, high-frequency signal integrity in micro-connectors, and energy density in advanced film capacitors.

Dynalink Quality Testing Laboratory

Macro-Industry Integrated Energy Solutions

Providing customized battery assemblies that meet the stringent performance and regulatory requirements of diverse target markets.

Aerospace & Defense

Lightweight pouch form factors coupled with high gravimetric energy density to reduce payload weight in telemetry devices, tactical communications, and drones.

  • High atmospheric pressure tolerance
  • Rigid hermetic metal-plastic sealing
  • Redundant thermistor integration

Surgical & Implanted Medical Systems

Ultra-reliable cells designed for surgical tools, portable oxygen concentrators, and diagnostic monitors requiring biocompatible safety.

  • ISO 13485 alignment protocols
  • Low self-discharge shelf stability
  • Leak-proof gel-polymer technology

New Energy Vehicles & AGVs

High-capacity modular battery arrays equipped with active balancing CAN-bus BMS for automated guided vehicles (AGV) and e-mobility.

  • Robust vibration resistance
  • Rapid charging (up to 3C-5C charging rate)
  • Integrated fire suppression technology

China Factory 4.0: Automated Consistency & Supply Chain Resilience

Battery pack consistency is essential for safety and service life. At Dynalink, our production facilities employ high levels of automation and end-to-end trace control systems.

Our mixing, coating, and slitting procedures are monitored by real-time closed-loop optical detectors. This maintains active thickness tolerances within ±1.5μm, preventing localized current concentrations and minimizing thermal hot spots during operation.

We operate fully dry rooms with atmospheric dewpoints maintained at -45°C. This keeps moisture content in cells below 150 ppm, limiting internal degradation, gas generation, and cycle fade over the lifetime of the battery.

Every single cell runs through a comprehensive 100% capacity matching and internal resistance profiling stage. Testing data is archived in our MES, enabling precise cell matching for multi-cell pack configurations.

Quality Assurance Controls

100% X-Ray Scanning

Verifies internal electrode alignment and checks tab welding integrity to prevent internal short circuits.

HTA & LTA Aging Protocols

High-temperature and low-temperature storage aging processes help identify micro-leakage and minor voltage drops early.

Automated Helium Leak Detection

Helium leak detection is utilized to confirm hermetic seal integrity, preventing moisture ingress and electrolyte evaporation.

Standardized Custom Design and Procurement Workflow

Our standard engineering flow minimizes project risks, moving from initial concept verification through to final mass production.

01

Technical Intake

Analysis of target operating voltage, continuous and peak currents, envelope limits, connector types, and temperature range requirements.

02

Prototype Design

Creating structural 3D CAD models, designing cell layouts, selecting BMS protection chips, and configuring micro-connectors.

03

Testing & Validation

Completing environmental chamber sweeps, vibration tests, shock testing, short-circuit validation, and thermal run-up evaluation.

04

Mass Production

Executing scaling runs via automated pilot lines, locking tooling fixtures, setting up standard quality control plans, and shipping final products.

Compliance Certification & Logistics

Transporting and deploying lithium-ion batteries requires strict adherence to international safety rules. Dynalink batteries undergo testing and certification to comply with key global standards.

Our product lines carry certifications including UL 1642 (cell safety), UL 2054 (pack safety), IEC 62133-2, CE, KC, and PSE. This helps speed up the approval process for your final equipment in major markets.

For shipping, we verify each batch with UN38.3 test reports and supply updated SDS documentation. We work with certified hazardous materials forwarders to manage smooth shipping transitions across Class 9 cargo channels.

UL 1642 / UL 2054

Validates robust cell design against physical impact, overcharging, and thermal exposure.

IEC 62133-2 / CB

Ensures compliance with international portable product standards in Europe and Asia.

UN38.3 & SDS

Confirms safety during air and sea transport under vibration, drop, and pressure tests.

RoHS / REACH

Ensures the elimination of restricted heavy metals and hazardous processing chemicals.

Recognized Quality Certifications

Our factories and testing procedures are audited to comply with major international quality and environmental management standards.

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

Engineering & Procurement FAQ

Detailed answers to technical and operational questions concerning custom lithium polymer battery design and supply.

What are the mechanical and design advantages of choosing Lithium Polymer (pouch) cells over cylindrical Lithium-Ion cells?
Lithium polymer (pouch) cells replace rigid metal containers with lightweight aluminum-laminated film packaging. This reduces overall weight, improves gravimetric energy density, and allows for custom cell shapes and thicknesses (down to 1.0 mm). Additionally, pouch cells are less prone to explosion under abuse conditions; they tend to swell or vent along the laminated seam rather than build up pressure like cylindrical cells.
How does Dynalink guarantee high discharge C-rates for unmanned aerial systems (UAVs) without thermal overheating?
We use high-conductivity carbon nanotube (CNT) additives in the electrodes and custom tab designs with copper/nickel current collectors. This lowers internal resistance (IR) and reduces heat generation. Together with high-porosity polyolefin separators and high-C electrochemistry, our UAV packs support up to 75C discharge rates with manageable thermal load.
Can you customize dimensions and electrical characteristics for small-batch applications?
Yes. Our intelligent design platform allows us to customize battery shapes, capacities, C-rates, and connector configurations. We handle low-volume, high-mix orders for specialized industrial, research, and medical projects, supported by a structured development process.
What protective systems are integrated into Dynalink's custom battery packs?
Every battery pack is paired with a custom BMS designed for the application. Our BMS designs include protection against over-voltage, under-voltage, over-current, and short circuits, as well as NTC thermistor monitoring for temperature control. For complex systems, we integrate active balancing, State-of-Charge (SoC) estimation, and communication options (I2C, SMBus, CAN-bus).
What is the typical engineering timeline for customized battery prototypes?
For standard pouch configurations, we typically complete 3D modeling and engineering reviews within 5 to 7 working days. Once approved, prototypes are manufactured, safety-tested, and shipped within 3 to 4 weeks. Custom tooling for unique cell designs may require an additional 2 to 3 weeks.
How does Dynalink handle compliance and safe international shipping for battery systems?
All our batteries undergo UN38.3 testing to verify they are safe for transport. We package cells in compliance with IATA/IMDG dangerous goods shipping rules and provide complete Safety Data Sheets (SDS). We work with certified freight forwarders to manage smooth shipping transitions across Class 9 cargo channels.