Factory Overview

We are a trusted battery company and factory with many years of experience in the production and manufacturing of lithium battery. Our company was originally founded in Huizhou, Guangdong, and after several years of development, established its own modern plant in Shenzhen, Guangdong. Over the decades, our manufacturing facilities have expanded further, and we now operate a top-tier 2,000 square meter facility in Dongguan. Over the years, we have gained deep expertise in the li-ion battery industry and offer a comprehensive range of products, covering almost every type of battery cell and battery pack available on the market, from standard batteries to advanced custom solutions. Our commitment to quality, safety, and innovation allows us to provide tailored battery solutions that meet the unique requirements of clients across diverse industries worldwide. Explore our full range of batteries to find the ideal solution for your applications. Founded in 2006, we have grown from a small workshop into a professional battery company with modern facilities. Our mission is to deliver reliable, high-performance, and superior battery products that power a wide range of applications. Certified to ISO9001, CE, UN38.3, UL, KC, CB, BIS, and other international standards, we guarantee that every battery leaving our factory meets the highest quality requirements.

Products and Services

Our product range covers nearly the entire spectrum of the lithium-ion battery industry. These batteries are widely used across a variety of electronic products in multiple industries. In such a specialized accessory manufacturer, producing reliable batteries that perfectly fit each application requires extensive factory experience. Different sectors have diverse and sometimes highly specific requirements, ranging from energy density and discharge rate to size, shape, and safety standards. With many years of accumulated expertise, we are confident in our ability to customize and provide professional ODM and OEM services. We offer customized battery pack and battery solutions that ensure compatibility, reliability, and optimal performance for every application, whether for consumer electronics, industrial equipment, or high-performance devices.

Professional Manufacturer Equipment 

Product quality has always been our top priority over years of continuous development. To maintain and enhance this standard, we consistently invest in the latest professional equipment, updating machines at the fastest pace possible. These state-of-the-art manufacture instruments allow us to guarantee precision, efficiency, and reliability in every stage of battery production, from cell testing to final battery pack assembly. Below is an overview of the cutting-edge equipment that powers our manufacturing process and ensures the consistent quality of our superior batteries:

• 10-Bin Cylindrical Lithium Battery Sorting Machine – Ensures precise matching of battery cell voltage and internal resistance, guaranteeing uniform performance and safety in lithium battery packs.

• Precision Laser Spot Welder – Provides high-strength, consistent welds for battery tabs and modules, reducing resistance and ensuring long-term reliability.

• High-Precision Internal Resistance Tester – Measures DCIR with micro-ohm accuracy, identifying out-of-spec cells to prevent pack imbalance and safety hazards.

• 512-Channel Battery Cell Capacity Cabinet – Simultaneously charges and discharges hundreds of cells, accurately verifying capacity and detecting defective or weak batteries.

• 100V 20A Battery Pack Capacity Cabinet – Tests complete battery packs under controlled conditions, validating overall performance and energy delivery.

• Fully Automated Polymer Lithium Battery Assembly Line – Handles precise layering, welding, and assembly of polymer cells, ensuring repeatable quality for high-volume manufacturing.

• Thermal Chambers and Aging Test Benches – Simulate real-world operating conditions to verify temperature stability, cycle life, and long-term performance.

• Advanced Insulation and Safety Testing Equipment – Checks insulation, short-circuit protection, and overall electrical safety, preventing potential hazards before shipment.

• Automated Module Assembly Systems – Streamlines cell-to-module integration, enhancing production efficiency while maintaining high precision and consistency.

• High-Speed Laser Welding Stations – Provides rapid, accurate welding for complex battery pack configurations, minimizing heat damage and mechanical stress.

Why Choose Our Factory

• Consistent Commitment to Quality – We prioritize superior quality above all else. From raw materials to final battery packs, every step of the production process is meticulously controlled to ensure uniform performance, safety, and longevity.

• Nearly 20 Years of Professional Experience – With close to two decades in the lithium-ion battery industry, we have developed extensive expertise in design, manufacturing, and application.

• Advanced Professional Equipment – Our leading equipment includes 10-bin cylindrical battery sorting machines, automated welding systems, high-precision internal resistance testers, and multi-channel capacity testing cabinets, ensuring reliable and high-quality batteries.

• Decades of Overseas Sales Experience – We understand global markets and client expectations, having partnered with distributors and brands across multiple continents.

• Strict Testing Standards – Every battery cell undergoes rigorous testing for capacity, internal resistance, cycle life, self-discharge, and safety.

• Exceptional After-Sales Service – Proactive support, technical guidance, warranty assistance, and replacement services.

• Customized Solutions for Diverse Applications – We provide flexible custom battery solutions, ODM and OEM services, for consumer devices to industrial packs.

• Innovation and Continuous Improvement – Investing in research and development to improve energy density, safety, and cycle life, keeping our battery products at the cutting edge of the lithium battery industry.

Get in Touch With us

Contact us today to discuss your custom battery requirements or request a quote for our full range of battery solutions. Let Whalebattery be your reliable partner in powering innovation and success.